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Ethanol - Wikipedia

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class="vector-toc-numb">2.3</span> <span>Energy source</span> </div> </a> <ul id="toc-Energy_source-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Other_uses" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Other_uses"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>Other uses</span> </div> </a> <ul id="toc-Other_uses-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Chemistry" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Chemistry"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Chemistry</span> </div> </a> <button aria-controls="toc-Chemistry-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Chemistry subsection</span> </button> <ul id="toc-Chemistry-sublist" class="vector-toc-list"> <li id="toc-Physical_properties" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Physical_properties"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Physical properties</span> </div> </a> <ul id="toc-Physical_properties-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Solvent_properties" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Solvent_properties"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Solvent properties</span> </div> </a> <ul id="toc-Solvent_properties-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Azeotrope_with_water" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Azeotrope_with_water"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Azeotrope with water</span> </div> </a> <ul id="toc-Azeotrope_with_water-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Flammability" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Flammability"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>Flammability</span> </div> </a> <ul id="toc-Flammability-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Natural_occurrence" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Natural_occurrence"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Natural occurrence</span> </div> </a> <ul id="toc-Natural_occurrence-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Production" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Production"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Production</span> </div> </a> <button aria-controls="toc-Production-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Production subsection</span> </button> <ul id="toc-Production-sublist" class="vector-toc-list"> <li id="toc-Sources" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Sources"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.1</span> <span>Sources</span> </div> </a> <ul id="toc-Sources-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Hydration" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Hydration"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.2</span> <span>Hydration</span> </div> </a> <ul id="toc-Hydration-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Fermentation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Fermentation"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.3</span> <span>Fermentation</span> </div> </a> <ul id="toc-Fermentation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Testing" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Testing"> <div class="vector-toc-text"> <span class="vector-toc-numb">5.4</span> <span>Testing</span> </div> </a> <ul id="toc-Testing-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Purification" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Purification"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Purification</span> </div> </a> <button aria-controls="toc-Purification-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Purification subsection</span> </button> <ul id="toc-Purification-sublist" class="vector-toc-list"> <li id="toc-Grades_of_ethanol" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Grades_of_ethanol"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Grades of ethanol</span> </div> </a> <ul id="toc-Grades_of_ethanol-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Reactions" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Reactions"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Reactions</span> </div> </a> <button aria-controls="toc-Reactions-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Reactions subsection</span> </button> <ul id="toc-Reactions-sublist" class="vector-toc-list"> <li id="toc-Ester_formation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ester_formation"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.1</span> <span>Ester formation</span> </div> </a> <ul id="toc-Ester_formation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Dehydration" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Dehydration"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.2</span> <span>Dehydration</span> </div> </a> <ul id="toc-Dehydration-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Combustion" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Combustion"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.3</span> <span>Combustion</span> </div> </a> <ul id="toc-Combustion-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Acid-base_chemistry" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Acid-base_chemistry"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.4</span> <span>Acid-base chemistry</span> </div> </a> <ul id="toc-Acid-base_chemistry-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Halogenation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Halogenation"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.5</span> <span>Halogenation</span> </div> </a> <ul id="toc-Halogenation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Oxidation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Oxidation"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.6</span> <span>Oxidation</span> </div> </a> <ul id="toc-Oxidation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Metabolism" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Metabolism"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.7</span> <span>Metabolism</span> </div> </a> <ul id="toc-Metabolism-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Safety" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Safety"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Safety</span> </div> </a> <ul id="toc-Safety-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-History" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#History"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>History</span> </div> </a> <ul id="toc-History-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">11</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">12</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">13</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ethanol</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 117 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-117" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">117 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Etanol" title="Etanol – Afrikaans" lang="af" hreflang="af" data-title="Etanol" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Ethanol" title="Ethanol – Alemannic" lang="gsw" hreflang="gsw" data-title="Ethanol" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A5%D9%8A%D8%AB%D8%A7%D9%86%D9%88%D9%84" title="إيثانول – Arabic" lang="ar" hreflang="ar" data-title="إيثانول" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Etanol" title="Etanol – Aragonese" lang="an" hreflang="an" data-title="Etanol" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%87%E0%A6%A5%E0%A6%BE%E0%A6%A8%27%E0%A6%B2" title="ইথান&#039;ল – Assamese" lang="as" hreflang="as" data-title="ইথান&#039;ল" data-language-autonym="অসমীয়া" data-language-local-name="Assamese" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Etanol" title="Etanol – Asturian" lang="ast" hreflang="ast" data-title="Etanol" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-awa mw-list-item"><a href="https://awa.wikipedia.org/wiki/%E0%A4%A6%E0%A4%BE%E0%A4%B0%E0%A5%81" title="दारु – Awadhi" lang="awa" hreflang="awa" data-title="दारु" data-language-autonym="अवधी" data-language-local-name="Awadhi" class="interlanguage-link-target"><span>अवधी</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Etanol" title="Etanol – Guarani" lang="gn" hreflang="gn" data-title="Etanol" data-language-autonym="Avañe&#039;ẽ" data-language-local-name="Guarani" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Etanol" title="Etanol – Azerbaijani" lang="az" hreflang="az" data-title="Etanol" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%A7%D8%AA%D8%A7%D9%86%D9%88%D9%84" title="اتانول – South Azerbaijani" lang="azb" hreflang="azb" data-title="اتانول" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%87%E0%A6%A5%E0%A6%BE%E0%A6%A8%E0%A6%B2" title="ইথানল – Bangla" lang="bn" hreflang="bn" data-title="ইথানল" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Ethanol" title="Ethanol – Minnan" lang="nan" hreflang="nan" data-title="Ethanol" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Этанол – Bashkir" lang="ba" hreflang="ba" data-title="Этанол" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Этанол – Belarusian" lang="be" hreflang="be" data-title="Этанол" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB%D1%8C" title="Этаноль – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Этаноль" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Etanol" title="Etanol – Central Bikol" lang="bcl" hreflang="bcl" data-title="Etanol" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%95%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Етанол – Bulgarian" lang="bg" hreflang="bg" data-title="Етанол" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Ethanoi" title="Ethanoi – Bavarian" lang="bar" hreflang="bar" data-title="Ethanoi" data-language-autonym="Boarisch" data-language-local-name="Bavarian" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A8%E0%BC%8B%E0%BD%A2%E0%BD%82%E0%BC%8B%E0%BD%89%E0%BD%B2%E0%BD%84%E0%BC%8B%E0%BD%81%E0%BD%B4%E0%BC%8D" title="ཨ་རག་ཉིང་ཁུ། – Tibetan" lang="bo" hreflang="bo" data-title="ཨ་རག་ཉིང་ཁུ།" data-language-autonym="བོད་ཡིག" data-language-local-name="Tibetan" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Etanol" title="Etanol – Bosnian" lang="bs" hreflang="bs" data-title="Etanol" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Etanol" title="Etanol – Breton" lang="br" hreflang="br" data-title="Etanol" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Etanol" title="Etanol – Catalan" lang="ca" hreflang="ca" data-title="Etanol" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Этанол – Chuvash" lang="cv" hreflang="cv" data-title="Этанол" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Etanol" title="Etanol – Cebuano" lang="ceb" hreflang="ceb" data-title="Etanol" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Ethanol" title="Ethanol – Czech" lang="cs" hreflang="cs" data-title="Ethanol" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Ethanol" title="Ethanol – Welsh" lang="cy" hreflang="cy" data-title="Ethanol" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/%C3%86tanol" title="Ætanol – Danish" lang="da" hreflang="da" data-title="Ætanol" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://de.wikipedia.org/wiki/Ethanol" title="Ethanol – German" lang="de" hreflang="de" data-title="Ethanol" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Etanool" title="Etanool – Estonian" lang="et" hreflang="et" data-title="Etanool" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%91%CE%B9%CE%B8%CE%B1%CE%BD%CF%8C%CE%BB%CE%B7" title="Αιθανόλη – Greek" lang="el" hreflang="el" data-title="Αιθανόλη" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Etanol" title="Etanol – Spanish" lang="es" hreflang="es" data-title="Etanol" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Etanolo" title="Etanolo – Esperanto" lang="eo" hreflang="eo" data-title="Etanolo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Etanol" title="Etanol – Basque" lang="eu" hreflang="eu" data-title="Etanol" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D8%AA%D8%A7%D9%86%D9%88%D9%84" title="اتانول – Persian" lang="fa" hreflang="fa" data-title="اتانول" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Ethanol" title="Ethanol – Fiji Hindi" lang="hif" hreflang="hif" data-title="Ethanol" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/%C3%89thanol" title="Éthanol – French" lang="fr" hreflang="fr" data-title="Éthanol" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Etanol" title="Etanol – Western Frisian" lang="fy" hreflang="fy" data-title="Etanol" data-language-autonym="Frysk" data-language-local-name="Western Frisian" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Eat%C3%A1n%C3%B3l" title="Eatánól – Irish" lang="ga" hreflang="ga" data-title="Eatánól" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Etanol" title="Etanol – Galician" lang="gl" hreflang="gl" data-title="Etanol" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%87%E0%AA%A5%E0%AB%87%E0%AA%A8%E0%AB%8B%E0%AA%B2" title="ઇથેનોલ – Gujarati" lang="gu" hreflang="gu" data-title="ઇથેનોલ" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%97%90%ED%83%84%EC%98%AC" title="에탄올 – Korean" lang="ko" hreflang="ko" data-title="에탄올" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B7%D5%A9%D5%AB%D5%AC_%D5%BD%D5%BA%D5%AB%D6%80%D5%BF" title="Էթիլ սպիրտ – Armenian" lang="hy" hreflang="hy" data-title="Էթիլ սպիրտ" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%87%E0%A4%A5%E0%A5%87%E0%A4%A8%E0%A5%89%E0%A4%B2" title="इथेनॉल – Hindi" lang="hi" hreflang="hi" data-title="इथेनॉल" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Etanol" title="Etanol – Croatian" lang="hr" hreflang="hr" data-title="Etanol" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Etanol" title="Etanol – Iloko" lang="ilo" hreflang="ilo" data-title="Etanol" data-language-autonym="Ilokano" data-language-local-name="Iloko" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Etanol" title="Etanol – Indonesian" lang="id" hreflang="id" data-title="Etanol" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Etan%C3%B3l" title="Etanól – Icelandic" lang="is" hreflang="is" data-title="Etanól" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Etanolo" title="Etanolo – Italian" lang="it" hreflang="it" data-title="Etanolo" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%90%D7%AA%D7%A0%D7%95%D7%9C" title="אתנול – Hebrew" lang="he" hreflang="he" data-title="אתנול" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/%C3%89tanol" title="Étanol – Javanese" lang="jv" hreflang="jv" data-title="Étanol" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%88%E0%B2%A5%E0%B3%88%E0%B2%B2%E0%B3%8D_%E0%B2%86%E0%B2%B2%E0%B3%8D%E0%B2%95%E0%B3%8B%E0%B2%B9%E0%B2%BE%E0%B2%B2%E0%B3%8D" title="ಈಥೈಲ್ ಆಲ್ಕೋಹಾಲ್ – Kannada" lang="kn" hreflang="kn" data-title="ಈಥೈಲ್ ಆಲ್ಕೋಹಾಲ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%94%E1%83%97%E1%83%90%E1%83%9C%E1%83%9D%E1%83%9A%E1%83%98" title="ეთანოლი – Georgian" lang="ka" hreflang="ka" data-title="ეთანოლი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%AD%D1%82%D0%B8%D0%BB_%D1%81%D0%BF%D0%B8%D1%80%D1%82%D1%96" title="Этил спирті – Kazakh" lang="kk" hreflang="kk" data-title="Этил спирті" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Ethanol" title="Ethanol – Cornish" lang="kw" hreflang="kw" data-title="Ethanol" data-language-autonym="Kernowek" data-language-local-name="Cornish" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Ethanoli" title="Ethanoli – Swahili" lang="sw" hreflang="sw" data-title="Ethanoli" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Ethanolum" title="Ethanolum – Latin" lang="la" hreflang="la" data-title="Ethanolum" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Etanols" title="Etanols – Latvian" lang="lv" hreflang="lv" data-title="Etanols" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Ethanol" title="Ethanol – Luxembourgish" lang="lb" hreflang="lb" data-title="Ethanol" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lez mw-list-item"><a href="https://lez.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Этанол – Lezghian" lang="lez" hreflang="lez" data-title="Этанол" data-language-autonym="Лезги" data-language-local-name="Lezghian" class="interlanguage-link-target"><span>Лезги</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Etanolis" title="Etanolis – Lithuanian" lang="lt" hreflang="lt" data-title="Etanolis" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Ethanol" title="Ethanol – Limburgish" lang="li" hreflang="li" data-title="Ethanol" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Etanol" title="Etanol – Lombard" lang="lmo" hreflang="lmo" data-title="Etanol" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Etanol" title="Etanol – Hungarian" lang="hu" hreflang="hu" data-title="Etanol" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%95%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Етанол – Macedonian" lang="mk" hreflang="mk" data-title="Етанол" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%8E%E0%B4%A5%E0%B4%A8%E0%B5%8B%E0%B5%BE" title="എഥനോൾ – Malayalam" lang="ml" hreflang="ml" data-title="എഥനോൾ" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%87%E0%A4%A5%E0%A5%87%E0%A4%A8%E0%A5%89%E0%A4%B2" title="इथेनॉल – Marathi" lang="mr" hreflang="mr" data-title="इथेनॉल" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Etanol" title="Etanol – Malay" lang="ms" hreflang="ms" data-title="Etanol" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Этанол – Mongolian" lang="mn" hreflang="mn" data-title="Этанол" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%A1%E1%80%AE%E1%80%9E%E1%80%94%E1%80%B1%E1%80%AC%E1%80%9C%E1%80%BA" title="အီသနောလ် – Burmese" lang="my" hreflang="my" data-title="အီသနောလ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Ethanol" title="Ethanol – Dutch" lang="nl" hreflang="nl" data-title="Ethanol" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%87%E0%A4%A5%E0%A4%BE%E0%A4%A8%E0%A5%8B%E0%A4%B2" title="इथानोल – Nepali" lang="ne" hreflang="ne" data-title="इथानोल" data-language-autonym="नेपाली" data-language-local-name="Nepali" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%87%E0%A4%A5%E0%A4%BE%E0%A4%A8%E0%A5%8B%E0%A4%B2" title="इथानोल – Newari" lang="new" hreflang="new" data-title="इथानोल" data-language-autonym="नेपाल भाषा" data-language-local-name="Newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A8%E3%82%BF%E3%83%8E%E3%83%BC%E3%83%AB" title="エタノール – Japanese" lang="ja" hreflang="ja" data-title="エタノール" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Etanool" title="Etanool – Northern Frisian" lang="frr" hreflang="frr" data-title="Etanool" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Etanol" title="Etanol – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Etanol" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Etanol" title="Etanol – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Etanol" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Etan%C3%B2l" title="Etanòl – Occitan" lang="oc" hreflang="oc" data-title="Etanòl" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Etil_spirti" title="Etil spirti – Uzbek" lang="uz" hreflang="uz" data-title="Etil spirti" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%88%E0%A8%A5%E0%A9%87%E0%A8%A8%E0%A9%8B%E0%A8%B2" title="ਈਥੇਨੋਲ – Punjabi" lang="pa" hreflang="pa" data-title="ਈਥੇਨੋਲ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A7%DB%8C%D8%AA%DA%BE%D8%A7%D9%86%D9%88%D9%84" title="ایتھانول – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ایتھانول" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%A7%DB%90%D8%AA%D9%86%D9%88%D9%84" title="اېتنول – Pashto" lang="ps" hreflang="ps" data-title="اېتنول" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Ethanol" title="Ethanol – Low German" lang="nds" hreflang="nds" data-title="Ethanol" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Etanol" title="Etanol – Polish" lang="pl" hreflang="pl" data-title="Etanol" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Etanol" title="Etanol – Portuguese" lang="pt" hreflang="pt" data-title="Etanol" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Etanol" title="Etanol – Romanian" lang="ro" hreflang="ro" data-title="Etanol" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Ethanul" title="Ethanul – Quechua" lang="qu" hreflang="qu" data-title="Ethanul" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Этанол – Russian" lang="ru" hreflang="ru" data-title="Этанол" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Этанол – Yakut" lang="sah" hreflang="sah" data-title="Этанол" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Ethanol" title="Ethanol – Saterland Frisian" lang="stq" hreflang="stq" data-title="Ethanol" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Etanoli" title="Etanoli – Albanian" lang="sq" hreflang="sq" data-title="Etanoli" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Ethanol" title="Ethanol – Simple English" lang="en-simple" hreflang="en-simple" data-title="Ethanol" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Etanol" title="Etanol – Slovak" lang="sk" hreflang="sk" data-title="Etanol" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Etanol" title="Etanol – Slovenian" lang="sl" hreflang="sl" data-title="Etanol" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%A6%DB%8E%D8%AA%D8%A7%D9%86%DB%86%D9%84" title="ئێتانۆل – Central Kurdish" lang="ckb" hreflang="ckb" data-title="ئێتانۆل" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%95%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Етанол – Serbian" lang="sr" hreflang="sr" data-title="Етанол" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Etanol" title="Etanol – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Etanol" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Etanoli" title="Etanoli – Finnish" lang="fi" hreflang="fi" data-title="Etanoli" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Etanol" title="Etanol – Swedish" lang="sv" hreflang="sv" data-title="Etanol" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Etanol" title="Etanol – Tagalog" lang="tl" hreflang="tl" data-title="Etanol" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%8E%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%A9%E0%AE%BE%E0%AE%B2%E0%AF%8D" title="எத்தனால் – Tamil" lang="ta" hreflang="ta" data-title="எத்தனால்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tt badge-Q17437796 badge-featuredarticle mw-list-item" title="featured article badge"><a href="https://tt.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Этанол – Tatar" lang="tt" hreflang="tt" data-title="Этанол" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%87%E0%B0%A5%E0%B0%A8%E0%B0%BE%E0%B0%B2%E0%B1%8D" title="ఇథనాల్ – Telugu" lang="te" hreflang="te" data-title="ఇథనాల్" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%AD%E0%B8%97%E0%B8%B2%E0%B8%99%E0%B8%AD%E0%B8%A5" title="เอทานอล – Thai" lang="th" hreflang="th" data-title="เอทานอล" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Этанол – Tajik" lang="tg" hreflang="tg" data-title="Этанол" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Etanol" title="Etanol – Turkish" lang="tr" hreflang="tr" data-title="Etanol" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tyv mw-list-item"><a href="https://tyv.wikipedia.org/wiki/%D0%AD%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Этанол – Tuvinian" lang="tyv" hreflang="tyv" data-title="Этанол" data-language-autonym="Тыва дыл" data-language-local-name="Tuvinian" class="interlanguage-link-target"><span>Тыва дыл</span></a></li><li class="interlanguage-link interwiki-uk badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://uk.wikipedia.org/wiki/%D0%95%D1%82%D0%B0%D0%BD%D0%BE%D0%BB" title="Етанол – Ukrainian" lang="uk" hreflang="uk" data-title="Етанол" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A7%DB%8C%D8%AA%DA%BE%D9%86%D9%88%D9%84" title="ایتھنول – Urdu" lang="ur" hreflang="ur" data-title="ایتھنول" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Etilspirt" title="Etilspirt – Veps" lang="vep" hreflang="vep" data-title="Etilspirt" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ethanol" title="Ethanol – Vietnamese" lang="vi" hreflang="vi" data-title="Ethanol" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E4%B9%99%E9%86%87" title="乙醇 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="乙醇" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Etanol" title="Etanol – Waray" lang="war" hreflang="war" data-title="Etanol" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E4%B9%99%E9%86%87" title="乙醇 – Wu" lang="wuu" hreflang="wuu" data-title="乙醇" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A2%D7%98%D7%90%D7%A0%D7%90%D7%9C" title="עטאנאל – Yiddish" lang="yi" hreflang="yi" data-title="עטאנאל" data-language-autonym="ייִדיש" data-language-local-name="Yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E4%B9%99%E9%86%87" title="乙醇 – Cantonese" lang="yue" hreflang="yue" data-title="乙醇" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Etanuolis" title="Etanuolis – Samogitian" lang="sgs" hreflang="sgs" data-title="Etanuolis" data-language-autonym="Žemaitėška" data-language-local-name="Samogitian" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%B9%99%E9%86%87" title="乙醇 – Chinese" lang="zh" hreflang="zh" data-title="乙醇" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span 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dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Organic compound (CH₃CH₂OH)</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For ethanol as a drug or medicine, see <a href="/wiki/Alcohol_(drug)" title="Alcohol (drug)">Alcohol (drug)</a> and <a href="/wiki/Alcohols_(medicine)" title="Alcohols (medicine)">Alcohols (medicine)</a>.</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Not to be confused with <a href="/wiki/Ethenol" class="mw-redirect" title="Ethenol">Ethenol</a> or <a href="/wiki/Ethynol" title="Ethynol">Ethynol</a>.</div> <p> <style data-mw-deduplicate="TemplateStyles:r1084375498">.mw-parser-output .ib-chembox{border-collapse:collapse;text-align:left}.mw-parser-output .ib-chembox td,.mw-parser-output .ib-chembox th{border:1px solid #a2a9b1;width:40%}.mw-parser-output .ib-chembox td+td{width:60%}</style> </p> <table class="infobox ib-chembox"> <caption>Ethanol </caption> <tbody><tr> <td colspan="2" class="borderless" style="text-align:center"> <table border="0" style="width:100%;display:inline-table;"> <tbody><tr> <td style="border-right:1px solid #aaa; width:50%;"><figure class="mw-halign-center skin-invert-image" typeof="mw:File"><a href="/wiki/File:Ethanol-2D-flat.svg" class="mw-file-description" title="Full structural formula of ethanol"><img alt="Full structural formula of ethanol" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Ethanol-2D-flat.svg/110px-Ethanol-2D-flat.svg.png" decoding="async" width="110" height="69" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Ethanol-2D-flat.svg/165px-Ethanol-2D-flat.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/df/Ethanol-2D-flat.svg/220px-Ethanol-2D-flat.svg.png 2x" data-file-width="201" data-file-height="126" /></a><figcaption>Full structural formula of ethanol</figcaption></figure> </td> <td style="width:50%;"><figure class="mw-halign-center skin-invert-image" typeof="mw:File"><a href="/wiki/File:Ethanol-2D-skeletal.svg" class="mw-file-description" title="Skeletal formula of ethanol"><img alt="Skeletal formula of ethanol" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/Ethanol-2D-skeletal.svg/110px-Ethanol-2D-skeletal.svg.png" decoding="async" width="110" height="42" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/82/Ethanol-2D-skeletal.svg/165px-Ethanol-2D-skeletal.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/82/Ethanol-2D-skeletal.svg/220px-Ethanol-2D-skeletal.svg.png 2x" data-file-width="1034" data-file-height="397" /></a><figcaption>Skeletal formula of ethanol</figcaption></figure> </td></tr></tbody></table> </td></tr> <tr> <td colspan="2" class="borderless" style="text-align:center"> <table border="0" style="width:100%;display:inline-table;"> <tbody><tr> <td style="border-right:1px solid #aaa; width:50%;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Ethanol-3D-balls.png" class="mw-file-description" title="Ball-and-stick model of ethanol"><img alt="Ball-and-stick model of ethanol" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Ethanol-3D-balls.png/110px-Ethanol-3D-balls.png" decoding="async" width="110" height="75" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Ethanol-3D-balls.png/165px-Ethanol-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Ethanol-3D-balls.png/220px-Ethanol-3D-balls.png 2x" data-file-width="1100" data-file-height="754" /></a><figcaption>Ball-and-stick model of ethanol</figcaption></figure> </td> <td style="width:50%;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Ethanol-3D-vdW.png" class="mw-file-description" title="Space-filling model of ethanol"><img alt="Space-filling model of ethanol" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Ethanol-3D-vdW.png/110px-Ethanol-3D-vdW.png" decoding="async" width="110" height="88" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Ethanol-3D-vdW.png/165px-Ethanol-3D-vdW.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/00/Ethanol-3D-vdW.png/220px-Ethanol-3D-vdW.png 2x" data-file-width="1100" data-file-height="879" /></a><figcaption>Space-filling model of ethanol</figcaption></figure> </td></tr></tbody></table> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:Sample_of_Absolute_Ethanol.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Sample_of_Absolute_Ethanol.jpg/220px-Sample_of_Absolute_Ethanol.jpg" decoding="async" width="220" height="314" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Sample_of_Absolute_Ethanol.jpg/330px-Sample_of_Absolute_Ethanol.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/Sample_of_Absolute_Ethanol.jpg/440px-Sample_of_Absolute_Ethanol.jpg 2x" data-file-width="2020" data-file-height="2879" /></a></span><br /><div style="text-align:center;">Absolute ethanol</div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Names </th></tr> <tr> <td>Pronunciation </td> <td><span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="/ˈ/: primary stress follows">ˈ</span><span title="/ɛ/: &#39;e&#39; in &#39;dress&#39;">ɛ</span><span title="/θ/: &#39;th&#39; in &#39;thigh&#39;">θ</span><span title="/ə/: &#39;a&#39; in &#39;about&#39;">ə</span><span title="&#39;n&#39; in &#39;nigh&#39;">n</span><span title="/ɒ/: &#39;o&#39; in &#39;body&#39;">ɒ</span><span title="&#39;l&#39; in &#39;lie&#39;">l</span></span>/</a></span></span> </td></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/Preferred_IUPAC_name" title="Preferred IUPAC name">Preferred IUPAC name</a> <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0; max-width:22em;">Ethanol<sup id="cite_ref-iupac2013_1-0" class="reference"><a href="#cite_note-iupac2013-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup></div></div> </td></tr> <tr> <td colspan="2" style="text-align:left;">Other names <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li>Absolute alcohol</li><li>Alcohol</li><li>Cologne spirit</li><li>Drinking alcohol</li><li>Ethylic alcohol</li><li>EtOH</li><li>Ethyl alcohol</li><li>Ethyl hydroxide</li><li>Ethylene hydrate</li><li>Ethylol</li><li>Grain alcohol</li><li>Hydroxyethane</li><li>Methylcarbinol</li></ul></div></div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Identifiers </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="commonchemistry.cas.org"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=64-17-5">64-17-5</a></span><sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">3D model (<a href="/wiki/JSmol" class="mw-redirect" title="JSmol">JSmol</a>)</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="chemapps.stolaf.edu (3D interactive model)"><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=OCC">Interactive image</a></span></li></ul></div> </td></tr> <tr> <td>3DMet </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.3dmet.dna.affrc.go.jp"><a rel="nofollow" class="external text" href="http://www.3dmet.dna.affrc.go.jp/cgi/show_data.php?acc=B01253">B01253</a></span></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Beilstein_database" title="Beilstein database">Beilstein Reference</a></div> </td> <td>1718733 </td></tr> <tr> <td><a href="/wiki/ChEBI" title="ChEBI">ChEBI</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.ebi.ac.uk"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chebi/searchId.do?chebiId=16236">CHEBI:16236</a></span><sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChEMBL" title="ChEMBL">ChEMBL</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.ebi.ac.uk"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/ChEMBL545">ChEMBL545</a></span><sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChemSpider" title="ChemSpider">ChemSpider</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.chemspider.com"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.682.html">682</a></span><sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/DrugBank" title="DrugBank">DrugBank</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.drugbank.ca"><a rel="nofollow" class="external text" href="https://www.drugbank.ca/drugs/DB00898">DB00898</a></span><sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ECHA_InfoCard" class="mw-redirect" title="ECHA InfoCard"><span title="echa.europa.eu">ECHA InfoCard</span></a> </td> <td><a rel="nofollow" class="external text" href="https://echa.europa.eu/substance-information/-/substanceinfo/100.000.526">100.000.526</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q153#P2566" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Gmelin_database" title="Gmelin database">Gmelin Reference</a></div> </td> <td>787 </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/IUPHAR/BPS" class="mw-redirect" title="IUPHAR/BPS">IUPHAR/BPS</a></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.guidetopharmacology.org"><a rel="nofollow" class="external text" href="http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?tab=summary&amp;ligandId=2299">2299</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/KEGG" title="KEGG">KEGG</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.kegg.jp"><a rel="nofollow" class="external text" href="https://www.kegg.jp/entry/C00469">C00469</a></span></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/PubChem" title="PubChem">PubChem</a> <abbr title="Compound ID">CID</abbr></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="pubchem.ncbi.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/702">702</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/Unique_Ingredient_Identifier" title="Unique Ingredient Identifier">UNII</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="precision.fda.gov"><a rel="nofollow" class="external text" href="https://precision.fda.gov/uniisearch/srs/unii/3K9958V90M">3K9958V90M</a></span><sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/UN_number" title="UN number">UN number</a> </td> <td>UN 1170 </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CompTox_Chemicals_Dashboard" title="CompTox Chemicals Dashboard">CompTox Dashboard</a> <span style="font-weight:normal">(<abbr title="U.S. Environmental Protection Agency">EPA</abbr>)</span></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="comptox.epa.gov"><a rel="nofollow" class="external text" href="https://comptox.epa.gov/dashboard/chemical/details/DTXSID9020584">DTXSID9020584</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q153#P3117" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3<sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key:&#160;LFQSCWFLJHTTHZ-UHFFFAOYSA-N<sup>&#160;<span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div></div></li><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1/C2H6O/c1-2-3/h3H,2H2,1H3</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key:&#160;LFQSCWFLJHTTHZ-UHFFFAOYAB</div></div></li></ul> </div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/Simplified_molecular-input_line-entry_system" class="mw-redirect" title="Simplified molecular-input line-entry system">SMILES</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.6em; word-wrap:break-word; text-indent:-1.5em; text-align:left; font-size:97%; line-height:120%;">OCC</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Properties </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Chemical_formula" title="Chemical formula">Chemical formula</a></div> </td> <td><span title="Carbon">C</span><sub>2</sub><span title="Hydrogen">H</span><sub>6</sub><span title="Oxygen">O</span> </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td><span class="nowrap"><span data-sort-value="7001460690000000000♠"></span>46.069</span>&#160;g·mol<sup>−1</sup> &#x20; </td></tr> <tr> <td>Appearance </td> <td>Colourless liquid </td></tr> <tr> <td><a href="/wiki/Odor" title="Odor">Odor</a> </td> <td>wine-like, pungent<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Density" title="Density">Density</a> </td> <td>0.78945 g/cm<sup>3</sup> (at 20 °C)<sup id="cite_ref-crc2_3-0" class="reference"><a href="#cite_note-crc2-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Melting_point" title="Melting point">Melting point</a> </td> <td>−114.14&#160;±&#160;0.03<sup id="cite_ref-crc2_3-1" class="reference"><a href="#cite_note-crc2-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup>&#160;°C (−173.45&#160;±&#160;0.05&#160;°F; 159.01&#160;±&#160;0.03&#160;K) </td></tr> <tr> <td><a href="/wiki/Boiling_point" title="Boiling point">Boiling point</a> </td> <td>78.23&#160;±&#160;0.09<sup id="cite_ref-crc2_3-2" class="reference"><a href="#cite_note-crc2-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup>&#160;°C (172.81&#160;±&#160;0.16&#160;°F; 351.38&#160;±&#160;0.09&#160;K) </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Aqueous_solution" title="Aqueous solution">Solubility in water</a></div> </td> <td><a href="/wiki/Miscibility" title="Miscibility">Miscible</a> </td></tr> <tr> <td><a href="/wiki/Partition_coefficient" title="Partition coefficient">log <i>P</i></a> </td> <td>−0.18 </td></tr> <tr> <td><a href="/wiki/Vapor_pressure" title="Vapor pressure">Vapor pressure</a> </td> <td>5.95 kPa (at 20&#160;°C) </td></tr> <tr> <td><a href="/wiki/Acid_dissociation_constant" title="Acid dissociation constant">Acidity</a> (p<i>K</i><sub>a</sub>) </td> <td>15.9 (H<sub>2</sub>O), 29.8 (DMSO)<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Magnetic_susceptibility" title="Magnetic susceptibility">Magnetic susceptibility</a> (&#967;)</div> </td> <td>−33.60·10<sup>−6</sup> cm<sup>3</sup>/mol </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Refractive_index" title="Refractive index">Refractive index</a> (<i>n</i><sub>D</sub>)</div> </td> <td>1.3611<sup id="cite_ref-crc2_3-3" class="reference"><a href="#cite_note-crc2-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Viscosity" title="Viscosity">Viscosity</a> </td> <td>1.2 mPa·s (at 20&#160;°C), 1.074 mPa·s (at 25&#160;°C)<sup id="cite_ref-crc92_6-0" class="reference"><a href="#cite_note-crc92-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Dipole#Molecular_dipoles" title="Dipole">Dipole moment</a></div> </td> <td>1.69 D<sup id="cite_ref-crc89_7-0" class="reference"><a href="#cite_note-crc89-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Hazards </th></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><a href="/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals" title="Globally Harmonized System of Classification and Labelling of Chemicals"><b>GHS</b> labelling</a>: </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_hazard_pictograms" title="GHS hazard pictograms">Pictograms</a></div> </td> <td><span typeof="mw:File"><a href="/wiki/File:GHS-pictogram-flamme.svg" class="mw-file-description" title="GHS02: Flammable"><img alt="GHS02: Flammable" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/GHS-pictogram-flamme.svg/50px-GHS-pictogram-flamme.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6d/GHS-pictogram-flamme.svg/75px-GHS-pictogram-flamme.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6d/GHS-pictogram-flamme.svg/100px-GHS-pictogram-flamme.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span> <span typeof="mw:File"><a href="/wiki/File:GHS-pictogram-exclam.svg" class="mw-file-description" title="GHS07: Exclamation mark"><img alt="GHS07: Exclamation mark" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/50px-GHS-pictogram-exclam.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/75px-GHS-pictogram-exclam.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/100px-GHS-pictogram-exclam.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span> <span typeof="mw:File"><a href="/wiki/File:GHS-pictogram-silhouette.svg" class="mw-file-description" title="GHS08: Health hazard"><img alt="GHS08: Health hazard" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/GHS-pictogram-silhouette.svg/50px-GHS-pictogram-silhouette.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/GHS-pictogram-silhouette.svg/75px-GHS-pictogram-silhouette.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/21/GHS-pictogram-silhouette.svg/100px-GHS-pictogram-silhouette.svg.png 2x" data-file-width="724" data-file-height="724" /></a></span> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals#Signal_word" title="Globally Harmonized System of Classification and Labelling of Chemicals">Signal word</a></div> </td> <td><b>Danger</b> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_hazard_statements" title="GHS hazard statements">Hazard statements</a></div> </td> <td><abbr class="abbr" title="H225: Highly flammable liquid and vapour">H225</abbr>, <abbr class="abbr" title="H319: Causes serious eye irritation">H319</abbr>, <abbr class="abbr" title="H360D: May damage the unborn child">H360D</abbr> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_precautionary_statements" title="GHS precautionary statements">Precautionary statements</a></div> </td> <td><abbr class="abbr" title="P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.">P210</abbr>, <abbr class="abbr" title="P233: Keep container tightly closed.">P233</abbr>, <abbr class="abbr" title="P240: Ground and bond container and receiving equipment.">P240</abbr>, <abbr class="abbr" title="P241: Use explosion-proof electrical/ventilating/light/.../equipment.">P241</abbr>, <abbr class="abbr" title="P242: Use only non-sparking tools.">P242</abbr>, <abbr class="abbr" title="P305+P351+P338: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.">P305+P351+P338</abbr> </td></tr> <tr> <td><a href="/wiki/NFPA_704" title="NFPA 704"><b>NFPA 704</b></a> (fire&#160;diamond) </td> <td><style data-mw-deduplicate="TemplateStyles:r1170367383">.mw-parser-output .nfpa-704-diamond-ref{float:right;padding:1px;text-align:right}.mw-parser-output .nfpa-704-diamond-container{width:82px;font-family:sans-serif;margin:0 auto}.mw-parser-output .nfpa-704-diamond-container-ref{float:left;margin-left:1em}.mw-parser-output .nfpa-704-diamond-images{float:left;font-size:20px;text-align:center;position:relative;height:80px;width:80px;padding:1px}.mw-parser-output .nfpa-704-diamond-map{position:absolute;height:80px;width:80px}.mw-parser-output .nfpa-704-diamond .noresize{margin:0 auto}.mw-parser-output .nfpa-704-diamond-code{line-height:1em;text-align:center;position:absolute}.mw-parser-output .nfpa-704-diamond-code>a{color:black}.mw-parser-output .nfpa-704-diamond-blue{width:13px;top:31px;left:15px}.mw-parser-output .nfpa-704-diamond-red{width:12px;top:12px;left:35px}.mw-parser-output .nfpa-704-diamond-yellow{width:13px;top:31px;left:54px}.mw-parser-output .nfpa-704-diamond-white-image{position:relative;top:51px;left:0}.mw-parser-output .nfpa-704-diamond-white-text{vertical-align:middle;text-align:center;line-height:80%;position:absolute;top:52px}.mw-parser-output .nfpa-704-diamond-white-text a>span{position:absolute;color:black}.mw-parser-output .nfpa-704-diamond-white-wors{font-size:15px;width:23px;left:29px}.mw-parser-output .nfpa-704-diamond-white-wox{font-size:15px;font-stretch:condensed;width:21px;line-height:80%;top:-4px;left:29px}.mw-parser-output .nfpa-704-diamond-white-abcp{font-size:13.5px;font-stretch:condensed;width:28px;left:26px}.mw-parser-output .nfpa-704-diamond-white-ac{font-size:10px;width:30px;left:25px}.mw-parser-output .nfpa-704-diamond-white-strike{text-decoration:line-through}</style><div class="nfpa-704-diamond notheme"><div class="nfpa-704-diamond-container"><div class="nfpa-704-diamond-images nounderlines"> <div class="nfpa-704-diamond-map"><figure class="noresize" typeof="mw:File"><span><img alt="NFPA 704 four-colored diamond" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/80px-NFPA_704.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/120px-NFPA_704.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/160px-NFPA_704.svg.png 2x" data-file-width="512" data-file-height="512" usemap="#ImageMap_9a02d12247c3a88a" /></span><map name="ImageMap_9a02d12247c3a88a"><area href="/wiki/NFPA_704#Blue" shape="poly" coords="23,23,47,47,23,70,0,47" alt="Health 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroform" title="Health 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroform" /><area href="/wiki/NFPA_704#Red" shape="poly" coords="47,0,70,23,47,47,23,23" alt="Flammability 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g. gasoline" title="Flammability 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g. gasoline" /><area href="/wiki/NFPA_704#Yellow" shape="poly" coords="70,23,94,47,70,70,47,47" alt="Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen" title="Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen" /><area href="/wiki/NFPA_704#White" shape="poly" coords="47,47,70,70,47,94,23,70" alt="Special hazards (white): no code" title="Special hazards (white): no code" /></map><figcaption></figcaption></figure></div><div class="nfpa-704-diamond-code nfpa-704-diamond-blue"> <a href="/wiki/NFPA_704#Blue" title="NFPA 704"><span title="Health 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroform" class="notheme mw-no-invert">2</span></a></div><div class="nfpa-704-diamond-code nfpa-704-diamond-red"> <a href="/wiki/NFPA_704#Red" title="NFPA 704"><span title="Flammability 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g. gasoline" class="notheme mw-no-invert">3</span></a></div><div class="nfpa-704-diamond-code nfpa-704-diamond-yellow"> <a href="/wiki/NFPA_704#Yellow" title="NFPA 704"><span title="Instability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogen" class="notheme mw-no-invert">0</span></a></div></div></div></div> </td></tr> <tr> <td><a href="/wiki/Flash_point" title="Flash point">Flash point</a> </td> <td>14 °C (Absolute)<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><b>Lethal dose</b> or concentration (LD, LC): </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">LD<sub>50</sub> (<a href="/wiki/Lethal_dose#LD50" title="Lethal dose">median dose</a>)</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>7060<span class="nowrap">&#160;</span>mg/kg (oral, rat)</li><li>3450<span class="nowrap">&#160;</span>mg/kg (mouse)</li></ul></div> <sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">&#91;</span>12<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><a href="/wiki/National_Institute_for_Occupational_Safety_and_Health" title="National Institute for Occupational Safety and Health"><b>NIOSH</b></a> (US health exposure limits): </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Permissible_exposure_limit" title="Permissible exposure limit">PEL</a> (Permissible)</div> </td> <td>TWA 1000 ppm (1900<span class="nowrap">&#160;</span>mg/m<sup>3</sup>)<sup id="cite_ref-PGCH_10-0" class="reference"><a href="#cite_note-PGCH-10"><span class="cite-bracket">&#91;</span>10<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Recommended_exposure_limit" title="Recommended exposure limit">REL</a> (Recommended)</div> </td> <td>TWA 1000 ppm (1900<span class="nowrap">&#160;</span>mg/m<sup>3</sup>)<sup id="cite_ref-PGCH_10-1" class="reference"><a href="#cite_note-PGCH-10"><span class="cite-bracket">&#91;</span>10<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/IDLH" class="mw-redirect" title="IDLH">IDLH</a> (Immediate danger)</div> </td> <td>3300 ppm <sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">&#91;</span>11<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Safety_data_sheet" title="Safety data sheet">Safety data sheet</a> (SDS) </td> <td><sup id="cite_ref-sigmaaldrichMSDS_8-0" class="reference"><a href="#cite_note-sigmaaldrichMSDS-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Related compounds </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Related compounds</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a href="/wiki/Ethane" title="Ethane">Ethane</a></li><li><a href="/wiki/Methanol" title="Methanol">Methanol</a></li></ul></div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Supplementary data page </th></tr> <tr> <td colspan="2" style="text-align:center"><a href="/wiki/Ethanol_(data_page)" title="Ethanol (data page)">Ethanol (data page)</a> </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; border:1px solid #a2a9b1;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Except where otherwise noted, data are given for materials in their <a href="/wiki/Standard_state" title="Standard state">standard state</a> (at 25&#160;°C [77&#160;°F], 100&#160;kPa).</div> <div style="margin-top: 0.3em;"><div style="text-align:center;"><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/12px-X_mark.svg.png" decoding="async" width="12" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/18px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/24px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span>&#160;<span class="reflink plainlinks nourlexpansion"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:ComparePages&amp;rev1=477167117&amp;page2=Ethanol">verify</a></span>&#160;(<a href="/wiki/Wikipedia:WikiProject_Chemicals/Chembox_validation" title="Wikipedia:WikiProject Chemicals/Chembox validation">what is</a>&#160;<sup><span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span></sup>&#160;?) </div></div> <div style="margin-top: 0.3em; text-align: center;"><a href="/wiki/Wikipedia:Chemical_infobox#References" title="Wikipedia:Chemical infobox">Infobox references</a></div> </td></tr> </tbody></table><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound</div> <p><b>Ethanol</b> (also called <b>ethyl alcohol</b>, <b>grain alcohol</b>, <b>drinking alcohol</b>, or simply <b>alcohol</b>) is an <a href="/wiki/Organic_compound" title="Organic compound">organic compound</a> with the <a href="/wiki/Chemical_formula" title="Chemical formula">chemical formula</a> <style data-mw-deduplicate="TemplateStyles:r1123817410">.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}</style><span class="chemf nowrap">CH<sub class="template-chem2-sub">3</sub>CH<sub class="template-chem2-sub">2</sub>OH</span>. It is an <a href="/wiki/Alcohol_(chemistry)" title="Alcohol (chemistry)">alcohol</a>, with its formula also written as <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub">2</sub>H<sub class="template-chem2-sub">5</sub>OH</span>, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub">2</sub>H<sub class="template-chem2-sub">6</sub>O</span> or EtOH, where Et stands for <a href="/wiki/Ethyl_group" title="Ethyl group">ethyl</a>. Ethanol is a <a href="/wiki/Volatility_(chemistry)" title="Volatility (chemistry)">volatile</a>, <a href="/wiki/Flammable" class="mw-redirect" title="Flammable">flammable</a>, colorless liquid with a characteristic <a href="/wiki/Wine" title="Wine">wine</a>-like odor and <a href="/wiki/Pungent" class="mw-redirect" title="Pungent">pungent</a> taste.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">&#91;</span>13<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">&#91;</span>14<span class="cite-bracket">&#93;</span></a></sup> In nature, grape-sugar breaks up by the action of fermentation into alcohol or carbonic acid, without anything being added.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">&#91;</span>15<span class="cite-bracket">&#93;</span></a></sup> As a <a href="/wiki/Psychoactive" class="mw-redirect" title="Psychoactive">psychoactive</a> <a href="/wiki/Depressant" title="Depressant">depressant</a>, it is the active ingredient in <a href="/wiki/Alcoholic_beverage" title="Alcoholic beverage">alcoholic beverages</a>, and the second most consumed drug globally behind <a href="/wiki/Caffeine" title="Caffeine">caffeine</a>.<sup id="cite_ref-u385_16-0" class="reference"><a href="#cite_note-u385-16"><span class="cite-bracket">&#91;</span>16<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol is naturally produced by the <a href="/wiki/Fermentation" title="Fermentation">fermentation</a> process of <a href="/wiki/Sugar" title="Sugar">sugars</a> by <a href="/wiki/Yeast" title="Yeast">yeasts</a> or via <a href="/wiki/Petrochemical" title="Petrochemical">petrochemical</a> processes such as <a href="/wiki/Ethylene" title="Ethylene">ethylene</a> hydration. Historically it was used as a <a href="/wiki/General_anesthetic" class="mw-redirect" title="General anesthetic">general anesthetic</a>, and has modern medical applications as an <a href="/wiki/Antiseptic" title="Antiseptic">antiseptic</a>, <a href="/wiki/Disinfectant" title="Disinfectant">disinfectant</a>, solvent for some medications, and <a href="/wiki/Antidote" title="Antidote">antidote</a> for <a href="/wiki/Methanol_poisoning" class="mw-redirect" title="Methanol poisoning">methanol poisoning</a> and <a href="/wiki/Ethylene_glycol_poisoning" title="Ethylene glycol poisoning">ethylene glycol poisoning</a>.<sup id="cite_ref-Powell1996_17-0" class="reference"><a href="#cite_note-Powell1996-17"><span class="cite-bracket">&#91;</span>17<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Schnelle_18-0" class="reference"><a href="#cite_note-Schnelle-18"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup> It is used as a chemical <a href="/wiki/Solvent" title="Solvent">solvent</a> and in the <a href="/wiki/Chemical_synthesis" title="Chemical synthesis">synthesis</a> of organic compounds, and as a <a href="/wiki/Alcohol_fuel" title="Alcohol fuel">fuel source</a> for lamps, stoves, and internal combustion engines. Ethanol also can be dehydrated to make ethylene, an important chemical feedstock. As of 2023, world production of ethanol fuel was 29,590,000,000 US gallons (112.0 gigalitres), coming mostly from the U.S. (51%) and Brazil (26%).<sup id="cite_ref-:0_19-0" class="reference"><a href="#cite_note-:0-19"><span class="cite-bracket">&#91;</span>19<span class="cite-bracket">&#93;</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Name">Name</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=1" title="Edit section: Name"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>Ethanol</i> is the <a href="/wiki/Systematic_name" title="Systematic name">systematic name</a> <a href="/wiki/IUPAC_nomenclature_of_organic_chemistry" title="IUPAC nomenclature of organic chemistry">defined</a> by the <a href="/wiki/International_Union_of_Pure_and_Applied_Chemistry" title="International Union of Pure and Applied Chemistry">International Union of Pure and Applied Chemistry</a> for a compound consisting of an <a href="/wiki/Alkyl_group" title="Alkyl group">alkyl group</a> with two carbon <a href="/wiki/Atom" title="Atom">atoms</a> (prefix "eth-"), having a single bond between them (infix "-an-") and an attached −OH <a href="/wiki/Functional_group" title="Functional group">functional group</a> (suffix "-ol").<sup id="cite_ref-Pubchem_20-0" class="reference"><a href="#cite_note-Pubchem-20"><span class="cite-bracket">&#91;</span>20<span class="cite-bracket">&#93;</span></a></sup> </p><p>The "eth-" prefix and the qualifier "ethyl" in "ethyl alcohol" originally came from the name "ethyl" assigned in 1834 to the group <span class="chemf nowrap">C<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">5</sub></span></span></span>− by <a href="/wiki/Justus_von_Liebig" title="Justus von Liebig">Justus Liebig</a>. He coined the word from the <a href="/wiki/German_language" title="German language">German</a> name <i>Aether</i> of the compound <span class="chemf nowrap">C<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">5</sub></span></span></span>−O−<span class="chemf nowrap">C<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">5</sub></span></span></span> (commonly called "ether" in <a href="/wiki/English_language" title="English language">English</a>, more specifically called "<a href="/wiki/Diethyl_ether" title="Diethyl ether">diethyl ether</a>").<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">&#91;</span>21<span class="cite-bracket">&#93;</span></a></sup> According to the <i><a href="/wiki/Oxford_English_Dictionary" title="Oxford English Dictionary">Oxford English Dictionary</a></i>, <i>Ethyl</i> is a contraction of the Ancient Greek <a href="https://en.wiktionary.org/wiki/%CE%B1%E1%BC%B0%CE%B8%CE%AE%CF%81#Ancient_Greek" class="extiw" title="wikt:αἰθήρ">αἰθήρ</a> (<i><span title="Ancient Greek (to 1453)-language romanization"><i lang="grc-Latn">aithḗr</i></span></i>, "upper air") and the Greek word <a href="https://en.wiktionary.org/wiki/%E1%BD%95%CE%BB%CE%B7#Ancient_Greek" class="extiw" title="wikt:ὕλη">ὕλη</a> (<i><span title="Ancient Greek (to 1453)-language romanization"><i lang="grc-Latn">hýlē</i></span></i>, "wood, raw material", hence "matter, substance").<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">&#91;</span>22<span class="cite-bracket">&#93;</span></a></sup> <i>Ethanol</i> was coined as a result of a resolution on naming alcohols and phenols that was adopted at the International Conference on <a href="/wiki/Chemical_nomenclature" title="Chemical nomenclature">Chemical Nomenclature</a> that was held in April 1892 in <a href="/wiki/Geneva" title="Geneva">Geneva</a>, Switzerland.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">&#91;</span>23<span class="cite-bracket">&#93;</span></a></sup> </p><p>The term <i>alcohol</i> now refers to a wider class of substances in chemistry nomenclature, but in common parlance it remains the name of ethanol. It is a medieval loan from <a href="/wiki/Arabic" title="Arabic">Arabic</a> <span class="nowrap"><i><a href="/wiki/Kohl_(cosmetics)" title="Kohl (cosmetics)">al-kuḥl</a></i></span>, a powdered ore of <a href="/wiki/Antimony" title="Antimony">antimony</a> used since antiquity as a cosmetic, and retained that meaning in <a href="/wiki/Middle_Latin" class="mw-redirect" title="Middle Latin">Middle Latin</a>.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">&#91;</span>24<span class="cite-bracket">&#93;</span></a></sup> The use of 'alcohol' for ethanol (in full, "alcohol of wine") was first recorded in 1753. Before the late 18th century the term <i>alcohol</i> generally referred to any sublimated substance.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">&#91;</span>25<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Uses">Uses</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=2" title="Edit section: Uses"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Medical">Medical</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=3" title="Edit section: Medical"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Alcohol_(medicine)" class="mw-redirect" title="Alcohol (medicine)">Alcohol (medicine)</a></div> <p>Ethanol is the oldest known <a href="/wiki/Sedative" title="Sedative">sedative</a>, used as an oral <a href="/wiki/General_anesthetic" class="mw-redirect" title="General anesthetic">general anesthetic</a> during surgery in ancient <a href="/wiki/Mesopotamia" title="Mesopotamia">Mesopotamia</a> and in <a href="/wiki/Middle_Ages" title="Middle Ages">medieval times</a>.<sup id="cite_ref-Powell1996_17-1" class="reference"><a href="#cite_note-Powell1996-17"><span class="cite-bracket">&#91;</span>17<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Schnelle_18-1" class="reference"><a href="#cite_note-Schnelle-18"><span class="cite-bracket">&#91;</span>18<span class="cite-bracket">&#93;</span></a></sup> Mild intoxication starts at a <a href="/wiki/Blood_alcohol_concentration" class="mw-redirect" title="Blood alcohol concentration">blood alcohol concentration</a> of 0.03-0.05&#160;% and induces <a href="/wiki/Induced_coma" title="Induced coma">anesthetic coma</a> at 0.4%.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">&#91;</span>26<span class="cite-bracket">&#93;</span></a></sup> This use carries the high risk of deadly <a href="/wiki/Alcohol_intoxication" title="Alcohol intoxication">alcohol intoxication</a>, <a href="/wiki/Pulmonary_aspiration" title="Pulmonary aspiration">pulmonary aspiration</a> and vomit, which led to use of alternatives in antiquity, such as <a href="/wiki/Opium" title="Opium">opium</a> and <a href="/wiki/Cannabis" title="Cannabis">cannabis</a>, and later diethyl ether, starting in the 1840s.<sup id="cite_ref-Grattan_27-0" class="reference"><a href="#cite_note-Grattan-27"><span class="cite-bracket">&#91;</span>27<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol is used as an <a href="/wiki/Antiseptic" title="Antiseptic">antiseptic</a> in medical wipes and <a href="/wiki/Hand_sanitizer" title="Hand sanitizer">hand sanitizer</a> gels for its bactericidal and anti-fungal effects.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">&#91;</span>28<span class="cite-bracket">&#93;</span></a></sup> Ethanol kills <a href="/wiki/Microorganism" title="Microorganism">microorganisms</a> by dissolving their membrane <a href="/wiki/Lipid_bilayer" title="Lipid bilayer">lipid bilayer</a> and <a href="/wiki/Denaturation_(biochemistry)" title="Denaturation (biochemistry)">denaturing</a> their <a href="/wiki/Protein" title="Protein">proteins</a>, and is effective against most <a href="/wiki/Bacteria" title="Bacteria">bacteria</a>, <a href="/wiki/Fungi" class="mw-redirect" title="Fungi">fungi</a> and <a href="/wiki/Virus" title="Virus">viruses</a>. It is ineffective against bacterial <a href="/wiki/Endospore" title="Endospore">spores</a>, which can be treated with <a href="/wiki/Hydrogen_peroxide" title="Hydrogen peroxide">hydrogen peroxide</a>.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">&#91;</span>29<span class="cite-bracket">&#93;</span></a></sup> </p><p>A solution of 70% ethanol is more effective than pure ethanol because ethanol relies on water molecules for optimal antimicrobial activity. Absolute ethanol may inactivate microbes without destroying them because the alcohol is unable to fully permeate the microbe's membrane.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">&#91;</span>30<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">&#91;</span>31<span class="cite-bracket">&#93;</span></a></sup> Ethanol can also be used as a disinfectant and antiseptic by inducing cell dehydration through disruption of the osmotic balance across the cell membrane, causing water to leave the cell, leading to cell death.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">&#91;</span>32<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol may be administered as an <a href="/wiki/Antidote" title="Antidote">antidote</a> to <a href="/wiki/Ethylene_glycol_poisoning" title="Ethylene glycol poisoning">ethylene glycol poisoning</a><sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">&#91;</span>33<span class="cite-bracket">&#93;</span></a></sup> and <a href="/wiki/Methanol_poisoning" class="mw-redirect" title="Methanol poisoning">methanol poisoning</a>.<sup id="cite_ref-EM2016_34-0" class="reference"><a href="#cite_note-EM2016-34"><span class="cite-bracket">&#91;</span>34<span class="cite-bracket">&#93;</span></a></sup> It does so by acting as a <a href="/wiki/Competitive_inhibitor" class="mw-redirect" title="Competitive inhibitor">competitive inhibitor</a> against <a href="/wiki/Methanol" title="Methanol">methanol</a> and <a href="/wiki/Ethylene_glycol" title="Ethylene glycol">ethylene glycol</a> for <a href="/wiki/Alcohol_dehydrogenase" title="Alcohol dehydrogenase">alcohol dehydrogenase</a> (ADH).<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">&#91;</span>35<span class="cite-bracket">&#93;</span></a></sup> Though it has more side effects, ethanol is less expensive and more readily available than <a href="/wiki/Fomepizole" title="Fomepizole">fomepizole</a> in the role.<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">&#91;</span>36<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol is used to dissolve many water-insoluble medications and related compounds. Liquid preparations of <a href="/wiki/Analgesics" class="mw-redirect" title="Analgesics">pain medications</a>, <a href="/wiki/Cold_medicine" title="Cold medicine">cough and cold medicines</a>, and mouth washes, for example, may contain up to 25% ethanol<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">&#91;</span>37<span class="cite-bracket">&#93;</span></a></sup> and may need to be avoided in individuals with adverse reactions to ethanol such as <a href="/wiki/Alcohol-induced_respiratory_reactions" title="Alcohol-induced respiratory reactions">alcohol-induced respiratory reactions</a>.<sup id="cite_ref-Ann_Allergy_Asthma_Immunol_2013_38-0" class="reference"><a href="#cite_note-Ann_Allergy_Asthma_Immunol_2013-38"><span class="cite-bracket">&#91;</span>38<span class="cite-bracket">&#93;</span></a></sup> Ethanol is present mainly as an antimicrobial preservative in over 700 liquid preparations of medicine including <a href="/wiki/Acetaminophen" class="mw-redirect" title="Acetaminophen">acetaminophen</a>, <a href="/wiki/Iron_supplement" title="Iron supplement">iron supplements</a>, <a href="/wiki/Ranitidine" title="Ranitidine">ranitidine</a>, <a href="/wiki/Furosemide" title="Furosemide">furosemide</a>, <a href="/wiki/Mannitol" title="Mannitol">mannitol</a>, <a href="/wiki/Phenobarbital" title="Phenobarbital">phenobarbital</a>, <a href="/wiki/Trimethoprim/sulfamethoxazole" title="Trimethoprim/sulfamethoxazole">trimethoprim/sulfamethoxazole</a> and <a href="/wiki/Over-the-counter" class="mw-redirect" title="Over-the-counter">over-the-counter</a> <a href="/wiki/Cough_medicine" class="mw-redirect" title="Cough medicine">cough medicine</a>.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">&#91;</span>39<span class="cite-bracket">&#93;</span></a></sup> </p><p>Some medicinal solutions of ethanol are also known as <a href="/wiki/Tincture" title="Tincture">tinctures</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Pharmacological">Pharmacological</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=4" title="Edit section: Pharmacological"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In mammals, ethanol is primarily <a href="/wiki/Metabolized" class="mw-redirect" title="Metabolized">metabolized</a> in the <a href="/wiki/Liver" title="Liver">liver</a> and <a href="/wiki/Stomach" title="Stomach">stomach</a> by ADH enzymes.<sup id="cite_ref-Farrés_40-0" class="reference"><a href="#cite_note-Farrés-40"><span class="cite-bracket">&#91;</span>40<span class="cite-bracket">&#93;</span></a></sup> These enzymes catalyze the <a href="/wiki/Oxidation" class="mw-redirect" title="Oxidation">oxidation</a> of ethanol into <a href="/wiki/Acetaldehyde" title="Acetaldehyde">acetaldehyde</a> (ethanal):<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">&#91;</span>41<span class="cite-bracket">&#93;</span></a></sup> </p> <dl><dd>CH<sub>3</sub>CH<sub>2</sub>OH + NAD<sup>+</sup> → CH<sub>3</sub>CHO + <a href="/wiki/NADH" class="mw-redirect" title="NADH">NADH</a> + H<sup>+</sup></dd></dl> <p>When present in significant concentrations, this metabolism of ethanol is additionally aided by the <a href="/wiki/Cytochrome_P450" title="Cytochrome P450">cytochrome P450</a> enzyme <a href="/wiki/CYP2E1" title="CYP2E1">CYP2E1</a> in humans, while trace amounts are also metabolized by <a href="/wiki/Catalase" title="Catalase">catalase</a>.<sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">&#91;</span>42<span class="cite-bracket">&#93;</span></a></sup> The resulting intermediate, acetaldehyde, is a known carcinogen, and poses significantly greater toxicity in humans than ethanol itself. Many of the symptoms typically associated with alcohol intoxication—as well as many of the health hazards typically associated with the long-term consumption of ethanol—can be attributed to acetaldehyde toxicity in humans.<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">&#91;</span>43<span class="cite-bracket">&#93;</span></a></sup> </p><p>The subsequent oxidation of acetaldehyde into <a href="/wiki/Acetate" title="Acetate">acetate</a> is performed by <a href="/wiki/Aldehyde_dehydrogenase" title="Aldehyde dehydrogenase">aldehyde dehydrogenase</a> (ALDH) enzymes. A mutation in the ALDH2 gene that encodes for an inactive or dysfunctional form of this enzyme affects roughly 50&#160;% of east Asian populations, contributing to the characteristic <a href="/wiki/Alcohol_flush_reaction" title="Alcohol flush reaction">alcohol flush reaction</a> that can cause temporary reddening of the skin as well as a number of related, and often unpleasant, symptoms of acetaldehyde toxicity.<sup id="cite_ref-Eng_et_al._44-0" class="reference"><a href="#cite_note-Eng_et_al.-44"><span class="cite-bracket">&#91;</span>44<span class="cite-bracket">&#93;</span></a></sup> This mutation is typically accompanied by another mutation in the ADH enzyme <a href="/wiki/ADH1B" title="ADH1B">ADH1B</a> in roughly 80&#160;% of east Asians, which improves the catalytic efficiency of converting ethanol into acetaldehyde.<sup id="cite_ref-Eng_et_al._44-1" class="reference"><a href="#cite_note-Eng_et_al.-44"><span class="cite-bracket">&#91;</span>44<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Energy_source">Energy source</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=5" title="Edit section: Energy source"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Food_vs._fuel" title="Food vs. fuel">Food vs. fuel</a></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Ethanol_fuel" title="Ethanol fuel">Ethanol fuel</a></div> <figure class="mw-default-size mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/File:Corn_vs_Ethanol_production.webp" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Corn_vs_Ethanol_production.webp/300px-Corn_vs_Ethanol_production.webp.png" decoding="async" width="300" height="77" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Corn_vs_Ethanol_production.webp/450px-Corn_vs_Ethanol_production.webp.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Corn_vs_Ethanol_production.webp/600px-Corn_vs_Ethanol_production.webp.png 2x" data-file-width="1588" data-file-height="406" /></a><figcaption>Corn vs ethanol production in the United States <style data-mw-deduplicate="TemplateStyles:r981673959">.mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{}</style><div class="legend"><span class="legend-color mw-no-invert" style="background-color:#FFD932; color:black;">&#160;</span>&#160;Total corn production (<a href="/wiki/Bushel" title="Bushel">bushels</a>) (left)</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><div class="legend"><span class="legend-color mw-no-invert" style="background-color:#B51700; color:white;">&#160;</span>&#160;Corn used for <a href="/wiki/Ethanol_fuel" title="Ethanol fuel">Ethanol fuel</a> (bushels) (left)</div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><div class="legend"><span class="legend-line mw-no-invert" style="display: inline-block; vertical-align: middle; width: 1.67em; height: 0; border-style: none; border-top: 2px dotted black;border-top:#313131 solid 3px;">&#160;</span>&#160;Percent of corn used for Ethanol (right)</div> </figcaption></figure> <table class="wikitable" style="float:right; margin-left:1em;"> <caption><a href="/wiki/Energy_density" title="Energy density">Energy content</a> (<a href="/wiki/Lower_heating_value" class="mw-redirect" title="Lower heating value">lower heating value</a>) of some fuels compared with ethanol. </caption> <tbody><tr> <th>Fuel type</th> <th>MJ/L</th> <th>MJ/kg</th> <th><a href="/wiki/Octane_rating" title="Octane rating">Research<br />octane<br />number</a> </th></tr> <tr> <td><a href="/wiki/Wood_fuel" title="Wood fuel">Dry wood (20% moisture)</a></td> <td></td> <td>~19.5</td> <td> </td></tr> <tr> <td><a href="/wiki/Methanol" title="Methanol">Methanol</a></td> <td>17.9</td> <td>19.9</td> <td>108.7<sup id="cite_ref-Fuel_89_(2010)_2713-2720_45-0" class="reference"><a href="#cite_note-Fuel_89_(2010)_2713-2720-45"><span class="cite-bracket">&#91;</span>45<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Ethanol_fuel" title="Ethanol fuel">Ethanol</a></td> <td>21.2<sup id="cite_ref-Thomas_46-0" class="reference"><a href="#cite_note-Thomas-46"><span class="cite-bracket">&#91;</span>46<span class="cite-bracket">&#93;</span></a></sup></td> <td>26.8<sup id="cite_ref-Thomas_46-1" class="reference"><a href="#cite_note-Thomas-46"><span class="cite-bracket">&#91;</span>46<span class="cite-bracket">&#93;</span></a></sup> </td> <td>108.6<sup id="cite_ref-Fuel_89_(2010)_2713-2720_45-1" class="reference"><a href="#cite_note-Fuel_89_(2010)_2713-2720-45"><span class="cite-bracket">&#91;</span>45<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td><a href="/wiki/E85" title="E85">E85</a><br />(85% ethanol, 15% gasoline)</td> <td>25.2</td> <td>33.2</td> <td>105 </td></tr> <tr> <td><a href="/wiki/Liquefied_natural_gas" title="Liquefied natural gas">Liquefied natural gas</a></td> <td>25.3</td> <td>~55</td> <td> </td></tr> <tr> <td><a href="/wiki/Autogas" title="Autogas">Autogas</a> (<a href="/wiki/Liquified_petroleum_gas" class="mw-redirect" title="Liquified petroleum gas">LPG</a>)<br />(60% <a href="/wiki/Propane" title="Propane">propane</a> + 40% <a href="/wiki/Butane" title="Butane">butane</a>)</td> <td>26.8</td> <td>50</td> <td> </td></tr> <tr> <td><a href="/wiki/Aviation_gasoline" class="mw-redirect" title="Aviation gasoline">Aviation gasoline</a><br />(high-octane gasoline, not jet fuel)</td> <td>33.5</td> <td>46.8</td> <td>100/130 (lean/rich) </td></tr> <tr> <td><a href="/wiki/Alcohol_fuel" title="Alcohol fuel">Gasohol</a><br />(90% gasoline + 10% ethanol)</td> <td>33.7</td> <td>47.1</td> <td>93/94 </td></tr> <tr> <td>Regular gasoline/petrol</td> <td>34.8</td> <td>44.4<sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">&#91;</span>47<span class="cite-bracket">&#93;</span></a></sup></td> <td>min. 91 </td></tr> <tr> <td>Premium gasoline/petrol</td> <td></td> <td></td> <td>max. 104 </td></tr> <tr> <td><a href="/wiki/Diesel_fuel" title="Diesel fuel">Diesel</a></td> <td>38.6</td> <td>45.4</td> <td>25 </td></tr> <tr> <td><a href="/wiki/Charcoal" title="Charcoal">Charcoal</a>, extruded</td> <td>50</td> <td>23</td> <td> </td></tr></tbody></table> <p>The largest single use of ethanol is as an engine <a href="/wiki/Fuel" title="Fuel">fuel</a> and <a href="/wiki/Fuel_additive" class="mw-redirect" title="Fuel additive">fuel additive</a>. <a href="/wiki/Brazil" title="Brazil">Brazil</a> in particular relies heavily upon the use of ethanol as an engine fuel, due in part to its role as one of the world's leading producers of ethanol.<sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">&#91;</span>48<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">&#91;</span>49<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Gasoline" title="Gasoline">Gasoline</a> sold in Brazil contains at least 25% <a href="/wiki/Anhydrous" title="Anhydrous">anhydrous</a> ethanol. Hydrous ethanol (about 95% ethanol and 5% water) can be used as fuel in more than 90% of new gasoline-fueled cars sold in the country. </p><p>The US and many other countries primarily use E10 (10% ethanol, sometimes known as gasohol) and E85 (85% ethanol) ethanol/gasoline mixtures. Over time, it is believed that a material portion of the ≈150-billion-US-gallon (570,000,000&#160;m<sup>3</sup>) per year market for gasoline will begin to be replaced with fuel ethanol.<sup id="cite_ref-rfa1_50-0" class="reference"><a href="#cite_note-rfa1-50"><span class="cite-bracket">&#91;</span>50<span class="cite-bracket">&#93;</span></a></sup> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Ethyl_alcohol_usp_grade.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Ethyl_alcohol_usp_grade.jpg/170px-Ethyl_alcohol_usp_grade.jpg" decoding="async" width="170" height="310" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Ethyl_alcohol_usp_grade.jpg/255px-Ethyl_alcohol_usp_grade.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Ethyl_alcohol_usp_grade.jpg/340px-Ethyl_alcohol_usp_grade.jpg 2x" data-file-width="1036" data-file-height="1892" /></a><figcaption><a href="/wiki/Chemical_purity" title="Chemical purity">USP grade</a> ethanol for laboratory use</figcaption></figure> <p>Australian law limits the use of pure ethanol from <a href="/wiki/Sugarcane" title="Sugarcane">sugarcane</a> waste to 10&#160;% in automobiles. Older cars (and vintage cars designed to use a slower burning fuel) should have the engine valves upgraded or replaced.<sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">&#91;</span>51<span class="cite-bracket">&#93;</span></a></sup> </p><p>According to an industry <a href="/wiki/Advocacy_group" title="Advocacy group">advocacy group</a>, ethanol as a fuel reduces harmful <a href="/wiki/Tailpipe_emissions" class="mw-redirect" title="Tailpipe emissions">tailpipe emissions</a> of carbon monoxide, particulate matter, <a href="/wiki/Oxides_of_nitrogen" class="mw-redirect" title="Oxides of nitrogen">oxides of nitrogen</a>, and other ozone-forming pollutants.<sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">&#91;</span>52<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Argonne_National_Laboratory" title="Argonne National Laboratory">Argonne National Laboratory</a> analyzed greenhouse gas emissions of many different engine and fuel combinations, and found that <a href="/wiki/Biodiesel" title="Biodiesel">biodiesel</a>/petrodiesel blend (<a href="/wiki/B20_(biodiesel)" class="mw-redirect" title="B20 (biodiesel)">B20</a>) showed a reduction of 8%, conventional <a href="/wiki/E85" title="E85">E85</a> ethanol blend a reduction of 17% and <a href="/wiki/Cellulosic_ethanol" title="Cellulosic ethanol">cellulosic ethanol</a> 64%, compared with pure gasoline.<sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">&#91;</span>53<span class="cite-bracket">&#93;</span></a></sup> Ethanol has a much greater research octane number (RON) than gasoline, meaning it is less prone to pre-ignition, allowing for better ignition advance which means more torque, and efficiency in addition to the lower carbon emissions.<sup id="cite_ref-54" class="reference"><a href="#cite_note-54"><span class="cite-bracket">&#91;</span>54<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol <a href="/wiki/Combustion" title="Combustion">combustion</a> in an <a href="/wiki/Internal_combustion_engine" title="Internal combustion engine">internal combustion engine</a> yields many of the products of incomplete combustion produced by gasoline and significantly larger amounts of <a href="/wiki/Formaldehyde" title="Formaldehyde">formaldehyde</a> and related species such as acetaldehyde.<sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">&#91;</span>55<span class="cite-bracket">&#93;</span></a></sup> This leads to a significantly larger photochemical reactivity and more <a href="/wiki/Ground_level_ozone" class="mw-redirect" title="Ground level ozone">ground level ozone</a>.<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">&#91;</span>56<span class="cite-bracket">&#93;</span></a></sup> This data has been assembled into The Clean Fuels Report comparison of fuel emissions<sup id="cite_ref-57" class="reference"><a href="#cite_note-57"><span class="cite-bracket">&#91;</span>57<span class="cite-bracket">&#93;</span></a></sup> and show that ethanol exhaust generates 2.14&#160;times as much ozone as gasoline exhaust.<sup id="cite_ref-58" class="reference"><a href="#cite_note-58"><span class="cite-bracket">&#91;</span>58<span class="cite-bracket">&#93;</span></a></sup> When this is added into the custom <i>Localized Pollution Index</i> of The Clean Fuels Report, the local pollution of ethanol (pollution that contributes to smog) is rated 1.7, where gasoline is 1.0 and higher numbers signify greater pollution.<sup id="cite_ref-59" class="reference"><a href="#cite_note-59"><span class="cite-bracket">&#91;</span>59<span class="cite-bracket">&#93;</span></a></sup> The <a href="/wiki/California_Air_Resources_Board" title="California Air Resources Board">California Air Resources Board</a> formalized this issue in 2008 by recognizing control standards for formaldehydes as an emissions control group, much like the conventional <a href="/wiki/NOx" title="NOx">NOx</a> and reactive organic gases (ROGs).<sup id="cite_ref-60" class="reference"><a href="#cite_note-60"><span class="cite-bracket">&#91;</span>60<span class="cite-bracket">&#93;</span></a></sup> </p><p>More than 20% of Brazilian cars are able to use 100% ethanol as fuel, which includes ethanol-only engines and <a href="/wiki/Flex-fuel" class="mw-redirect" title="Flex-fuel">flex-fuel</a> engines.<sup id="cite_ref-61" class="reference"><a href="#cite_note-61"><span class="cite-bracket">&#91;</span>61<span class="cite-bracket">&#93;</span></a></sup> Flex-fuel engines in Brazil are able to work with all ethanol, all gasoline or any mixture of both. In the United States, flex-fuel vehicles can run on 0% to 85% ethanol (15% gasoline) since higher ethanol blends are not yet allowed or efficient. Brazil supports this fleet of ethanol-burning automobiles with large national infrastructure that produces ethanol from domestically grown sugarcane. </p><p>Ethanol's high <a href="/wiki/Miscibility" title="Miscibility">miscibility</a> with water makes it unsuitable for shipping through modern <a href="/wiki/Pipeline_transport" class="mw-redirect" title="Pipeline transport">pipelines</a> like liquid hydrocarbons.<sup id="cite_ref-HornKrupp2009_62-0" class="reference"><a href="#cite_note-HornKrupp2009-62"><span class="cite-bracket">&#91;</span>62<span class="cite-bracket">&#93;</span></a></sup> Mechanics have seen increased cases of damage to small engines (in particular, the <a href="/wiki/Carburetor" title="Carburetor">carburetor</a>) and attribute the damage to the increased water retention by ethanol in fuel.<sup id="cite_ref-63" class="reference"><a href="#cite_note-63"><span class="cite-bracket">&#91;</span>63<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol was commonly used as fuel in early <a href="/wiki/Bipropellant" class="mw-redirect" title="Bipropellant">bipropellant</a> <a href="/wiki/Rocket" title="Rocket">rocket</a> (liquid-propelled) vehicles, in conjunction with an <a href="/wiki/Oxidizer" class="mw-redirect" title="Oxidizer">oxidizer</a> such as liquid oxygen. The German A-4 ballistic rocket of <a href="/wiki/World_War_II" title="World War II">World War&#160;II</a> (better known by its propaganda name <span class="nowrap"><a href="/wiki/V-2" class="mw-redirect" title="V-2">V-2</a></span>),<sup id="cite_ref-Ignition_64-0" class="reference"><a href="#cite_note-Ignition-64"><span class="cite-bracket">&#91;</span>64<span class="cite-bracket">&#93;</span></a></sup> which is credited as having begun the space age, used ethanol as the main constituent of <span class="nowrap"><i><a href="/wiki/B-Stoff" class="mw-redirect" title="B-Stoff">B-Stoff</a></i></span>. Under such nomenclature, the ethanol was mixed with 25% water to reduce the combustion chamber temperature.<sup id="cite_ref-65" class="reference"><a href="#cite_note-65"><span class="cite-bracket">&#91;</span>65<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-braeunig_66-0" class="reference"><a href="#cite_note-braeunig-66"><span class="cite-bracket">&#91;</span>66<span class="cite-bracket">&#93;</span></a></sup> The <span class="nowrap">V-2's</span> design team helped develop U.S. rockets following World War&#160;II, including the ethanol-fueled <a href="/wiki/Redstone_(rocket_family)" title="Redstone (rocket family)">Redstone rocket</a>, which launched the first U.S. astronaut on <a href="/wiki/Suborbital_spaceflight" class="mw-redirect" title="Suborbital spaceflight">suborbital spaceflight</a>.<sup id="cite_ref-67" class="reference"><a href="#cite_note-67"><span class="cite-bracket">&#91;</span>67<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-68" class="reference"><a href="#cite_note-68"><span class="cite-bracket">&#91;</span>68<span class="cite-bracket">&#93;</span></a></sup> Alcohols fell into general disuse as more energy-dense rocket fuels were developed,<sup id="cite_ref-braeunig_66-1" class="reference"><a href="#cite_note-braeunig-66"><span class="cite-bracket">&#91;</span>66<span class="cite-bracket">&#93;</span></a></sup> although ethanol is currently used in <a href="/wiki/Light_aircraft" title="Light aircraft">lightweight</a> <a href="/wiki/Mark-III_X-racer" class="mw-redirect" title="Mark-III X-racer">rocket-powered racing aircraft</a>.<sup id="cite_ref-sdc20100426_69-0" class="reference"><a href="#cite_note-sdc20100426-69"><span class="cite-bracket">&#91;</span>69<span class="cite-bracket">&#93;</span></a></sup> </p><p>Commercial fuel cells operate on reformed natural gas, <a href="/wiki/Hydrogen" title="Hydrogen">hydrogen</a> or methanol. Ethanol is an attractive alternative due to its wide availability, low cost, high purity and low toxicity. There is a wide range of fuel cell concepts that have entered trials including <a href="/wiki/Direct-ethanol_fuel_cell" title="Direct-ethanol fuel cell">direct-ethanol fuel cells</a>, auto-thermal reforming systems and thermally integrated systems. The majority of work is being conducted at a research level although there are a number of organizations at the beginning of the commercialization of ethanol fuel cells.<sup id="cite_ref-70" class="reference"><a href="#cite_note-70"><span class="cite-bracket">&#91;</span>70<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol fireplaces can be used for home heating or for decoration. Ethanol can also be used as stove fuel for cooking.<sup id="cite_ref-71" class="reference"><a href="#cite_note-71"><span class="cite-bracket">&#91;</span>71<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-72" class="reference"><a href="#cite_note-72"><span class="cite-bracket">&#91;</span>72<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Other_uses">Other uses</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=6" title="Edit section: Other uses"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-More_citations_needed_section plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Ethanol" title="Special:EditPage/Ethanol">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>&#32;in this section. Unsourced material may be challenged and removed.</span> <span class="date-container"><i>(<span class="date">November 2024</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Alcohol_(drug)" title="Alcohol (drug)">Alcohol (drug)</a> and <a href="/wiki/Alcoholic_drink" class="mw-redirect" title="Alcoholic drink">Alcoholic drink</a></div> <p>As a <a href="/wiki/Central_nervous_system" title="Central nervous system">central nervous system</a> <a href="/wiki/Depressant" title="Depressant">depressant</a>, ethanol is one of the most commonly consumed <a href="/wiki/Psychoactive_drug" title="Psychoactive drug">psychoactive drugs</a>.<sup id="cite_ref-73" class="reference"><a href="#cite_note-73"><span class="cite-bracket">&#91;</span>73<span class="cite-bracket">&#93;</span></a></sup> Despite alcohol's psychoactive, addictive, and <a href="/wiki/Alcohol_and_cancer" title="Alcohol and cancer">carcinogenic</a> properties, it is readily available and legal for sale in many countries. There are laws regulating the sale, exportation/importation, taxation, manufacturing, consumption, and possession of alcoholic beverages. The most common regulation is prohibition for minors. </p><p>Ethanol is an important industrial ingredient. It has widespread use as a precursor for other organic compounds such as ethyl <a href="/wiki/Halide" title="Halide">halides</a>, ethyl <a href="/wiki/Ester" title="Ester">esters</a>, diethyl ether, acetic acid, and ethyl <a href="/wiki/Amine" title="Amine">amines</a>. It is considered a universal <a href="/wiki/Solvent" title="Solvent">solvent</a>, as its <a href="/wiki/Molecular" class="mw-redirect" title="Molecular">molecular</a> structure allows for the dissolving of both <a href="/wiki/Chemical_polarity#Polar_molecules" title="Chemical polarity">polar</a>, <a href="/wiki/Hydrophilic" class="mw-redirect" title="Hydrophilic">hydrophilic</a> and <a href="/wiki/Nonpolar" class="mw-redirect" title="Nonpolar">nonpolar</a>, <a href="/wiki/Hydrophobic" class="mw-redirect" title="Hydrophobic">hydrophobic</a> compounds. As ethanol also has a low <a href="/wiki/Boiling_point" title="Boiling point">boiling point</a>, it is easy to remove from a solution that has been used to dissolve other compounds, making it a popular extracting agent for botanical oils. <a href="/wiki/Cannabis_oil" class="mw-redirect" title="Cannabis oil">Cannabis oil</a> extraction methods often use ethanol as an extraction solvent,<sup id="cite_ref-74" class="reference"><a href="#cite_note-74"><span class="cite-bracket">&#91;</span>74<span class="cite-bracket">&#93;</span></a></sup> and also as a post-processing solvent to remove oils, waxes, and <a href="/wiki/Chlorophyll" title="Chlorophyll">chlorophyll</a> from solution in a process known as <a href="/wiki/Winterization_of_oil" title="Winterization of oil">winterization</a>. </p><p>Ethanol is found in <a href="/wiki/Paint" title="Paint">paints</a>, tinctures, markers, and personal care products such as mouthwashes, perfumes and deodorants. <a href="/wiki/Polysaccharides" class="mw-redirect" title="Polysaccharides">Polysaccharides</a> <a href="/wiki/Ethanol_precipitation" title="Ethanol precipitation">precipitate</a> from aqueous solution in the presence of alcohol, and ethanol precipitation is used for this reason in the purification of <a href="/wiki/DNA" title="DNA">DNA</a> and <a href="/wiki/RNA" title="RNA">RNA</a>. Because of its low <a href="/wiki/Freezing_point" class="mw-redirect" title="Freezing point">freezing point</a> of −114&#160;°C (−173&#160;°F) and low toxicity, ethanol is sometimes used in laboratories (with <a href="/wiki/Dry_ice" title="Dry ice">dry ice</a> or other coolants) as a <a href="/wiki/Cooling_bath" title="Cooling bath">cooling bath</a> to keep vessels at temperatures below the freezing point of water. For the same reason, it is also used as the active fluid in <a href="/wiki/Alcohol_thermometer" title="Alcohol thermometer">alcohol thermometers</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Chemistry">Chemistry</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=7" title="Edit section: Chemistry"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-More_citations_needed_section plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Ethanol" title="Special:EditPage/Ethanol">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>&#32;in this section. Unsourced material may be challenged and removed.</span> <span class="date-container"><i>(<span class="date">November 2024</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Ethanol_(data_page)" title="Ethanol (data page)">Ethanol (data page)</a></div> <p>Ethanol is a 2-carbon <a href="/wiki/Alcohol_(chemistry)" title="Alcohol (chemistry)">alcohol</a>. Its <a href="/wiki/Molecular_formula" class="mw-redirect" title="Molecular formula">molecular formula</a> is CH<sub>3</sub>CH<sub>2</sub>OH. The structure of the molecule of ethanol is <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CH<sub class="template-chem2-sub">3</sub>−CH<sub class="template-chem2-sub">2</sub>−OH</span> (an <a href="/wiki/Ethyl_group" title="Ethyl group">ethyl group</a> linked to a <a href="/wiki/Hydroxyl_group" class="mw-redirect" title="Hydroxyl group">hydroxyl group</a>), which indicates that the carbon of a <a href="/wiki/Methyl_group" title="Methyl group">methyl group</a> (CH<sub>3</sub>−) is attached to the carbon of a <a href="/wiki/Methylene_group" title="Methylene group">methylene group</a> (−CH<sub>2</sub>–), which is attached to the oxygen of a hydroxyl group (−OH). It is a constitutional <a href="/wiki/Isomer" title="Isomer">isomer</a> of <a href="/wiki/Dimethyl_ether" title="Dimethyl ether">dimethyl ether</a>. Ethanol is sometimes abbreviated as <b>EtOH</b>, using the common organic chemistry notation of representing the ethyl group (C<sub>2</sub>H<sub>5</sub>−) with <b>Et</b>. </p> <div class="mw-heading mw-heading3"><h3 id="Physical_properties">Physical properties</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=8" title="Edit section: Physical properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Spiritusflamme_mit_spektrum.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Spiritusflamme_mit_spektrum.png/170px-Spiritusflamme_mit_spektrum.png" decoding="async" width="170" height="257" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/5/5d/Spiritusflamme_mit_spektrum.png 1.5x" data-file-width="214" data-file-height="324" /></a><figcaption>Ethanol burning with its spectrum depicted</figcaption></figure> <p>Ethanol is a volatile, colorless liquid that has a slight odor. It burns with a smokeless blue flame that is not always visible in normal light. The physical properties of ethanol stem primarily from the presence of its hydroxyl group and the shortness of its carbon chain. Ethanol's hydroxyl group is able to participate in hydrogen bonding, rendering it more viscous and less volatile than less polar organic compounds of similar molecular weight, such as <a href="/wiki/Propane" title="Propane">propane</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (November 2024)">citation needed</span></a></i>&#93;</sup> Ethanol's <a href="/wiki/Adiabatic_flame_temperature" title="Adiabatic flame temperature">adiabatic flame temperature</a> for combustion in air is 2082 °C or 3779 °F.<sup id="cite_ref-chemss_75-0" class="reference"><a href="#cite_note-chemss-75"><span class="cite-bracket">&#91;</span>75<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol is slightly more refractive than water, having a <a href="/wiki/Refractive_index" title="Refractive index">refractive index</a> of 1.36242 (at λ=589.3&#160;nm and 18.35&#160;°C or 65.03&#160;°F).<sup id="cite_ref-crc_76-0" class="reference"><a href="#cite_note-crc-76"><span class="cite-bracket">&#91;</span>76<span class="cite-bracket">&#93;</span></a></sup> The <a href="/wiki/Triple_point" title="Triple point">triple point</a> for ethanol is <span class="nowrap">150 ± 20 <a href="/wiki/Kelvin" title="Kelvin">K</a></span>.<sup id="cite_ref-77" class="reference"><a href="#cite_note-77"><span class="cite-bracket">&#91;</span>77<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Solvent_properties">Solvent properties</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=9" title="Edit section: Solvent properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethanol is a versatile solvent, <a href="/wiki/Miscible" class="mw-redirect" title="Miscible">miscible</a> with water and with many organic solvents, including <a href="/wiki/Acetic_acid" title="Acetic acid">acetic acid</a>, <a href="/wiki/Acetone" title="Acetone">acetone</a>, <a href="/wiki/Benzene" title="Benzene">benzene</a>, <a href="/wiki/Carbon_tetrachloride" title="Carbon tetrachloride">carbon tetrachloride</a>, <a href="/wiki/Chloroform" title="Chloroform">chloroform</a>, diethyl ether, ethylene glycol, <a href="/wiki/Glycerol" title="Glycerol">glycerol</a>, <a href="/wiki/Nitromethane" title="Nitromethane">nitromethane</a>, <a href="/wiki/Pyridine" title="Pyridine">pyridine</a>, and <a href="/wiki/Toluene" title="Toluene">toluene</a>. Its main use as a solvent is in making tincture of iodine, cough syrups, etc.<sup id="cite_ref-crc_76-1" class="reference"><a href="#cite_note-crc-76"><span class="cite-bracket">&#91;</span>76<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-merck_78-0" class="reference"><a href="#cite_note-merck-78"><span class="cite-bracket">&#91;</span>78<span class="cite-bracket">&#93;</span></a></sup> It is also miscible with light aliphatic hydrocarbons, such as <a href="/wiki/Pentane" title="Pentane">pentane</a> and <a href="/wiki/Hexane" title="Hexane">hexane</a>, and with aliphatic chlorides such as <a href="/wiki/1,1,1-Trichloroethane" title="1,1,1-Trichloroethane">trichloroethane</a> and <a href="/wiki/Tetrachloroethylene" title="Tetrachloroethylene">tetrachloroethylene</a>.<sup id="cite_ref-merck_78-1" class="reference"><a href="#cite_note-merck-78"><span class="cite-bracket">&#91;</span>78<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol's miscibility with water contrasts with the immiscibility of longer-chain alcohols (five or more carbon atoms), whose water miscibility decreases sharply as the number of carbons increases.<sup id="cite_ref-m_and_b_79-0" class="reference"><a href="#cite_note-m_and_b-79"><span class="cite-bracket">&#91;</span>79<span class="cite-bracket">&#93;</span></a></sup> The miscibility of ethanol with <a href="/wiki/Alkane" title="Alkane">alkanes</a> is limited to alkanes up to <a href="/wiki/Undecane" title="Undecane">undecane</a>: mixtures with <a href="/wiki/Dodecane" title="Dodecane">dodecane</a> and higher alkanes show a <a href="/wiki/Miscibility_gap" title="Miscibility gap">miscibility gap</a> below a certain temperature (about 13&#160;°C for dodecane<sup id="cite_ref-80" class="reference"><a href="#cite_note-80"><span class="cite-bracket">&#91;</span>80<span class="cite-bracket">&#93;</span></a></sup>). The miscibility gap tends to get wider with higher alkanes, and the temperature for complete miscibility increases. </p><p>Ethanol-water mixtures have less volume than the sum of their individual components at the given fractions. Mixing equal volumes of ethanol and water results in only 1.92 volumes of mixture.<sup id="cite_ref-crc_76-2" class="reference"><a href="#cite_note-crc-76"><span class="cite-bracket">&#91;</span>76<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-ChemTech_81-0" class="reference"><a href="#cite_note-ChemTech-81"><span class="cite-bracket">&#91;</span>81<span class="cite-bracket">&#93;</span></a></sup> Mixing ethanol and water is <a href="/wiki/Exothermic" class="mw-redirect" title="Exothermic">exothermic</a>, with up to 777&#160;J/mol<sup id="cite_ref-82" class="reference"><a href="#cite_note-82"><span class="cite-bracket">&#91;</span>82<span class="cite-bracket">&#93;</span></a></sup> being released at 298&#160;K. </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Ethanol-xtal-1976-3D-balls.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Ethanol-xtal-1976-3D-balls.png/220px-Ethanol-xtal-1976-3D-balls.png" decoding="async" width="220" height="163" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Ethanol-xtal-1976-3D-balls.png/330px-Ethanol-xtal-1976-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Ethanol-xtal-1976-3D-balls.png/440px-Ethanol-xtal-1976-3D-balls.png 2x" data-file-width="1100" data-file-height="814" /></a><figcaption>Hydrogen bonding in solid ethanol at −186&#160;°C</figcaption></figure> <p>Hydrogen bonding causes pure ethanol to be <a href="/wiki/Hygroscopic" class="mw-redirect" title="Hygroscopic">hygroscopic</a> to the extent that it readily absorbs water from the air. The polar nature of the hydroxyl group causes ethanol to dissolve many ionic compounds, notably <a href="/wiki/Sodium_hydroxide" title="Sodium hydroxide">sodium</a> and <a href="/wiki/Potassium_hydroxide" title="Potassium hydroxide">potassium hydroxides</a>, <a href="/wiki/Magnesium_chloride" title="Magnesium chloride">magnesium chloride</a>, <a href="/wiki/Calcium_chloride" title="Calcium chloride">calcium chloride</a>, <a href="/wiki/Ammonium_chloride" title="Ammonium chloride">ammonium chloride</a>, <a href="/wiki/Ammonium_bromide" title="Ammonium bromide">ammonium bromide</a>, and <a href="/wiki/Sodium_bromide" title="Sodium bromide">sodium bromide</a>.<sup id="cite_ref-merck_78-2" class="reference"><a href="#cite_note-merck-78"><span class="cite-bracket">&#91;</span>78<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Sodium_chloride" title="Sodium chloride">Sodium</a> and <a href="/wiki/Potassium_chloride" title="Potassium chloride">potassium chlorides</a> are slightly soluble in ethanol.<sup id="cite_ref-merck_78-3" class="reference"><a href="#cite_note-merck-78"><span class="cite-bracket">&#91;</span>78<span class="cite-bracket">&#93;</span></a></sup> Because the ethanol molecule also has a nonpolar end, it will also dissolve nonpolar substances, including most <a href="/wiki/Essential_oil" title="Essential oil">essential oils</a><sup id="cite_ref-merckoils_83-0" class="reference"><a href="#cite_note-merckoils-83"><span class="cite-bracket">&#91;</span>83<span class="cite-bracket">&#93;</span></a></sup> and numerous flavoring, coloring, and medicinal agents. </p><p>The addition of even a few percent of ethanol to water sharply reduces the <a href="/wiki/Surface_tension" title="Surface tension">surface tension</a> of water. This property partially explains the "<a href="/wiki/Tears_of_wine" title="Tears of wine">tears of wine</a>" phenomenon. When wine is swirled in a glass, ethanol evaporates quickly from the thin film of wine on the wall of the glass. As the wine's ethanol content decreases, its surface tension increases and the thin film "beads up" and runs down the glass in channels rather than as a smooth sheet. </p> <div class="mw-heading mw-heading3"><h3 id="Azeotrope_with_water">Azeotrope with water</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=10" title="Edit section: Azeotrope with water"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>At atmospheric pressure, mixtures of ethanol and water form an <a href="/wiki/Azeotrope" title="Azeotrope">azeotrope</a> at about 89.4&#160;<a href="/wiki/Mol%25" class="mw-redirect" title="Mol%">mol%</a> ethanol (95.6% ethanol by mass,<sup id="cite_ref-NIST-SR1828_84-0" class="reference"><a href="#cite_note-NIST-SR1828-84"><span class="cite-bracket">&#91;</span>84<span class="cite-bracket">&#93;</span></a></sup> 97% <a href="/wiki/Alcohol_by_volume" title="Alcohol by volume">alcohol by volume</a>), with a boiling point of 351.3&#160;K (78.1&#160;°C).<sup id="cite_ref-PembertonMash_85-0" class="reference"><a href="#cite_note-PembertonMash-85"><span class="cite-bracket">&#91;</span>85<span class="cite-bracket">&#93;</span></a></sup> At lower pressure, the composition of the ethanol-water azeotrope shifts to more ethanol-rich mixtures.<sup id="cite_ref-Beebe1942_86-0" class="reference"><a href="#cite_note-Beebe1942-86"><span class="cite-bracket">&#91;</span>86<span class="cite-bracket">&#93;</span></a></sup> The minimum-pressure azeotrope has an ethanol fraction of 100%<sup id="cite_ref-Beebe1942_86-1" class="reference"><a href="#cite_note-Beebe1942-86"><span class="cite-bracket">&#91;</span>86<span class="cite-bracket">&#93;</span></a></sup> and a boiling point of 306&#160;K (33&#160;°C),<sup id="cite_ref-PembertonMash_85-1" class="reference"><a href="#cite_note-PembertonMash-85"><span class="cite-bracket">&#91;</span>85<span class="cite-bracket">&#93;</span></a></sup> corresponding to a pressure of roughly 70&#160;<a href="/wiki/Torr" title="Torr">torr</a> (9.333&#160;kPa).<sup id="cite_ref-PressureSwingDistillation_87-0" class="reference"><a href="#cite_note-PressureSwingDistillation-87"><span class="cite-bracket">&#91;</span>87<span class="cite-bracket">&#93;</span></a></sup> Below this pressure, there is no azeotrope, and it is possible to distill absolute ethanol from an ethanol-water mixture.<sup id="cite_ref-PressureSwingDistillation_87-1" class="reference"><a href="#cite_note-PressureSwingDistillation-87"><span class="cite-bracket">&#91;</span>87<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Flammability">Flammability</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=11" title="Edit section: Flammability"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>An ethanol–water solution will catch fire if heated above a temperature called its <a href="/wiki/Flash_point" title="Flash point">flash point</a> and an ignition source is then applied to it.<sup id="cite_ref-flash_point_88-0" class="reference"><a href="#cite_note-flash_point-88"><span class="cite-bracket">&#91;</span>88<span class="cite-bracket">&#93;</span></a></sup> For 20% alcohol by mass (about 25% by volume), this will occur at about 25&#160;°C (77&#160;°F). The flash point of pure ethanol is 13&#160;°C (55&#160;°F),<sup id="cite_ref-NFPA_325_89-0" class="reference"><a href="#cite_note-NFPA_325-89"><span class="cite-bracket">&#91;</span>89<span class="cite-bracket">&#93;</span></a></sup> but may be influenced very slightly by atmospheric composition such as pressure and humidity. Ethanol mixtures can ignite below average room temperature. Ethanol is considered a flammable liquid (Class 3 Hazardous Material) in concentrations above 2.35% by mass (3.0% by volume; 6 <a href="/wiki/Alcohol_proof" title="Alcohol proof">proof</a>).<sup id="cite_ref-49_CFR_173.120_90-0" class="reference"><a href="#cite_note-49_CFR_173.120-90"><span class="cite-bracket">&#91;</span>90<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Martínez_et_al_91-0" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-49_CFR_172.101_92-0" class="reference"><a href="#cite_note-49_CFR_172.101-92"><span class="cite-bracket">&#91;</span>92<span class="cite-bracket">&#93;</span></a></sup> Dishes using burning alcohol for culinary effects are called <a href="/wiki/Flamb%C3%A9" title="Flambé">flambé</a>. </p> <table class="wikitable mw-collapsible mw-collapsed" style="white-space: nowrap; text-align: center;"> <caption>Flash points of ethanol–water mixtures<sup id="cite_ref-Ha_et_al_93-0" class="reference"><a href="#cite_note-Ha_et_al-93"><span class="cite-bracket">&#91;</span>93<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Martínez_et_al_91-1" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-eng_94-0" class="reference"><a href="#cite_note-eng-94"><span class="cite-bracket">&#91;</span>94<span class="cite-bracket">&#93;</span></a></sup> </caption> <tbody><tr> <th rowspan="2">Ethanol<br /> <a href="/wiki/Mole_fraction" title="Mole fraction">mole fraction</a>,&#160;% </th> <th colspan="2">Temperature </th></tr> <tr> <th>°C </th> <th>°F </th></tr> <tr> <td>1</td> <td style="text-align:right;">84.5 </td> <td style="text-align:right;">184.1<sup id="cite_ref-Martínez_et_al_91-2" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>2</td> <td style="text-align:right;">64 </td> <td style="text-align:right;">147<sup id="cite_ref-Martínez_et_al_91-3" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>2.35</td> <td style="text-align:right;">60 </td> <td style="text-align:right;">140<sup id="cite_ref-Martínez_et_al_91-4" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-49_CFR_173.120_90-1" class="reference"><a href="#cite_note-49_CFR_173.120-90"><span class="cite-bracket">&#91;</span>90<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>3</td> <td style="text-align:right;">51.5 </td> <td style="text-align:right;">124.7<sup id="cite_ref-Martínez_et_al_91-5" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>5</td> <td style="text-align:right;">43 </td> <td style="text-align:right;">109<sup id="cite_ref-Ha_et_al_93-1" class="reference"><a href="#cite_note-Ha_et_al-93"><span class="cite-bracket">&#91;</span>93<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>6</td> <td style="text-align:right;">39.5 </td> <td style="text-align:right;">103.1<sup id="cite_ref-Martínez_et_al_91-6" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>10</td> <td style="text-align:right;">31 </td> <td style="text-align:right;">88<sup id="cite_ref-Ha_et_al_93-2" class="reference"><a href="#cite_note-Ha_et_al-93"><span class="cite-bracket">&#91;</span>93<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>20</td> <td style="text-align:right;">25 </td> <td style="text-align:right;">77<sup id="cite_ref-Martínez_et_al_91-7" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>30</td> <td style="text-align:right;">24 </td> <td style="text-align:right;">75<sup id="cite_ref-Ha_et_al_93-3" class="reference"><a href="#cite_note-Ha_et_al-93"><span class="cite-bracket">&#91;</span>93<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>50</td> <td style="text-align:right;">20 </td> <td style="text-align:right;">68<sup id="cite_ref-Ha_et_al_93-4" class="reference"><a href="#cite_note-Ha_et_al-93"><span class="cite-bracket">&#91;</span>93<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Martínez_et_al_91-8" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>70</td> <td style="text-align:right;">16 </td> <td style="text-align:right;">61<sup id="cite_ref-Ha_et_al_93-5" class="reference"><a href="#cite_note-Ha_et_al-93"><span class="cite-bracket">&#91;</span>93<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>80</td> <td style="text-align:right;">15.8 </td> <td style="text-align:right;">60.4<sup id="cite_ref-Martínez_et_al_91-9" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>90</td> <td style="text-align:right;">14 </td> <td style="text-align:right;">57<sup id="cite_ref-Ha_et_al_93-6" class="reference"><a href="#cite_note-Ha_et_al-93"><span class="cite-bracket">&#91;</span>93<span class="cite-bracket">&#93;</span></a></sup> </td></tr> <tr> <td>100</td> <td style="text-align:right;">12.5 </td> <td style="text-align:right;">54.5<sup id="cite_ref-Ha_et_al_93-7" class="reference"><a href="#cite_note-Ha_et_al-93"><span class="cite-bracket">&#91;</span>93<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Martínez_et_al_91-10" class="reference"><a href="#cite_note-Martínez_et_al-91"><span class="cite-bracket">&#91;</span>91<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-NFPA_325_89-1" class="reference"><a href="#cite_note-NFPA_325-89"><span class="cite-bracket">&#91;</span>89<span class="cite-bracket">&#93;</span></a></sup> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Natural_occurrence">Natural occurrence</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=12" title="Edit section: Natural occurrence"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethanol is a byproduct of the metabolic process of yeast. As such, ethanol will be present in any yeast habitat. Ethanol can commonly be found in overripe fruit.<sup id="cite_ref-95" class="reference"><a href="#cite_note-95"><span class="cite-bracket">&#91;</span>95<span class="cite-bracket">&#93;</span></a></sup> Ethanol produced by symbiotic yeast can be found in <a href="/wiki/Palm_wine" title="Palm wine">bertam palm</a> blossoms. Although some animal species, such as the <a href="/wiki/Pentailed_treeshrew" class="mw-redirect" title="Pentailed treeshrew">pentailed treeshrew</a>, exhibit ethanol-seeking behaviors, most show no interest or avoidance of food sources containing ethanol.<sup id="cite_ref-96" class="reference"><a href="#cite_note-96"><span class="cite-bracket">&#91;</span>96<span class="cite-bracket">&#93;</span></a></sup> Ethanol is also produced during the germination of many plants as a result of natural <a href="/wiki/Anaerobiosis" class="mw-redirect" title="Anaerobiosis">anaerobiosis</a>.<sup id="cite_ref-97" class="reference"><a href="#cite_note-97"><span class="cite-bracket">&#91;</span>97<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol has been detected in <a href="/wiki/Outer_space" title="Outer space">outer space</a>, forming an icy coating around dust grains in <a href="/wiki/Interstellar_cloud" title="Interstellar cloud">interstellar clouds</a>.<sup id="cite_ref-98" class="reference"><a href="#cite_note-98"><span class="cite-bracket">&#91;</span>98<span class="cite-bracket">&#93;</span></a></sup> Minute quantity amounts (average 196 <a href="/wiki/Parts_per_billion" class="mw-redirect" title="Parts per billion">ppb</a>) of endogenous ethanol and acetaldehyde were found in the exhaled breath of healthy volunteers.<sup id="cite_ref-99" class="reference"><a href="#cite_note-99"><span class="cite-bracket">&#91;</span>99<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Auto-brewery_syndrome" title="Auto-brewery syndrome">Auto-brewery syndrome</a>, also known as gut fermentation syndrome, is a rare medical condition in which intoxicating quantities of ethanol are produced through <a href="/wiki/Endogenous" class="mw-redirect" title="Endogenous">endogenous</a> <a href="/wiki/Fermentation" title="Fermentation">fermentation</a> within the <a href="/wiki/Digestive_system" class="mw-redirect" title="Digestive system">digestive system</a>.<sup id="cite_ref-100" class="reference"><a href="#cite_note-100"><span class="cite-bracket">&#91;</span>100<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Production">Production</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=13" title="Edit section: Production"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Ethanol_Flasche.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Ethanol_Flasche.jpg/170px-Ethanol_Flasche.jpg" decoding="async" width="170" height="271" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Ethanol_Flasche.jpg/255px-Ethanol_Flasche.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Ethanol_Flasche.jpg/340px-Ethanol_Flasche.jpg 2x" data-file-width="382" data-file-height="609" /></a><figcaption>94% denatured ethanol sold in a bottle for household use</figcaption></figure> <p>Ethanol is produced both as a <a href="/wiki/Petrochemical" title="Petrochemical">petrochemical</a>, through the hydration of <a href="/wiki/Ethylene" title="Ethylene">ethylene</a> and, via biological processes, by fermenting <a href="/wiki/Sugar" title="Sugar">sugars</a> with <a href="/wiki/Yeast" title="Yeast">yeast</a>.<sup id="cite_ref-Mills-Ecklund_101-0" class="reference"><a href="#cite_note-Mills-Ecklund-101"><span class="cite-bracket">&#91;</span>101<span class="cite-bracket">&#93;</span></a></sup> Which process is more economical depends on prevailing prices of <a href="/wiki/Petroleum" title="Petroleum">petroleum</a> and grain feed stocks. </p> <div class="mw-heading mw-heading3"><h3 id="Sources">Sources</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=14" title="Edit section: Sources"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>World production of ethanol in 2006 was 51 gigalitres (1.3<span style="margin:0 .15em 0 .25em">×</span>10<sup>10</sup>&#160;US&#160;gal), with 69% of the world supply coming from Brazil and the U.S.<sup id="cite_ref-:0_19-1" class="reference"><a href="#cite_note-:0-19"><span class="cite-bracket">&#91;</span>19<span class="cite-bracket">&#93;</span></a></sup> Brazilian ethanol is produced from sugarcane, which has relatively high yields (830% more fuel than the fossil fuels used to produce it) compared to some other <a href="/wiki/Energy_crop" title="Energy crop">energy crops</a>.<sup id="cite_ref-WaPo-Brazil_102-0" class="reference"><a href="#cite_note-WaPo-Brazil-102"><span class="cite-bracket">&#91;</span>102<span class="cite-bracket">&#93;</span></a></sup> Sugarcane not only has a greater concentration of sucrose than corn (by about 30%), but is also much easier to extract. The <a href="/wiki/Bagasse" title="Bagasse">bagasse</a> generated by the process is not discarded, but burned by power plants to produce electricity. Bagasse burning accounts for around 9% of the electricity produced in Brazil.<sup id="cite_ref-103" class="reference"><a href="#cite_note-103"><span class="cite-bracket">&#91;</span>103<span class="cite-bracket">&#93;</span></a></sup> </p><p>In the 1970s most industrial ethanol in the U.S. was made as a petrochemical, but in the 1980s the U.S. introduced subsidies for <a href="/wiki/Corn-based_ethanol" class="mw-redirect" title="Corn-based ethanol">corn-based ethanol</a>.<sup id="cite_ref-WittcoffReuben2004_104-0" class="reference"><a href="#cite_note-WittcoffReuben2004-104"><span class="cite-bracket">&#91;</span>104<span class="cite-bracket">&#93;</span></a></sup> According to the Renewable Fuels Association, as of 30 October 2007, 131 grain ethanol bio-refineries in the U.S. have the capacity to produce 7<span style="margin-left:0.2em">×<span style="margin-left:0.1em">10</span></span><s style="display:none">^</s><sup>9</sup>&#160;US&#160;gal (26,000,000&#160;m<sup>3</sup>) of ethanol per year. An additional 72 construction projects underway (in the U.S.) can add 6.4&#160;billion US gallons (24,000,000&#160;m<sup>3</sup>) of new capacity in the next 18 months.<sup id="cite_ref-rfa1_50-1" class="reference"><a href="#cite_note-rfa1-50"><span class="cite-bracket">&#91;</span>50<span class="cite-bracket">&#93;</span></a></sup> </p><p>In India ethanol is made from sugarcane.<sup id="cite_ref-105" class="reference"><a href="#cite_note-105"><span class="cite-bracket">&#91;</span>105<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Sweet_sorghum" title="Sweet sorghum">Sweet sorghum</a> is another potential source of ethanol, and is suitable for growing in dryland conditions. The <a href="/wiki/International_Crops_Research_Institute_for_the_Semi-Arid_Tropics" title="International Crops Research Institute for the Semi-Arid Tropics">International Crops Research Institute for the Semi-Arid Tropics</a> is investigating the possibility of growing sorghum as a source of fuel, food, and animal feed in arid parts of <a href="/wiki/Asia" title="Asia">Asia</a> and <a href="/wiki/Africa" title="Africa">Africa</a>.<sup id="cite_ref-106" class="reference"><a href="#cite_note-106"><span class="cite-bracket">&#91;</span>106<span class="cite-bracket">&#93;</span></a></sup> Sweet sorghum has one-third the water requirement of sugarcane over the same time period. It also requires about 22% less water than corn. The world's first sweet sorghum ethanol distillery began commercial production in 2007 in <a href="/wiki/Andhra_Pradesh" title="Andhra Pradesh">Andhra Pradesh</a>, <a href="/wiki/India" title="India">India</a>.<sup id="cite_ref-107" class="reference"><a href="#cite_note-107"><span class="cite-bracket">&#91;</span>107<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol has been produced in the laboratory by converting <a href="/wiki/Carbon_dioxide" title="Carbon dioxide">carbon dioxide</a> via biological and <a href="/wiki/Electrochemical" class="mw-redirect" title="Electrochemical">electrochemical</a> reactions.<sup id="cite_ref-108" class="reference"><a href="#cite_note-108"><span class="cite-bracket">&#91;</span>108<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-109" class="reference"><a href="#cite_note-109"><span class="cite-bracket">&#91;</span>109<span class="cite-bracket">&#93;</span></a></sup> </p> <style data-mw-deduplicate="TemplateStyles:r996643573">.mw-parser-output .block-indent{padding-left:3em;padding-right:0;overflow:hidden}</style><div class="block-indent">CO<sub>2</sub> + <span class="chemf nowrap">H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>O</span> → <span class="chemf nowrap">CH<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span>CH<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>O</span>H + side products</div> <div class="mw-heading mw-heading3"><h3 id="Hydration">Hydration</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=15" title="Edit section: Hydration"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethanol can be produced from petrochemical feed stocks, primarily by the <a href="/wiki/Acid" title="Acid">acid</a>-<a href="/wiki/Catalysis" title="Catalysis">catalyzed</a> <a href="/wiki/Hydration_reaction" title="Hydration reaction">hydration</a> of ethylene. It is often referred to as synthetic ethanol. </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub">2</sub>H<sub class="template-chem2-sub">4</sub> + H<sub class="template-chem2-sub">2</sub>O → C<sub class="template-chem2-sub">2</sub>H<sub class="template-chem2-sub">5</sub>OH</span></dd></dl> <p>The catalyst is most commonly <a href="/wiki/Phosphoric_acid" title="Phosphoric acid">phosphoric acid</a>,<sup id="cite_ref-r_and_c_110-0" class="reference"><a href="#cite_note-r_and_c-110"><span class="cite-bracket">&#91;</span>110<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-ullmann_111-0" class="reference"><a href="#cite_note-ullmann-111"><span class="cite-bracket">&#91;</span>111<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Adsorption" title="Adsorption">adsorbed</a> onto a porous support such as <a href="/wiki/Silica_gel" title="Silica gel">silica gel</a> or <a href="/wiki/Diatomaceous_earth" title="Diatomaceous earth">diatomaceous earth</a>. This catalyst was first used for large-scale ethanol production by the <a href="/wiki/Shell_Oil_Company" class="mw-redirect" title="Shell Oil Company">Shell Oil Company</a> in 1947.<sup id="cite_ref-ECT4_820_112-0" class="reference"><a href="#cite_note-ECT4_820-112"><span class="cite-bracket">&#91;</span>112<span class="cite-bracket">&#93;</span></a></sup> The reaction is carried out in the presence of high pressure steam at 300&#160;°C (572&#160;°F) where a 5:3 ethylene to steam ratio is maintained.<sup id="cite_ref-113" class="reference"><a href="#cite_note-113"><span class="cite-bracket">&#91;</span>113<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-114" class="reference"><a href="#cite_note-114"><span class="cite-bracket">&#91;</span>114<span class="cite-bracket">&#93;</span></a></sup> This process was used on an industrial scale by <a href="/wiki/Union_Carbide" title="Union Carbide">Union Carbide</a> Corporation and others. It is no longer practiced in the US as fermentation ethanol produced from corn is more economical.<sup id="cite_ref-115" class="reference"><a href="#cite_note-115"><span class="cite-bracket">&#91;</span>115<span class="cite-bracket">&#93;</span></a></sup> </p><p>In an older process, first practiced on the industrial scale in 1930 by Union Carbide<sup id="cite_ref-ECT4_817_116-0" class="reference"><a href="#cite_note-ECT4_817-116"><span class="cite-bracket">&#91;</span>116<span class="cite-bracket">&#93;</span></a></sup> but now almost entirely obsolete, ethylene was hydrated indirectly by reacting it with concentrated <a href="/wiki/Sulfuric_acid" title="Sulfuric acid">sulfuric acid</a> to produce <a href="/wiki/Ethyl_sulfate" title="Ethyl sulfate">ethyl sulfate</a>, which was <a href="/wiki/Hydrolyzed" class="mw-redirect" title="Hydrolyzed">hydrolyzed</a> to yield ethanol and regenerate the sulfuric acid:<sup id="cite_ref-s_and_h_117-0" class="reference"><a href="#cite_note-s_and_h-117"><span class="cite-bracket">&#91;</span>117<span class="cite-bracket">&#93;</span></a></sup> </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub">2</sub>H<sub class="template-chem2-sub">4</sub> + H<sub class="template-chem2-sub">2</sub>SO<sub class="template-chem2-sub">4</sub> → C<sub class="template-chem2-sub">2</sub>H<sub class="template-chem2-sub">5</sub>HSO<sub class="template-chem2-sub">4</sub></span></dd> <dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub">2</sub>H<sub class="template-chem2-sub">5</sub>HSO<sub class="template-chem2-sub">4</sub> + H<sub class="template-chem2-sub">2</sub>O → H<sub class="template-chem2-sub">2</sub>SO<sub class="template-chem2-sub">4</sub> + C<sub class="template-chem2-sub">2</sub>H<sub class="template-chem2-sub">5</sub>OH</span></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Fermentation">Fermentation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=16" title="Edit section: Fermentation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-More_citations_needed_section plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Ethanol" title="Special:EditPage/Ethanol">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>&#32;in this section. Unsourced material may be challenged and removed.</span> <span class="date-container"><i>(<span class="date">November 2024</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main articles: <a href="/wiki/Ethanol_fermentation" title="Ethanol fermentation">Ethanol fermentation</a> and <a href="/wiki/Cellulosic_ethanol" title="Cellulosic ethanol">Cellulosic ethanol</a></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Yeast_in_winemaking" title="Yeast in winemaking">Yeast in winemaking</a></div> <p>Ethanol in <a href="/wiki/Alcoholic_beverage" title="Alcoholic beverage">alcoholic beverages</a> and fuel is produced by fermentation. Certain species of yeast (e.g., <i><a href="/wiki/Saccharomyces_cerevisiae" title="Saccharomyces cerevisiae">Saccharomyces cerevisiae</a></i>) metabolize sugar (namely <a href="/wiki/Polysaccharide" title="Polysaccharide">polysaccharides</a>), producing ethanol and carbon dioxide. The chemical equations below summarize the conversion: </p> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r996643573"><div class="block-indent"><a href="/wiki/Glucose" title="Glucose"><span class="chemf nowrap">C<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">6</sub></span></span>H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">12</sub></span></span>O<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">6</sub></span></span></span></a> → 2 <span class="chemf nowrap">CH<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span>CH<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>O</span>H + 2 CO<sub>2</sub></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r996643573"><div class="block-indent"><a href="/wiki/Sucrose" title="Sucrose"><span class="chemf nowrap">C<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">12</sub></span></span>H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">22</sub></span></span>O<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">11</sub></span></span></span></a> + <span class="chemf nowrap">H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>O</span> → 4 <span class="chemf nowrap">CH<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span>CH<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>O</span>H + 4 CO<sub>2</sub></div> <p>Fermentation is the process of culturing yeast under favorable thermal conditions to produce alcohol. This process is carried out at around 35–40&#160;°C (95–104&#160;°F). Toxicity of ethanol to yeast limits the ethanol concentration obtainable by brewing; higher concentrations, therefore, are obtained by <a href="/wiki/Fortified_wine" title="Fortified wine">fortification</a> or <a href="/wiki/Distillation" title="Distillation">distillation</a>. The most ethanol-tolerant yeast strains can survive up to approximately 18% ethanol by volume. </p><p>To produce ethanol from starchy materials such as <a href="/wiki/Cereal" title="Cereal">cereals</a>, the <a href="/wiki/Starch" title="Starch">starch</a> must first be converted into sugars. In brewing <a href="/wiki/Beer" title="Beer">beer</a>, this has traditionally been accomplished by allowing the grain to germinate, or <a href="/wiki/Malt" title="Malt">malt</a>, which produces the <a href="/wiki/Enzyme" title="Enzyme">enzyme</a> <a href="/wiki/Amylase" title="Amylase">amylase</a>. When the malted grain is <a href="/wiki/Mashing" title="Mashing">mashed</a>, the amylase converts the remaining starches into sugars. </p><p>Sugars for <a href="/wiki/Ethanol_fermentation" title="Ethanol fermentation">ethanol fermentation</a> can be obtained from <a href="/wiki/Cellulose" title="Cellulose">cellulose</a>. Deployment of this technology could turn a number of cellulose-containing agricultural by-products, such as <a href="/wiki/Corncob" title="Corncob">corncobs</a>, <a href="/wiki/Straw" title="Straw">straw</a>, and <a href="/wiki/Sawdust" title="Sawdust">sawdust</a>, into renewable energy resources. Other agricultural residues such as sugarcane bagasse and energy crops such as <a href="/wiki/Switchgrass" class="mw-redirect" title="Switchgrass">switchgrass</a> may also be fermentable sugar sources.<sup id="cite_ref-118" class="reference"><a href="#cite_note-118"><span class="cite-bracket">&#91;</span>118<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Testing">Testing</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=17" title="Edit section: Testing"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:EthanolMIRInfraredSpectra.PNG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/EthanolMIRInfraredSpectra.PNG/300px-EthanolMIRInfraredSpectra.PNG" decoding="async" width="300" height="185" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/EthanolMIRInfraredSpectra.PNG/450px-EthanolMIRInfraredSpectra.PNG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/32/EthanolMIRInfraredSpectra.PNG/600px-EthanolMIRInfraredSpectra.PNG 2x" data-file-width="985" data-file-height="607" /></a><figcaption>Infrared reflection spectra of liquid ethanol, showing the −OH band centered near 3300&#160;cm<sup>−1</sup> and C−H bands near 2950&#160;cm<sup>−1</sup></figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Ethanol_near_IR_spectrum.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Ethanol_near_IR_spectrum.png/300px-Ethanol_near_IR_spectrum.png" decoding="async" width="300" height="209" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Ethanol_near_IR_spectrum.png/450px-Ethanol_near_IR_spectrum.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/dd/Ethanol_near_IR_spectrum.png/600px-Ethanol_near_IR_spectrum.png 2x" data-file-width="3500" data-file-height="2442" /></a><figcaption><a href="/wiki/Near-infrared_spectrum" class="mw-redirect" title="Near-infrared spectrum">Near-infrared spectrum</a> of liquid ethanol</figcaption></figure> <p>Breweries and <a href="/wiki/Biofuel" title="Biofuel">biofuel</a> plants employ two methods for measuring ethanol concentration. Infrared ethanol sensors measure the vibrational frequency of dissolved ethanol using the C−H band at 2900&#160;cm<sup>−1</sup>. This method uses a relatively inexpensive solid-state sensor that compares the C−H band with a reference band to calculate the ethanol content. The calculation makes use of the <a href="/wiki/Beer%E2%80%93Lambert_law" title="Beer–Lambert law">Beer–Lambert law</a>. Alternatively, by measuring the density of the starting material and the density of the product, using a <a href="/wiki/Hydrometer" title="Hydrometer">hydrometer</a>, the change in specific gravity during fermentation indicates the alcohol content. This inexpensive and indirect method has a long history in the beer brewing industry. </p> <div class="mw-heading mw-heading2"><h2 id="Purification">Purification</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=18" title="Edit section: Purification"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethylene hydration or brewing produces an ethanol–water mixture. For most industrial and fuel uses, the ethanol must be purified. <a href="/wiki/Fractional_distillation" title="Fractional distillation">Fractional distillation</a> at atmospheric pressure can concentrate ethanol to 95.6% by weight (89.5 mole%). This mixture is an azeotrope with a boiling point of 78.1&#160;°C (172.6&#160;°F), and <i>cannot</i> be further purified by distillation. Addition of an entraining agent, such as benzene, <a href="/wiki/Cyclohexane" title="Cyclohexane">cyclohexane</a>, or <a href="/wiki/Heptane" title="Heptane">heptane</a>, allows a new ternary azeotrope comprising the ethanol, water, and the entraining agent to be formed. This lower-boiling ternary azeotrope is removed preferentially, leading to water-free ethanol.<sup id="cite_ref-ullmann_111-1" class="reference"><a href="#cite_note-ullmann-111"><span class="cite-bracket">&#91;</span>111<span class="cite-bracket">&#93;</span></a></sup> </p><p>Apart from distillation, ethanol may be dried by addition of a <a href="/wiki/Desiccant" title="Desiccant">desiccant</a>, such as <a href="/wiki/Molecular_sieves" class="mw-redirect" title="Molecular sieves">molecular sieves</a>, cellulose, or <a href="/wiki/Cornmeal" title="Cornmeal">cornmeal</a>. The desiccants can be dried and reused.<sup id="cite_ref-ullmann_111-2" class="reference"><a href="#cite_note-ullmann-111"><span class="cite-bracket">&#91;</span>111<span class="cite-bracket">&#93;</span></a></sup> <a href="/wiki/Molecular_sieve" title="Molecular sieve">Molecular sieves</a> can be used to selectively absorb the water from the 95.6% ethanol solution.<sup id="cite_ref-119" class="reference"><a href="#cite_note-119"><span class="cite-bracket">&#91;</span>119<span class="cite-bracket">&#93;</span></a></sup> Molecular sieves of pore-size 3&#160;<a href="/wiki/%C3%85ngstrom" class="mw-redirect" title="Ångstrom">Ångstrom</a>, a type of <a href="/wiki/Zeolite" title="Zeolite">zeolite</a>, effectively sequester water molecules while excluding ethanol molecules. Heating the wet sieves drives out the water, allowing regeneration of their desiccant capability.<sup id="cite_ref-120" class="reference"><a href="#cite_note-120"><span class="cite-bracket">&#91;</span>120<span class="cite-bracket">&#93;</span></a></sup> </p><p>Membranes can also be used to separate ethanol and water. Membrane-based separations are not subject to the limitations of the water-ethanol azeotrope because the separations are not based on vapor-liquid equilibria. Membranes are often used in the so-called hybrid membrane distillation process. This process uses a pre-concentration distillation column as the first separating step. The further separation is then accomplished with a membrane operated either in vapor permeation or pervaporation mode. Vapor permeation uses a vapor membrane feed and pervaporation uses a liquid membrane feed. </p><p>A variety of other techniques have been discussed, including the following:<sup id="cite_ref-ullmann_111-3" class="reference"><a href="#cite_note-ullmann-111"><span class="cite-bracket">&#91;</span>111<span class="cite-bracket">&#93;</span></a></sup> </p> <ul><li>Salting using <a href="/wiki/Potassium_carbonate" title="Potassium carbonate">potassium carbonate</a> to exploit its insolubility will cause a phase separation with ethanol and water. This offers a very small potassium carbonate impurity to the alcohol that can be removed by distillation. This method is very useful in purification of ethanol by distillation, as ethanol forms an <a href="/wiki/Azeotrope" title="Azeotrope">azeotrope</a> with water.</li> <li>Direct <a href="/wiki/Electrochemical_reduction_of_carbon_dioxide" title="Electrochemical reduction of carbon dioxide">electrochemical reduction of carbon dioxide</a> to ethanol under ambient conditions using <a href="/wiki/Copper_nanoparticle" title="Copper nanoparticle">copper nanoparticles</a> on a carbon nanospike film as the catalyst;<sup id="cite_ref-121" class="reference"><a href="#cite_note-121"><span class="cite-bracket">&#91;</span>121<span class="cite-bracket">&#93;</span></a></sup></li> <li>Extraction of ethanol from grain mash by <a href="/wiki/Supercritical_carbon_dioxide" title="Supercritical carbon dioxide">supercritical carbon dioxide</a>;</li> <li><a href="/wiki/Pervaporation" title="Pervaporation">Pervaporation</a>;</li> <li><a href="/wiki/Fractional_freezing" title="Fractional freezing">Fractional freezing</a> is also used to concentrate fermented alcoholic solutions, such as traditionally made <a href="/wiki/Applejack_(beverage)" class="mw-redirect" title="Applejack (beverage)">Applejack (beverage)</a>;</li> <li><a href="/wiki/Pressure_swing_adsorption" title="Pressure swing adsorption">Pressure swing adsorption</a>.<sup id="cite_ref-122" class="reference"><a href="#cite_note-122"><span class="cite-bracket">&#91;</span>122<span class="cite-bracket">&#93;</span></a></sup></li></ul> <div class="mw-heading mw-heading3"><h3 id="Grades_of_ethanol">Grades of ethanol</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=19" title="Edit section: Grades of ethanol"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Denatured_alcohol" title="Denatured alcohol">Denatured alcohol</a></div> <p>Pure ethanol and alcoholic beverages are heavily <a href="/wiki/Sin_tax" title="Sin tax">taxed</a> as psychoactive drugs, but ethanol has many uses that do not involve its consumption. To relieve the tax burden on these uses, most jurisdictions waive the tax when an agent has been added to the ethanol to render it unfit to drink. These include <a href="/wiki/Bitterant" title="Bitterant">bittering agents</a> such as <a href="/wiki/Denatonium_benzoate" class="mw-redirect" title="Denatonium benzoate">denatonium benzoate</a> and toxins such as methanol, <a href="/wiki/Naphtha" title="Naphtha">naphtha</a>, and pyridine. Products of this kind are called <i>denatured alcohol.</i><sup id="cite_ref-123" class="reference"><a href="#cite_note-123"><span class="cite-bracket">&#91;</span>123<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-124" class="reference"><a href="#cite_note-124"><span class="cite-bracket">&#91;</span>124<span class="cite-bracket">&#93;</span></a></sup> </p><p>Absolute or anhydrous alcohol refers to ethanol with a low water content. There are various grades with maximum water contents ranging from 1% to a few parts per million (ppm). If <a href="/wiki/Azeotropic_distillation" title="Azeotropic distillation">azeotropic distillation</a> is used to remove water, it will contain trace amounts of the material separation agent (e.g. benzene).<sup id="cite_ref-125" class="reference"><a href="#cite_note-125"><span class="cite-bracket">&#91;</span>125<span class="cite-bracket">&#93;</span></a></sup> Absolute alcohol is not intended for human consumption. Absolute ethanol is used as a solvent for laboratory and industrial applications, where water will react with other chemicals, and as fuel alcohol. Spectroscopic ethanol is an absolute ethanol with a low absorbance in <a href="/wiki/Ultraviolet" title="Ultraviolet">ultraviolet</a> and visible light, fit for use as a solvent in <a href="/wiki/Ultraviolet-visible_spectroscopy" class="mw-redirect" title="Ultraviolet-visible spectroscopy">ultraviolet-visible spectroscopy</a>.<sup id="cite_ref-126" class="reference"><a href="#cite_note-126"><span class="cite-bracket">&#91;</span>126<span class="cite-bracket">&#93;</span></a></sup> Pure ethanol is classed as 200 <a href="/wiki/Proof_(alcohol)" class="mw-redirect" title="Proof (alcohol)">proof</a> in the US, equivalent to 175 degrees proof in the UK system.<sup id="cite_ref-Andrews2007_127-0" class="reference"><a href="#cite_note-Andrews2007-127"><span class="cite-bracket">&#91;</span>127<span class="cite-bracket">&#93;</span></a></sup> Rectified spirit, an azeotropic composition of 96% ethanol containing 4% water, is used instead of anhydrous ethanol for various purposes. Spirits of wine are about 94% ethanol (188 proof). The impurities are different from those in 95% (190 proof) laboratory ethanol.<sup id="cite_ref-128" class="reference"><a href="#cite_note-128"><span class="cite-bracket">&#91;</span>128<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Reactions">Reactions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=20" title="Edit section: Reactions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-More_citations_needed_section plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Ethanol" title="Special:EditPage/Ethanol">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>&#32;in this section. Unsourced material may be challenged and removed.</span> <span class="date-container"><i>(<span class="date">November 2024</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Alcohol_(chemistry)" title="Alcohol (chemistry)">Alcohol (chemistry)</a></div> <p>Ethanol is classified as a primary alcohol, meaning that the carbon that its hydroxyl group attaches to has at least two hydrogen atoms attached to it as well. Many ethanol reactions occur at its hydroxyl group. </p> <div class="mw-heading mw-heading3"><h3 id="Ester_formation">Ester formation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=21" title="Edit section: Ester formation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In the presence of acid catalysts, ethanol reacts with <a href="/wiki/Carboxylic_acid" title="Carboxylic acid">carboxylic acids</a> to produce ethyl esters and water: </p> <dl><dd><a href="/wiki/Carboxylic_acid" title="Carboxylic acid">RCOOH</a> + HOCH<sub>2</sub>CH<sub>3</sub> → <a href="/wiki/Ester" title="Ester">RCOOCH<sub>2</sub>CH<sub>3</sub></a> + H<sub>2</sub>O</dd></dl> <p>This reaction, which is conducted on large scale industrially, requires the removal of the water from the reaction mixture as it is formed. Esters react in the presence of an acid or base to give back the alcohol and a salt. This reaction is known as <a href="/wiki/Saponification" title="Saponification">saponification</a> because it is used in the preparation of soap. Ethanol can also form esters with inorganic acids. <a href="/wiki/Diethyl_sulfate" title="Diethyl sulfate">Diethyl sulfate</a> and <a href="/wiki/Triethyl_phosphate" title="Triethyl phosphate">triethyl phosphate</a> are prepared by treating ethanol with sulfur trioxide and <a href="/wiki/Phosphorus_pentoxide" title="Phosphorus pentoxide">phosphorus pentoxide</a> respectively. Diethyl sulfate is a useful ethylating agent in <a href="/wiki/Organic_synthesis" title="Organic synthesis">organic synthesis</a>. <a href="/wiki/Ethyl_nitrite" title="Ethyl nitrite">Ethyl nitrite</a>, prepared from the reaction of ethanol with <a href="/wiki/Sodium_nitrite" title="Sodium nitrite">sodium nitrite</a> and sulfuric acid, was formerly used as a <a href="/wiki/Diuretic" title="Diuretic">diuretic</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Dehydration">Dehydration</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=22" title="Edit section: Dehydration"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In the presence of acid catalysts, alcohols can be converted to alkenes such as ethanol to ethylene. Typically <a href="/wiki/Solid_acid" title="Solid acid">solid acids</a> such as <a href="/wiki/Alumina" class="mw-redirect" title="Alumina">alumina</a> are used.<sup id="cite_ref-UllmannEthylene_129-0" class="reference"><a href="#cite_note-UllmannEthylene-129"><span class="cite-bracket">&#91;</span>129<span class="cite-bracket">&#93;</span></a></sup> </p> <dl><dd>CH<sub>3</sub>CH<sub>2</sub>OH → H<sub>2</sub>C=CH<sub>2</sub> + H<sub>2</sub>O</dd></dl> <p>Since water is removed from the same molecule, the reaction is known as <a href="/wiki/Dehydration_of_alcohols_to_alkenes" class="mw-redirect" title="Dehydration of alcohols to alkenes">intramolecular dehydration</a>. Intramolecular dehydration of an alcohol requires a high temperature and the presence of an acid catalyst such as sulfuric acid.<sup id="cite_ref-130" class="reference"><a href="#cite_note-130"><span class="cite-bracket">&#91;</span>130<span class="cite-bracket">&#93;</span></a></sup> Ethylene produced from sugar-derived ethanol (primarily in Brazil) competes with ethylene produced from petrochemical feedstocks such as naphtha and ethane.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (November 2024)">citation needed</span></a></i>&#93;</sup> At a lower temperature than that of intramolecular dehydration, <a href="/wiki/Dehydration_reaction" title="Dehydration reaction">intermolecular alcohol dehydration</a> may occur producing a symmetrical ether. This is a <a href="/wiki/Condensation_reaction" title="Condensation reaction">condensation reaction</a>. In the following example, diethyl ether is produced from ethanol: </p> <dl><dd>2 CH<sub>3</sub>CH<sub>2</sub>OH → CH<sub>3</sub>CH<sub>2</sub>OCH<sub>2</sub>CH<sub>3</sub> + H<sub>2</sub>O<sup id="cite_ref-131" class="reference"><a href="#cite_note-131"><span class="cite-bracket">&#91;</span>131<span class="cite-bracket">&#93;</span></a></sup></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Combustion">Combustion</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=23" title="Edit section: Combustion"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Complete combustion of ethanol forms carbon dioxide and water: </p> <dl><dd>C<sub>2</sub>H<sub>5</sub>OH (l) + 3 O<sub>2</sub> (g) → 2 CO<sub>2</sub> (g) + 3 H<sub>2</sub>O (l); −Δ<sub>c</sub><i>H</i> = 1371&#160;kJ/mol<sup id="cite_ref-132" class="reference"><a href="#cite_note-132"><span class="cite-bracket">&#91;</span>132<span class="cite-bracket">&#93;</span></a></sup> = 29.8&#160;kJ/g = 327&#160;kcal/mol = 7.1&#160;kcal/g</dd></dl> <dl><dd>C<sub>2</sub>H<sub>5</sub>OH (l) + 3 O<sub>2</sub> (g) → 2 CO<sub>2</sub> (g) + 3 H<sub>2</sub>O (g); −Δ<sub>c</sub><i>H</i> = 1236&#160;kJ/mol = 26.8&#160;kJ/g = 295.4&#160;kcal/mol = 6.41 kcal/g<sup id="cite_ref-133" class="reference"><a href="#cite_note-133"><span class="cite-bracket">&#91;</span>133<span class="cite-bracket">&#93;</span></a></sup></dd></dl> <p>Specific heat = 2.44 kJ/(kg·K) </p> <div class="mw-heading mw-heading3"><h3 id="Acid-base_chemistry">Acid-base chemistry</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=24" title="Edit section: Acid-base chemistry"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethanol is a neutral molecule and the <a href="/wiki/PH" title="PH">pH</a> of a solution of ethanol in water is nearly 7.00. Ethanol can be quantitatively converted to its <a href="/wiki/Conjugate_base" class="mw-redirect" title="Conjugate base">conjugate base</a>, the <a href="/wiki/Alkoxide" title="Alkoxide">ethoxide</a> ion (CH<sub>3</sub>CH<sub>2</sub>O<sup>−</sup>), by reaction with an <a href="/wiki/Alkali_metal" title="Alkali metal">alkali metal</a> such as <a href="/wiki/Sodium" title="Sodium">sodium</a>:<sup id="cite_ref-m_and_b_79-1" class="reference"><a href="#cite_note-m_and_b-79"><span class="cite-bracket">&#91;</span>79<span class="cite-bracket">&#93;</span></a></sup> </p> <dl><dd>2 CH<sub>3</sub>CH<sub>2</sub>OH + 2 Na → 2 CH<sub>3</sub>CH<sub>2</sub>ONa + H<sub>2</sub></dd></dl> <p>or a very strong base such as <a href="/wiki/Sodium_hydride" title="Sodium hydride">sodium hydride</a>: </p> <dl><dd>CH<sub>3</sub>CH<sub>2</sub>OH + NaH → CH<sub>3</sub>CH<sub>2</sub>ONa + H<sub>2</sub></dd></dl> <p>The acidities of water and ethanol are nearly the same, as indicated by their <a href="/wiki/Acid_dissociation_constant" title="Acid dissociation constant">pKa</a> of 15.7 and 16 respectively. Thus, sodium ethoxide and sodium hydroxide exist in an equilibrium that is closely balanced: </p> <dl><dd>CH<sub>3</sub>CH<sub>2</sub>OH + NaOH ⇌ CH<sub>3</sub>CH<sub>2</sub>ONa + H<sub>2</sub>O</dd></dl> <div class="mw-heading mw-heading3"><h3 id="Halogenation">Halogenation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=25" title="Edit section: Halogenation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethanol is not used industrially as a precursor to ethyl halides, but the reactions are illustrative. Ethanol reacts with <a href="/wiki/Hydrogen_halide" title="Hydrogen halide">hydrogen halides</a> to produce <a href="/wiki/Haloalkane" title="Haloalkane">ethyl halides</a> such as <a href="/wiki/Ethyl_chloride" class="mw-redirect" title="Ethyl chloride">ethyl chloride</a> and <a href="/wiki/Ethyl_bromide" class="mw-redirect" title="Ethyl bromide">ethyl bromide</a> via an <a href="/wiki/SN2_reaction" title="SN2 reaction">S<sub>N</sub>2 reaction</a>: </p> <dl><dd>CH<sub>3</sub>CH<sub>2</sub>OH + <a href="/wiki/Hydrogen_chloride" title="Hydrogen chloride">HCl</a> → CH<sub>3</sub>CH<sub>2</sub>Cl + H<sub>2</sub>O</dd></dl> <p>HCl requires a catalyst such as <a href="/wiki/Zinc_chloride" title="Zinc chloride">zinc chloride</a>.<sup id="cite_ref-s_and_h_117-1" class="reference"><a href="#cite_note-s_and_h-117"><span class="cite-bracket">&#91;</span>117<span class="cite-bracket">&#93;</span></a></sup> HBr requires <a href="/wiki/Refluxing" class="mw-redirect" title="Refluxing">refluxing</a> with a sulfuric acid catalyst.<sup id="cite_ref-s_and_h_117-2" class="reference"><a href="#cite_note-s_and_h-117"><span class="cite-bracket">&#91;</span>117<span class="cite-bracket">&#93;</span></a></sup> Ethyl halides can, in principle, also be produced by treating ethanol with more specialized <a href="/wiki/Halogenation" title="Halogenation">halogenating agents</a>, such as <a href="/wiki/Thionyl_chloride" title="Thionyl chloride">thionyl chloride</a> or <a href="/wiki/Phosphorus_tribromide" title="Phosphorus tribromide">phosphorus tribromide</a>.<sup id="cite_ref-m_and_b_79-2" class="reference"><a href="#cite_note-m_and_b-79"><span class="cite-bracket">&#91;</span>79<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-s_and_h_117-3" class="reference"><a href="#cite_note-s_and_h-117"><span class="cite-bracket">&#91;</span>117<span class="cite-bracket">&#93;</span></a></sup> </p> <dl><dd>CH<sub>3</sub>CH<sub>2</sub>OH + SOCl<sub>2</sub> → CH<sub>3</sub>CH<sub>2</sub>Cl + SO<sub>2</sub> + HCl</dd></dl> <p>Upon treatment with halogens in the presence of base, ethanol gives the corresponding <a href="/wiki/Haloform" class="mw-redirect" title="Haloform">haloform</a> (CHX<sub>3</sub>, where X = Cl, Br, I). This conversion is called the <a href="/wiki/Haloform_reaction" title="Haloform reaction">haloform reaction</a>.<sup id="cite_ref-134" class="reference"><a href="#cite_note-134"><span class="cite-bracket">&#91;</span>134<span class="cite-bracket">&#93;</span></a></sup> An intermediate in the reaction with chlorine is the <a href="/wiki/Aldehyde" title="Aldehyde">aldehyde</a> called <a href="/wiki/Chloral" title="Chloral">chloral</a>, which forms <a href="/wiki/Chloral_hydrate" title="Chloral hydrate">chloral hydrate</a> upon reaction with water:<sup id="cite_ref-Ull_135-0" class="reference"><a href="#cite_note-Ull-135"><span class="cite-bracket">&#91;</span>135<span class="cite-bracket">&#93;</span></a></sup> </p> <dl><dd>4 Cl<sub>2</sub> + CH<sub>3</sub>CH<sub>2</sub>OH → CCl<sub>3</sub>CHO + 5 HCl</dd> <dd>CCl<sub>3</sub>CHO + H<sub>2</sub>O → CCl<sub>3</sub>C(OH)<sub>2</sub>H</dd></dl> <div class="mw-heading mw-heading3"><h3 id="Oxidation">Oxidation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=26" title="Edit section: Oxidation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethanol can be oxidized to acetaldehyde and further oxidized to acetic acid, depending on the reagents and conditions.<sup id="cite_ref-s_and_h_117-4" class="reference"><a href="#cite_note-s_and_h-117"><span class="cite-bracket">&#91;</span>117<span class="cite-bracket">&#93;</span></a></sup> This oxidation is of no importance industrially, but in the human body, these oxidation reactions are catalyzed by the enzyme <a href="/wiki/Liver_alcohol_dehydrogenase" class="mw-redirect" title="Liver alcohol dehydrogenase">liver ADH</a>. The oxidation product of ethanol, acetic acid, is a nutrient for humans, being a precursor to <a href="/wiki/Acetyl_CoA" class="mw-redirect" title="Acetyl CoA">acetyl CoA</a>, where the acetyl group can be spent as energy or used for biosynthesis. </p> <div class="mw-heading mw-heading3"><h3 id="Metabolism">Metabolism</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=27" title="Edit section: Metabolism"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethanol is similar to <a href="/wiki/Macronutrients" class="mw-redirect" title="Macronutrients">macronutrients</a> such as proteins, fats, and carbohydrates in that it provides calories. When consumed and metabolized, it contributes 7&#160;kilocalories per gram via <a href="/wiki/Ethanol_metabolism" class="mw-redirect" title="Ethanol metabolism">ethanol metabolism</a>.<sup id="cite_ref-136" class="reference"><a href="#cite_note-136"><span class="cite-bracket">&#91;</span>136<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Safety">Safety</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=28" title="Edit section: Safety"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Alcohol_(chemistry)#Toxicity" title="Alcohol (chemistry)">Alcohol (chemistry) §&#160;Toxicity</a></div> <p>Ethanol is very flammable and should not be used around an open flame. </p><p>Pure ethanol will irritate the skin and eyes.<sup id="cite_ref-137" class="reference"><a href="#cite_note-137"><span class="cite-bracket">&#91;</span>137<span class="cite-bracket">&#93;</span></a></sup> Nausea, <a href="/wiki/Vomiting" title="Vomiting">vomiting</a>, and intoxication are symptoms of ingestion. Long-term use by ingestion can result in serious liver damage.<sup id="cite_ref-msdset_138-0" class="reference"><a href="#cite_note-msdset-138"><span class="cite-bracket">&#91;</span>138<span class="cite-bracket">&#93;</span></a></sup> Atmospheric concentrations above one part per thousand are above the European Union <a href="/wiki/Occupational_exposure_limit" title="Occupational exposure limit">occupational exposure limits</a>.<sup id="cite_ref-msdset_138-1" class="reference"><a href="#cite_note-msdset-138"><span class="cite-bracket">&#91;</span>138<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=29" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Liquor" title="Liquor">Liquor</a></div> <p>The fermentation of sugar into ethanol is one of the earliest <a href="/wiki/Biotechnology" title="Biotechnology">biotechnologies</a> employed by humans. Ethanol has historically been identified variously as spirit of wine or ardent spirits,<sup id="cite_ref-139" class="reference"><a href="#cite_note-139"><span class="cite-bracket">&#91;</span>139<span class="cite-bracket">&#93;</span></a></sup> and as <a href="/wiki/Aqua_vitae" title="Aqua vitae">aqua vitae</a> or aqua vita. The intoxicating effects of its consumption have been known since ancient times. Ethanol has been used by humans since prehistory as the intoxicating ingredient of alcoholic beverages. Dried residue on 9,000-year-old pottery found in China suggests that <a href="/wiki/Neolithic" title="Neolithic">Neolithic</a> people consumed alcoholic beverages.<sup id="cite_ref-Roach_140-0" class="reference"><a href="#cite_note-Roach-140"><span class="cite-bracket">&#91;</span>140<span class="cite-bracket">&#93;</span></a></sup> </p><p>The inflammable nature of the exhalations of wine was already known to ancient natural philosophers such as <a href="/wiki/Aristotle" title="Aristotle">Aristotle</a> (384–322 BCE), <a href="/wiki/Theophrastus" title="Theophrastus">Theophrastus</a> (<abbr title="circa">c.</abbr><span style="white-space:nowrap;">&#8201;371</span>–287 BCE), and <a href="/wiki/Pliny_the_Elder" title="Pliny the Elder">Pliny the Elder</a> (23/24–79 CE).<sup id="cite_ref-141" class="reference"><a href="#cite_note-141"><span class="cite-bracket">&#91;</span>141<span class="cite-bracket">&#93;</span></a></sup> However, this did not immediately lead to the isolation of ethanol, despite the development of more advanced distillation techniques in second- and third-century <a href="/wiki/Roman_Egypt" title="Roman Egypt">Roman Egypt</a>.<sup id="cite_ref-142" class="reference"><a href="#cite_note-142"><span class="cite-bracket">&#91;</span>142<span class="cite-bracket">&#93;</span></a></sup> An important recognition, first found in one of the writings attributed to <a href="/wiki/Jabir_ibn_Hayyan" title="Jabir ibn Hayyan">Jābir ibn Ḥayyān</a> (ninth century CE), was that by <a href="/wiki/Salt-effect_distillation" title="Salt-effect distillation">adding salt</a> to boiling wine, which increases the wine's <a href="/wiki/Relative_volatility" title="Relative volatility">relative volatility</a>, the flammability of the resulting vapors may be enhanced.<sup id="cite_ref-143" class="reference"><a href="#cite_note-143"><span class="cite-bracket">&#91;</span>143<span class="cite-bracket">&#93;</span></a></sup> The distillation of wine is attested in Arabic works attributed to <a href="/wiki/Al-Kindi" title="Al-Kindi">al-Kindī</a> (<abbr title="circa">c.</abbr><span style="white-space:nowrap;">&#8201;801</span>–873 CE) and to <a href="/wiki/Al-Farabi" title="Al-Farabi">al-Fārābī</a> (<abbr title="circa">c.</abbr><span style="white-space:nowrap;">&#8201;872</span>–950), and in the 28th book of <a href="/wiki/Al-Zahrawi" title="Al-Zahrawi">al-Zahrāwī</a>'s (Latin: Abulcasis, 936–1013) <i>Kitāb al-Taṣrīf</i> (later translated into Latin as <i>Liber servatoris</i>).<sup id="cite_ref-144" class="reference"><a href="#cite_note-144"><span class="cite-bracket">&#91;</span>144<span class="cite-bracket">&#93;</span></a></sup> In the twelfth century, recipes for the production of <i>aqua ardens</i> ("burning water", i.e., ethanol) by distilling wine with salt started to appear in a number of Latin works, and by the end of the thirteenth century it had become a widely known substance among Western European chemists.<sup id="cite_ref-145" class="reference"><a href="#cite_note-145"><span class="cite-bracket">&#91;</span>145<span class="cite-bracket">&#93;</span></a></sup> </p><p>The works of <a href="/wiki/Taddeo_Alderotti" title="Taddeo Alderotti">Taddeo Alderotti</a> (1223–1296) describe a method for concentrating ethanol involving repeated fractional distillation through a water-cooled <a href="/wiki/Still" title="Still">still</a>, by which an ethanol purity of 90% could be obtained.<sup id="cite_ref-146" class="reference"><a href="#cite_note-146"><span class="cite-bracket">&#91;</span>146<span class="cite-bracket">&#93;</span></a></sup> The medicinal properties of ethanol were studied by <a href="/wiki/Arnald_of_Villanova" class="mw-redirect" title="Arnald of Villanova">Arnald of Villanova</a> (1240–1311 CE) and <a href="/wiki/John_of_Rupescissa" class="mw-redirect" title="John of Rupescissa">John of Rupescissa</a> (<abbr title="circa">c.</abbr><span style="white-space:nowrap;">&#8201;1310</span>–1366), the latter of whom regarded it as a life-preserving substance able to prevent all diseases (the <i>aqua vitae</i> or "water of life", also called by John the <i><a href="/wiki/Aether_(classical_element)" title="Aether (classical element)">quintessence</a></i> of wine).<sup id="cite_ref-147" class="reference"><a href="#cite_note-147"><span class="cite-bracket">&#91;</span>147<span class="cite-bracket">&#93;</span></a></sup> In <a href="/wiki/China" title="China">China</a>, archaeological evidence indicates that the true distillation of alcohol began during the <a href="/wiki/Jin_dynasty_(1115%E2%80%931234)" title="Jin dynasty (1115–1234)">Jin</a> (1115–1234) or <a href="/wiki/Southern_Song_dynasty" class="mw-redirect" title="Southern Song dynasty">Southern Song</a> (1127–1279) dynasties.<sup id="cite_ref-haw_148-0" class="reference"><a href="#cite_note-haw-148"><span class="cite-bracket">&#91;</span>148<span class="cite-bracket">&#93;</span></a></sup> A still has been found at an archaeological site in Qinglong, <a href="/wiki/Hebei" title="Hebei">Hebei</a>, dating to the 12th century.<sup id="cite_ref-haw_148-1" class="reference"><a href="#cite_note-haw-148"><span class="cite-bracket">&#91;</span>148<span class="cite-bracket">&#93;</span></a></sup> In India, the true distillation of alcohol was introduced from the Middle East, and was in wide use in the <a href="/wiki/Delhi_Sultanate" title="Delhi Sultanate">Delhi Sultanate</a> by the 14th century.<sup id="cite_ref-habib_149-0" class="reference"><a href="#cite_note-habib-149"><span class="cite-bracket">&#91;</span>149<span class="cite-bracket">&#93;</span></a></sup> </p><p>In 1796, German-Russian chemist <a href="/wiki/Johann_Tobias_Lowitz" title="Johann Tobias Lowitz">Johann Tobias Lowitz</a> obtained pure ethanol by mixing partially purified ethanol (the alcohol-water azeotrope) with an excess of anhydrous alkali and then distilling the mixture over low heat.<sup id="cite_ref-150" class="reference"><a href="#cite_note-150"><span class="cite-bracket">&#91;</span>150<span class="cite-bracket">&#93;</span></a></sup> French chemist <a href="/wiki/Antoine_Lavoisier" title="Antoine Lavoisier">Antoine Lavoisier</a> described ethanol as a compound of carbon, hydrogen, and oxygen, and in 1807 <a href="/wiki/Nicolas-Th%C3%A9odore_de_Saussure" class="mw-redirect" title="Nicolas-Théodore de Saussure">Nicolas-Théodore de Saussure</a> determined ethanol's chemical formula.<sup id="cite_ref-151" class="reference"><a href="#cite_note-151"><span class="cite-bracket">&#91;</span>151<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-152" class="reference"><a href="#cite_note-152"><span class="cite-bracket">&#91;</span>152<span class="cite-bracket">&#93;</span></a></sup> Fifty years later, <a href="/wiki/Archibald_Scott_Couper" title="Archibald Scott Couper">Archibald Scott Couper</a> published the structural formula of ethanol, one of the first structural formulas determined.<sup id="cite_ref-Couper_153-0" class="reference"><a href="#cite_note-Couper-153"><span class="cite-bracket">&#91;</span>153<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol was first prepared synthetically in 1825 by <a href="/wiki/Michael_Faraday" title="Michael Faraday">Michael Faraday</a>. He found that sulfuric acid could absorb large volumes of <a href="/wiki/Coal_gas" title="Coal gas">coal gas</a>.<sup id="cite_ref-154" class="reference"><a href="#cite_note-154"><span class="cite-bracket">&#91;</span>154<span class="cite-bracket">&#93;</span></a></sup> He gave the resulting solution to <a href="/wiki/Henry_Hennell" title="Henry Hennell">Henry Hennell</a>, a British chemist, who found in 1826 that it contained "sulphovinic acid" (ethyl hydrogen sulfate).<sup id="cite_ref-155" class="reference"><a href="#cite_note-155"><span class="cite-bracket">&#91;</span>155<span class="cite-bracket">&#93;</span></a></sup> In 1828, Hennell and the French chemist <a href="/wiki/Georges-Simon_Serullas" title="Georges-Simon Serullas">Georges-Simon Serullas</a> independently discovered that sulphovinic acid could be decomposed into ethanol.<sup id="cite_ref-Hennell_156-0" class="reference"><a href="#cite_note-Hennell-156"><span class="cite-bracket">&#91;</span>156<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-157" class="reference"><a href="#cite_note-157"><span class="cite-bracket">&#91;</span>157<span class="cite-bracket">&#93;</span></a></sup> Thus, in 1825 Faraday had unwittingly discovered that ethanol could be produced from ethylene (a component of coal gas) by <a href="/wiki/Acid_catalysis" title="Acid catalysis">acid-catalyzed</a> hydration, a process similar to current industrial ethanol synthesis.<sup id="cite_ref-158" class="reference"><a href="#cite_note-158"><span class="cite-bracket">&#91;</span>158<span class="cite-bracket">&#93;</span></a></sup> </p><p>Ethanol was used as lamp fuel in the U.S. as early as 1840, but a tax levied on industrial alcohol during the <a href="/wiki/American_Civil_War" title="American Civil War">Civil War</a> made this use uneconomical. The tax was repealed in 1906.<sup id="cite_ref-siegel_159-0" class="reference"><a href="#cite_note-siegel-159"><span class="cite-bracket">&#91;</span>159<span class="cite-bracket">&#93;</span></a></sup> Use as an automotive fuel dates back to 1908, with the <a href="/wiki/Ford_Model_T" title="Ford Model T">Ford Model T</a> able to run on <a href="/wiki/Petrol" class="mw-redirect" title="Petrol">petrol</a> (gasoline) or ethanol.<sup id="cite_ref-dipardo_160-0" class="reference"><a href="#cite_note-dipardo-160"><span class="cite-bracket">&#91;</span>160<span class="cite-bracket">&#93;</span></a></sup> It fuels some <a href="/wiki/Spirit_lamps" class="mw-redirect" title="Spirit lamps">spirit lamps</a>. </p><p>Ethanol intended for industrial use is often produced from ethylene.<sup id="cite_ref-myers_161-0" class="reference"><a href="#cite_note-myers-161"><span class="cite-bracket">&#91;</span>161<span class="cite-bracket">&#93;</span></a></sup> Ethanol has widespread use as a solvent of substances intended for human contact or consumption, including scents, flavorings, colorings, and medicines. In chemistry, it is both a solvent and a feedstock for the synthesis of other products. It has a long history as a fuel for heat and light, and more recently as a fuel for internal combustion engines. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=30" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1184024115">.mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column}</style><div class="div-col" style="column-width: 30em;"> <ul><li><a href="/wiki/Ethanol-induced_non-lamellar_phases_in_phospholipids" title="Ethanol-induced non-lamellar phases in phospholipids">Ethanol-induced non-lamellar phases in phospholipids</a></li> <li><a href="/wiki/Methanol" title="Methanol">Methanol</a></li> <li><a href="/wiki/1-Propanol" title="1-Propanol">1-Propanol</a></li> <li><a href="/wiki/2-Propanol" class="mw-redirect" title="2-Propanol">2-Propanol</a></li> <li><a href="/wiki/Rubbing_alcohol" title="Rubbing alcohol">Rubbing alcohol</a></li> <li><a href="/wiki/Tert-Butyl_alcohol" title="Tert-Butyl alcohol">tert-Butyl alcohol</a></li> <li><a href="/wiki/Butanol_fuel" title="Butanol fuel">Butanol fuel</a></li> <li><a href="/wiki/Timeline_of_alcohol_fuel" title="Timeline of alcohol fuel">Timeline of alcohol fuel</a></li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=31" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-iupac2013-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-iupac2013_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation book cs1"><i>Nomenclature of Organic Chemistry&#160;: IUPAC Recommendations and Preferred Names 2013 (Blue Book)</i>. Cambridge, UK: The <a href="/wiki/Royal_Society_of_Chemistry" title="Royal Society of Chemistry">Royal Society of Chemistry</a>. 2014. p.&#160;30. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2F9781849733069-00001">10.1039/9781849733069-00001</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-85404-182-4" title="Special:BookSources/978-0-85404-182-4"><bdi>978-0-85404-182-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Nomenclature+of+Organic+Chemistry+%3A+IUPAC+Recommendations+and+Preferred+Names+2013+%28Blue+Book%29&amp;rft.place=Cambridge%2C+UK&amp;rft.pages=30&amp;rft.pub=The+Royal+Society+of+Chemistry&amp;rft.date=2014&amp;rft_id=info%3Adoi%2F10.1039%2F9781849733069-00001&amp;rft.isbn=978-0-85404-182-4&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/Ethanol">"Ethanol"</a>. <i>PubChem</i><span class="reference-accessdate">. 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href="https://books.google.com/books?id=LHkCAAAAIAAJ&amp;pg=PA56">"The International Conference on Chemical Nomenclature"</a>. <i>Nature</i>. <b>46</b> (1177): 56–59. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1892Natur..46...56A">1892Natur..46...56A</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1038%2F046056c0">10.1038/046056c0</a></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Nature&amp;rft.atitle=The+International+Conference+on+Chemical+Nomenclature&amp;rft.volume=46&amp;rft.issue=1177&amp;rft.pages=56-59&amp;rft.date=1892&amp;rft_id=info%3Adoi%2F10.1038%2F046056c0&amp;rft_id=info%3Abibcode%2F1892Natur..46...56A&amp;rft.aulast=Armstrong&amp;rft.aufirst=Henry&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DLHkCAAAAIAAJ%26pg%3DPA56&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></li> <li>Armstrong's report is reprinted with the resolutions in English in: <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFArmstrong1892" class="citation journal cs1">Armstrong H (1892). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=RogMAQAAIAAJ&amp;pg=PA398">"The International Conference on Chemical Nomenclature"</a>. <i>The Journal of Analytical and Applied Chemistry</i>. <b>6</b> (1177): 390–400 (398). <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1892Natur..46...56A">1892Natur..46...56A</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1038%2F046056c0">10.1038/046056c0</a></span>. <q>The alcohols and the phenols will be called after the name of the hydrocarbon from which they are derived, terminated with the suffix <i>ol</i> (ex. pentanol, pentynol, etc.)</q></cite><span 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Archived from <a rel="nofollow" class="external text" href="http://www.researchandmarkets.com/reports/598475">the original</a> on 9 September 2012.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=researchandmarkets.com&amp;rft.atitle=The+Clean+Fuels+Report%3A+A+Quantitative+Comparison+Of+Motor+%28engine%29+Fuels%2C+Related+Pollution+and+Technologies&amp;rft.date=2008&amp;rft.aulast=Jones&amp;rft.aufirst=TT&amp;rft_id=http%3A%2F%2Fwww.researchandmarkets.com%2Freports%2F598475&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-58"><span class="mw-cite-backlink"><b><a href="#cite_ref-58">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTao2010" class="citation book cs1">Tao R (16–20 August 2010). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Qg1qDQAAQBAJ&amp;pg=PA60"><i>Electro-rheological Fluids and Magneto-rheological Suspensions</i></a>. 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Retrieved <span class="nowrap">11 July</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Scientific+American&amp;rft.atitle=Want+to+Reduce+Air+Pollution%3F+Don%27t+Rely+on+Ethanol+Necessarily&amp;rft.aulast=Biello&amp;rft.aufirst=David&amp;rft_id=https%3A%2F%2Fwww.scientificamerican.com%2Farticle%2Freduce-air-pollution-do-not-rely-on-ethanol%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-60"><span class="mw-cite-backlink"><b><a href="#cite_ref-60">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20100309071022/http://www.wdma.com/TechnicalCenter/GreenZone/CARB/tabid/111/Default.aspx">"Adoption of the Airborne Toxic Control Measure to Reduce Formaldehyde Emissions from Composite Wood Products"</a>. 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Vol.&#160;62. pp.&#160;63–65. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2009PhT....62d..63K">2009PhT....62d..63K</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1063%2F1.3120901">10.1063/1.3120901</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-393-06810-8" title="Special:BookSources/978-0-393-06810-8"><bdi>978-0-393-06810-8</bdi></a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a>&#160;<a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:153892198">153892198</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Earth%3A+The+Sequel%3A+The+Race+to+Reinvent+Energy+and+Stop+Global+Warming&amp;rft.pages=63-65&amp;rft.date=2009-03-16&amp;rft_id=info%3Adoi%2F10.1063%2F1.3120901&amp;rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A153892198%23id-name%3DS2CID&amp;rft_id=info%3Abibcode%2F2009PhT....62d..63K&amp;rft.isbn=978-0-393-06810-8&amp;rft.aulast=Horn&amp;rft.aufirst=Miriam&amp;rft.au=Krupp%2C+Fred&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dvjs7GtArBNoC&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span> <span class="cs1-visible-error citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_book" title="Template:Cite book">cite book</a>}}</code>: </span><span class="cs1-visible-error citation-comment"><code class="cs1-code">&#124;journal=</code> ignored (<a href="/wiki/Help:CS1_errors#periodical_ignored" title="Help:CS1 errors">help</a>)</span></span> </li> <li id="cite_note-63"><span class="mw-cite-backlink"><b><a href="#cite_ref-63">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.nbcnews.com/id/25936782/">"Mechanics see ethanol damaging small engines"</a><a rel="nofollow" class="external text" href="https://web.archive.org/web/20200923224041/http://www.nbcnews.com/id/25936782/">Archived</a> 23 September 2020 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, <i>NBC News</i>, 8 January 2008</span> </li> <li id="cite_note-Ignition-64"><span class="mw-cite-backlink"><b><a href="#cite_ref-Ignition_64-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFClark1972" class="citation book cs1"><a href="/wiki/John_Drury_Clark" title="John Drury Clark">Clark, John. 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Benjamin. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-8053-8329-4" title="Special:BookSources/978-0-8053-8329-4"><bdi>978-0-8053-8329-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Basic+Principles+of+Organic+Chemistry&amp;rft.pub=W.+A.+Benjamin&amp;rft.date=1977&amp;rft.isbn=978-0-8053-8329-4&amp;rft.aulast=Roberts&amp;rft.aufirst=John+D.&amp;rft.au=Caserio%2C+Marjorie+C.&amp;rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fbasicprincipleso1977obe&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources"><span title="This citation requires a reference to the specific page or range of pages in which the material appears. (February 2014)">page&#160;needed</span></a></i>&#93;</sup></span> </li> <li id="cite_note-ullmann-111"><span class="mw-cite-backlink">^ <a href="#cite_ref-ullmann_111-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ullmann_111-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ullmann_111-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-ullmann_111-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKosaricDuvnjakFarkasSahm2011" class="citation book cs1">Kosaric N, Duvnjak Z, Farkas A, Sahm H, Bringer-Meyer S, Goebel O, Mayer D (2011). "Ethanol". <i>Ullmann's Encyclopedia of Industrial Chemistry</i>. 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Tata McGraw-Hill Education. pp.&#160;268–. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-07-065573-7" title="Special:BookSources/978-0-07-065573-7"><bdi>978-0-07-065573-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Textbook+Of+Food+%26+Bevrge+Mgmt&amp;rft.pages=268-&amp;rft.pub=Tata+McGraw-Hill+Education&amp;rft.date=2007-08-01&amp;rft.isbn=978-0-07-065573-7&amp;rft.aulast=Andrews&amp;rft.aufirst=Sudhir&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DHfHtaq1GWUcC%26%26pg%3DPA268&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-128"><span class="mw-cite-backlink"><b><a href="#cite_ref-128">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKunkeeAmerine1968" class="citation journal cs1">Kunkee RE, Amerine MA (July 1968). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC547590">"Sugar and alcohol stabilization of yeast in sweet wine"</a>. <i>Applied Microbiology</i>. <b>16</b> (7): 1067–1075. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1128%2FAEM.16.7.1067-1075.1968">10.1128/AEM.16.7.1067-1075.1968</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a>&#160;<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC547590">547590</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a>&#160;<a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/5664123">5664123</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Applied+Microbiology&amp;rft.atitle=Sugar+and+alcohol+stabilization+of+yeast+in+sweet+wine&amp;rft.volume=16&amp;rft.issue=7&amp;rft.pages=1067-1075&amp;rft.date=1968-07&amp;rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC547590%23id-name%3DPMC&amp;rft_id=info%3Apmid%2F5664123&amp;rft_id=info%3Adoi%2F10.1128%2FAEM.16.7.1067-1075.1968&amp;rft.aulast=Kunkee&amp;rft.aufirst=RE&amp;rft.au=Amerine%2C+MA&amp;rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC547590&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-UllmannEthylene-129"><span class="mw-cite-backlink"><b><a href="#cite_ref-UllmannEthylene_129-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFZimmermannWalz2008" class="citation book cs1">Zimmermann, Heinz; Walz, Roland (2008). "Ethylene". <i>Ullmann's Encyclopedia of Industrial Chemistry</i>. Weinheim: Wiley-VCH. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2F14356007.a10_045.pub3">10.1002/14356007.a10_045.pub3</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-3-527-30673-2" title="Special:BookSources/978-3-527-30673-2"><bdi>978-3-527-30673-2</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Ethylene&amp;rft.btitle=Ullmann%27s+Encyclopedia+of+Industrial+Chemistry&amp;rft.place=Weinheim&amp;rft.pub=Wiley-VCH&amp;rft.date=2008&amp;rft_id=info%3Adoi%2F10.1002%2F14356007.a10_045.pub3&amp;rft.isbn=978-3-527-30673-2&amp;rft.aulast=Zimmermann&amp;rft.aufirst=Heinz&amp;rft.au=Walz%2C+Roland&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-130"><span class="mw-cite-backlink"><b><a href="#cite_ref-130">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://chem.libretexts.org/Bookshelves/Organic_Chemistry/Map%3A_Organic_Chemistry_(Wade)/14%3A_Reactions_of_Alcohols/14.04%3A_Dehydration_Reactions_of_Alcohols">"14.4: Dehydration Reactions of Alcohols"</a>. <i>Chemistry LibreTexts</i>. 9 February 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">9 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Chemistry+LibreTexts&amp;rft.atitle=14.4%3A+Dehydration+Reactions+of+Alcohols&amp;rft.date=2016-02-09&amp;rft_id=https%3A%2F%2Fchem.libretexts.org%2FBookshelves%2FOrganic_Chemistry%2FMap%253A_Organic_Chemistry_%28Wade%29%2F14%253A_Reactions_of_Alcohols%2F14.04%253A_Dehydration_Reactions_of_Alcohols&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-131"><span class="mw-cite-backlink"><b><a href="#cite_ref-131">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://chem.libretexts.org/Bookshelves/Organic_Chemistry/Supplemental_Modules_(Organic_Chemistry)/Alkenes/Synthesis_of_Alkenes/Alkenes_from_Dehydration_of_Alcohols">"Alkenes from Dehydration of Alcohols"</a>. <i>Chemistry LibreTexts</i>. 2 October 2013<span class="reference-accessdate">. Retrieved <span class="nowrap">9 May</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Chemistry+LibreTexts&amp;rft.atitle=Alkenes+from+Dehydration+of+Alcohols&amp;rft.date=2013-10-02&amp;rft_id=https%3A%2F%2Fchem.libretexts.org%2FBookshelves%2FOrganic_Chemistry%2FSupplemental_Modules_%28Organic_Chemistry%29%2FAlkenes%2FSynthesis_of_Alkenes%2FAlkenes_from_Dehydration_of_Alcohols&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-132"><span class="mw-cite-backlink"><b><a href="#cite_ref-132">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRossini1937" class="citation journal cs1">Rossini FD (1937). "Heats of Formation of Simple Organic Molecules". <i>Ind. Eng. Chem</i>. <b>29</b> (12): 1424–1430. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fie50336a024">10.1021/ie50336a024</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Ind.+Eng.+Chem.&amp;rft.atitle=Heats+of+Formation+of+Simple+Organic+Molecules&amp;rft.volume=29&amp;rft.issue=12&amp;rft.pages=1424-1430&amp;rft.date=1937&amp;rft_id=info%3Adoi%2F10.1021%2Fie50336a024&amp;rft.aulast=Rossini&amp;rft.aufirst=Frederick+D.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-133"><span class="mw-cite-backlink"><b><a href="#cite_ref-133">^</a></b></span> <span class="reference-text">Calculated from heats of formation from CRC Handbook of Chemistry and Physics, 49th Edition, 1968–1969.</span> </li> <li id="cite_note-134"><span class="mw-cite-backlink"><b><a href="#cite_ref-134">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChakrabartty1978" class="citation book cs1">Chakrabartty SK (1978). Trahanovsky WS (ed.). <i>Oxidation in Organic Chemistry</i>. New York: Academic Press. pp.&#160;343–370.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Oxidation+in+Organic+Chemistry&amp;rft.place=New+York&amp;rft.pages=343-370&amp;rft.pub=Academic+Press&amp;rft.date=1978&amp;rft.aulast=Chakrabartty&amp;rft.aufirst=SK&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-Ull-135"><span class="mw-cite-backlink"><b><a href="#cite_ref-Ull_135-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFReinhardKoppMcKusickRöderer2007" class="citation book cs1">Reinhard J, Kopp E, McKusick BC, Röderer G, Bosch A, Fleischmann G (2007). "Chloroacetaldehydes". <i>Ullmann's Encyclopedia of Industrial Chemistry</i>. 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Technical Committee on Classification and Properties of Hazardous Chemical Data (12–13 January 2010).</span> </li> <li id="cite_note-msdset-138"><span class="mw-cite-backlink">^ <a href="#cite_ref-msdset_138-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-msdset_138-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110714040451/http://msds.chem.ox.ac.uk/ET/ethyl_alcohol.html">"Safety data for ethyl alcohol"</a>. University of Oxford. 9 May 2008. Archived from <a rel="nofollow" class="external text" href="http://msds.chem.ox.ac.uk/ET/ethyl_alcohol.html">the original</a> on 14 July 2011<span class="reference-accessdate">. Retrieved <span class="nowrap">3 January</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Safety+data+for+ethyl+alcohol&amp;rft.pub=University+of+Oxford&amp;rft.date=2008-05-09&amp;rft_id=http%3A%2F%2Fmsds.chem.ox.ac.uk%2FET%2Fethyl_alcohol.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-139"><span class="mw-cite-backlink"><b><a href="#cite_ref-139">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFOttley1826" class="citation book cs1">Ottley, William Campbell (1826). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=wYcwvwyk2RAC"><i>A dictionary of chemistry and of mineralogy as connected with it</i></a>. Murray.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=A+dictionary+of+chemistry+and+of+mineralogy+as+connected+with+it&amp;rft.pub=Murray&amp;rft.date=1826&amp;rft.aulast=Ottley&amp;rft.aufirst=William+Campbell&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DwYcwvwyk2RAC&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-Roach-140"><span class="mw-cite-backlink"><b><a href="#cite_ref-Roach_140-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRoach2005" class="citation journal cs1">Roach J (18 July 2005). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20050722030635/http://news.nationalgeographic.com/news/2005/07/0718_050718_ancientbeer.html">"9,000-Year-Old Beer Re-Created From Chinese Recipe"</a>. <i>National Geographic News</i>. Archived from <a rel="nofollow" class="external text" href="http://news.nationalgeographic.com/news/2005/07/0718_050718_ancientbeer.html">the original</a> on 22 July 2005<span class="reference-accessdate">. Retrieved <span class="nowrap">3 September</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=National+Geographic+News&amp;rft.atitle=9%2C000-Year-Old+Beer+Re-Created+From+Chinese+Recipe&amp;rft.date=2005-07-18&amp;rft.aulast=Roach&amp;rft.aufirst=J&amp;rft_id=http%3A%2F%2Fnews.nationalgeographic.com%2Fnews%2F2005%2F07%2F0718_050718_ancientbeer.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-141"><span class="mw-cite-backlink"><b><a href="#cite_ref-141">^</a></b></span> <span class="reference-text"><a href="#CITEREFBerthelotHoudas1893">Berthelot &amp; Houdas 1893</a>, vol. I, p. 137.</span> </li> <li id="cite_note-142"><span class="mw-cite-backlink"><b><a href="#cite_ref-142">^</a></b></span> <span class="reference-text"><a href="#CITEREFBerthelotHoudas1893">Berthelot &amp; Houdas 1893</a>, vol. I, pp. 138-139.</span> </li> <li id="cite_note-143"><span class="mw-cite-backlink"><b><a href="#cite_ref-143">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFal-Hassan2009" class="citation book cs1"><a href="/wiki/Ahmad_Y._al-Hassan" title="Ahmad Y. al-Hassan">al-Hassan, Ahmad Y.</a> (2009). "Alcohol and the Distillation of Wine in Arabic Sources from the 8th Century". <i>Studies in al-Kimya': Critical Issues in Latin and Arabic Alchemy and Chemistry</i>. Hildesheim: Georg Olms Verlag. pp.&#160;283–298.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Alcohol+and+the+Distillation+of+Wine+in+Arabic+Sources+from+the+8th+Century&amp;rft.btitle=Studies+in+al-Kimya%27%3A+Critical+Issues+in+Latin+and+Arabic+Alchemy+and+Chemistry&amp;rft.place=Hildesheim&amp;rft.pages=283-298&amp;rft.pub=Georg+Olms+Verlag&amp;rft.date=2009&amp;rft.aulast=al-Hassan&amp;rft.aufirst=Ahmad+Y.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span> (same content also available on <a rel="nofollow" class="external text" href="http://www.history-science-technology.com/notes/notes7.html">the author's website</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20151229003135/http://www.history-science-technology.com/notes/notes7.html">Archived</a> 29 December 2015 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>).</span> </li> <li id="cite_note-144"><span class="mw-cite-backlink"><b><a href="#cite_ref-144">^</a></b></span> <span class="reference-text"><a href="#CITEREFal-Hassan2009">al-Hassan 2009</a> (same content also available on <a rel="nofollow" class="external text" href="http://www.history-science-technology.com/notes/notes7.html">the author's website</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20151229003135/http://www.history-science-technology.com/notes/notes7.html">Archived</a> 29 December 2015 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>); cf. <a href="#CITEREFBerthelotHoudas1893">Berthelot &amp; Houdas 1893</a>, vol. I, pp. 141, 143. Sometimes, sulfur was also added to the wine (see <a href="#CITEREFBerthelotHoudas1893">Berthelot &amp; Houdas 1893</a>, vol. I, p. 143).</span> </li> <li id="cite_note-145"><span class="mw-cite-backlink"><b><a href="#cite_ref-145">^</a></b></span> <span class="reference-text"><a href="#CITEREFMulthauf1966">Multhauf 1966</a>, pp.&#160;204–206.</span> </li> <li id="cite_note-146"><span class="mw-cite-backlink"><b><a href="#cite_ref-146">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHolmyard1957" class="citation book cs1"><a href="/wiki/Eric_John_Holmyard" title="Eric John Holmyard">Holmyard, Eric John</a> (1957). <i>Alchemy</i>. Harmondsworth: Penguin Books. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-486-26298-7" title="Special:BookSources/978-0-486-26298-7"><bdi>978-0-486-26298-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Alchemy&amp;rft.place=Harmondsworth&amp;rft.pub=Penguin+Books&amp;rft.date=1957&amp;rft.isbn=978-0-486-26298-7&amp;rft.aulast=Holmyard&amp;rft.aufirst=Eric+John&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span> pp. 51–52.</span> </li> <li id="cite_note-147"><span class="mw-cite-backlink"><b><a href="#cite_ref-147">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPrincipe2013" class="citation book cs1"><a href="/wiki/Lawrence_M._Principe" title="Lawrence M. Principe">Principe, Lawrence M.</a> (2013). <i>The Secrets of Alchemy</i>. Chicago: The University of Chicago Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-226-10379-2" title="Special:BookSources/978-0-226-10379-2"><bdi>978-0-226-10379-2</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+Secrets+of+Alchemy&amp;rft.place=Chicago&amp;rft.pub=The+University+of+Chicago+Press&amp;rft.date=2013&amp;rft.isbn=978-0-226-10379-2&amp;rft.aulast=Principe&amp;rft.aufirst=Lawrence+M.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span> pp. 69-71.</span> </li> <li id="cite_note-haw-148"><span class="mw-cite-backlink">^ <a href="#cite_ref-haw_148-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-haw_148-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHaw2006" class="citation book cs1"><a href="/wiki/Stephen_G._Haw" title="Stephen G. Haw">Haw SG</a> (2006). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=DSfvfr8VQSEC&amp;pg=PA148">"Wine, women and poison"</a>. <i>Marco Polo in China</i>. Routledge. pp.&#160;147–148. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-1-134-27542-7" title="Special:BookSources/978-1-134-27542-7"><bdi>978-1-134-27542-7</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">10 July</span> 2016</span>. <q>The earliest possible period seems to be the Eastern Han dynasty... the most likely period for the beginning of true distillation of spirits for drinking in China is during the Jin and Southern Song dynasties</q></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Wine%2C+women+and+poison&amp;rft.btitle=Marco+Polo+in+China&amp;rft.pages=147-148&amp;rft.pub=Routledge&amp;rft.date=2006&amp;rft.isbn=978-1-134-27542-7&amp;rft.aulast=Haw&amp;rft.aufirst=Stephen+G.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DDSfvfr8VQSEC%26pg%3DPA148&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-habib-149"><span class="mw-cite-backlink"><b><a href="#cite_ref-habib_149-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHabib2011" class="citation book cs1"><a href="/wiki/Irfan_Habib" title="Irfan Habib">Habib, Irfan</a> (2011). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=K8kO4J3mXUAC&amp;pg=PA55"><i>Economic History of Medieval India, 1200–1500</i></a>. Pearson Education India. pp.&#160;55–. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-81-317-2791-1" title="Special:BookSources/978-81-317-2791-1"><bdi>978-81-317-2791-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Economic+History+of+Medieval+India%2C+1200%E2%80%931500&amp;rft.pages=55-&amp;rft.pub=Pearson+Education+India&amp;rft.date=2011&amp;rft.isbn=978-81-317-2791-1&amp;rft.aulast=Habib&amp;rft.aufirst=Irfan&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DK8kO4J3mXUAC%26pg%3DPA55&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-150"><span class="mw-cite-backlink"><b><a href="#cite_ref-150">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLowitz1796" class="citation journal cs1 cs1-prop-foreign-lang-source">Lowitz T (1796). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=Zws_AAAAcAAJ">"Anzeige eines, zur volkommen Entwasserung des Weingeistes nothwendig zu beobachtenden, Handgriffs"</a> &#91;Report of a task that must be done for the complete dehydration of wine spirits [i.e., alcohol-water azeotrope])&#93;. <i>Chemische Annalen für die Freunde der Naturlehre, Aerznengelartheit, Haushaltungskunde und Manufakturen</i> (in German). <b>1</b>: 195–204. <q>See pp. 197–198: Lowitz dehydrated the azeotrope by mixing it with a 2:1 excess of anhydrous alkali and then distilling the mixture over low heat.</q></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Chemische+Annalen+f%C3%BCr+die+Freunde+der+Naturlehre%2C+Aerznengelartheit%2C+Haushaltungskunde+und+Manufakturen&amp;rft.atitle=Anzeige+eines%2C+zur+volkommen+Entwasserung+des+Weingeistes+nothwendig+zu+beobachtenden%2C+Handgriffs&amp;rft.volume=1&amp;rft.pages=195-204&amp;rft.date=1796&amp;rft.aulast=Lowitz&amp;rft.aufirst=T.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DZws_AAAAcAAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-151"><span class="mw-cite-backlink"><b><a href="#cite_ref-151">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChisholm1911" class="citation encyclopaedia cs1"><a href="/wiki/Hugh_Chisholm" title="Hugh Chisholm">Chisholm, Hugh</a>, ed. (1911). <span class="cs1-ws-icon" title="s:1911 Encyclopædia Britannica/Alcohol"><a class="external text" href="https://en.wikisource.org/wiki/1911_Encyclop%C3%A6dia_Britannica/Alcohol">"Alcohol"&#160;</a></span>. <i><a href="/wiki/Encyclop%C3%A6dia_Britannica_Eleventh_Edition" title="Encyclopædia Britannica Eleventh Edition">Encyclopædia Britannica</a></i>. Vol.&#160;1 (11th&#160;ed.). Cambridge University Press. pp.&#160;525–527.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=Alcohol&amp;rft.btitle=Encyclop%C3%A6dia+Britannica&amp;rft.pages=525-527&amp;rft.edition=11th&amp;rft.pub=Cambridge+University+Press&amp;rft.date=1911&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-152"><span class="mw-cite-backlink"><b><a href="#cite_ref-152">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFde_Saussure1807" class="citation journal cs1">de Saussure T (1807). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=G-UPAAAAQAAJ&amp;pg=PA316">"Mémoire sur la composition de l'alcohol et de l'éther sulfurique"</a>. <i>Journal de Physique, de Chimie, d'Histoire Naturelle et des Arts</i>. <b>64</b>: 316–354.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Journal+de+Physique%2C+de+Chimie%2C+d%27Histoire+Naturelle+et+des+Arts&amp;rft.atitle=M%C3%A9moire+sur+la+composition+de+l%27alcohol+et+de+l%27%C3%A9ther+sulfurique&amp;rft.volume=64&amp;rft.pages=316-354&amp;rft.date=1807&amp;rft.aulast=de+Saussure&amp;rft.aufirst=Th%C3%A9odore&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DG-UPAAAAQAAJ%26pg%3DPA316&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span> In his 1807 paper, Saussure determined ethanol's composition only roughly; a more accurate analysis of ethanol appears on page 300 of his 1814 paper: <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFde_Saussure1814" class="citation journal cs1">de Saussure, Théodore (1814). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=ch8zAQAAMAAJ&amp;pg=PA273">"Nouvelles observations sur la composition de l'alcool et de l'éther sulfurique"</a>. <i>Annales de Chimie et de Physique</i>. <b>89</b>: 273–305.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Annales+de+Chimie+et+de+Physique&amp;rft.atitle=Nouvelles+observations+sur+la+composition+de+l%27alcool+et+de+l%27%C3%A9ther+sulfurique&amp;rft.volume=89&amp;rft.pages=273-305&amp;rft.date=1814&amp;rft.aulast=de+Saussure&amp;rft.aufirst=Th%C3%A9odore&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dch8zAQAAMAAJ%26pg%3DPA273&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-Couper-153"><span class="mw-cite-backlink"><b><a href="#cite_ref-Couper_153-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCouper1858" class="citation journal cs1">Couper AS (1858). <a rel="nofollow" class="external text" href="http://web.lemoyne.edu/~giunta/couper/couper.html">"On a new chemical theory"</a> <span class="cs1-format">(online reprint)</span>. <i>Philosophical Magazine</i>. <b>16</b> (104–116)<span class="reference-accessdate">. Retrieved <span class="nowrap">3 September</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Philosophical+Magazine&amp;rft.atitle=On+a+new+chemical+theory&amp;rft.volume=16&amp;rft.issue=104%E2%80%93116&amp;rft.date=1858&amp;rft.aulast=Couper&amp;rft.aufirst=AS&amp;rft_id=http%3A%2F%2Fweb.lemoyne.edu%2F~giunta%2Fcouper%2Fcouper.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-154"><span class="mw-cite-backlink"><b><a href="#cite_ref-154">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFFaraday1825" class="citation journal cs1">Faraday M (1825). <a rel="nofollow" class="external text" href="http://gallica.bnf.fr/ark:/12148/bpt6k559209/f473.image">"On new compounds of carbon and hydrogen, and on certain other products obtained during the decomposition of oil by heat"</a>. <i>Philosophical Transactions of the Royal Society of London</i>. <b>115</b>: 440–466. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1098%2Frstl.1825.0022">10.1098/rstl.1825.0022</a></span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Philosophical+Transactions+of+the+Royal+Society+of+London&amp;rft.atitle=On+new+compounds+of+carbon+and+hydrogen%2C+and+on+certain+other+products+obtained+during+the+decomposition+of+oil+by+heat&amp;rft.volume=115&amp;rft.pages=440-466&amp;rft.date=1825&amp;rft_id=info%3Adoi%2F10.1098%2Frstl.1825.0022&amp;rft.aulast=Faraday&amp;rft.aufirst=M&amp;rft_id=http%3A%2F%2Fgallica.bnf.fr%2Fark%3A%2F12148%2Fbpt6k559209%2Ff473.image&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span> In a footnote on page 448, Faraday notes the action of sulfuric acid on coal gas and coal-gas distillate; specifically, "The [sulfuric] acid combines directly with carbon and hydrogen; and I find when [the resulting compound is] united with bases [it] forms a peculiar class of salts, somewhat resembling the sulphovinates [i.e., ethyl sulfates], but still different from them."</span> </li> <li id="cite_note-155"><span class="mw-cite-backlink"><b><a href="#cite_ref-155">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHennell1826" class="citation journal cs1">Hennell H (1826). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=f05FAAAAcAAJ">"On the mutual action of sulphuric acid and alcohol, with observations on the composition and properties of the resulting compound"</a>. <i>Philosophical Transactions of the Royal Society of London</i>. <b>116</b>: 240–249. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1098%2Frstl.1826.0021">10.1098/rstl.1826.0021</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a>&#160;<a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:98278290">98278290</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Philosophical+Transactions+of+the+Royal+Society+of+London&amp;rft.atitle=On+the+mutual+action+of+sulphuric+acid+and+alcohol%2C+with+observations+on+the+composition+and+properties+of+the+resulting+compound&amp;rft.volume=116&amp;rft.pages=240-249&amp;rft.date=1826&amp;rft_id=info%3Adoi%2F10.1098%2Frstl.1826.0021&amp;rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A98278290%23id-name%3DS2CID&amp;rft.aulast=Hennell&amp;rft.aufirst=H&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Df05FAAAAcAAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span> On page 248, Hennell mentions that Faraday gave him some sulfuric acid in which coal gas had dissolved and that he (Hennell) found that it contained "sulphovinic acid" (ethyl hydrogen sulfate).</span> </li> <li id="cite_note-Hennell-156"><span class="mw-cite-backlink"><b><a href="#cite_ref-Hennell_156-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHennell1828" class="citation journal cs1">Hennell H (1828). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=X-9FAAAAMAAJ&amp;pg=PA365">"On the mutual action of sulfuric acid and alcohol, and on the nature of the process by which ether is formed"</a>. <i>Philosophical Transactions of the Royal Society of London</i>. <b>118</b>: 365–371. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1098%2Frstl.1828.0021">10.1098/rstl.1828.0021</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a>&#160;<a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:98483646">98483646</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Philosophical+Transactions+of+the+Royal+Society+of+London&amp;rft.atitle=On+the+mutual+action+of+sulfuric+acid+and+alcohol%2C+and+on+the+nature+of+the+process+by+which+ether+is+formed&amp;rft.volume=118&amp;rft.pages=365-371&amp;rft.date=1828&amp;rft_id=info%3Adoi%2F10.1098%2Frstl.1828.0021&amp;rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A98483646%23id-name%3DS2CID&amp;rft.aulast=Hennell&amp;rft.aufirst=H&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DX-9FAAAAMAAJ%26pg%3DPA365&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span> On page 368, Hennell produces ethanol from "sulfovinic acid" (<a href="/wiki/Ethyl_sulfate" title="Ethyl sulfate">ethyl hydrogen sulfate</a>).</span> </li> <li id="cite_note-157"><span class="mw-cite-backlink"><b><a href="#cite_ref-157">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSérullas1828" class="citation journal cs1">Sérullas GS (1828). Guyton de Morveau LB, Gay-Lussac JL, Arago F, Michel Eugène Chevreul, Marcellin Berthelot, Éleuthère Élie Nicolas Mascart, Albin Haller (eds.). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=ZxUAAAAAMAAJ&amp;pg=PA152">"De l'action de l'acide sulfurique sur l'alcool, et des produits qui en résultent"</a>. <i>Annales de Chimie et de Physique</i>. <b>39</b>: 152–186.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Annales+de+Chimie+et+de+Physique&amp;rft.atitle=De+l%27action+de+l%27acide+sulfurique+sur+l%27alcool%2C+et+des+produits+qui+en+r%C3%A9sultent&amp;rft.volume=39&amp;rft.pages=152-186&amp;rft.date=1828&amp;rft.aulast=S%C3%A9rullas&amp;rft.aufirst=Georges-Simon&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DZxUAAAAAMAAJ%26pg%3DPA152&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span> On page 158, Sérullas mentions the production of alcohol from "sulfate acid d'hydrogène carboné" (hydrocarbon acid sulfate).</span> </li> <li id="cite_note-158"><span class="mw-cite-backlink"><b><a href="#cite_ref-158">^</a></b></span> <span class="reference-text">In 1855, the French chemist <a href="/wiki/Marcellin_Berthelot" title="Marcellin Berthelot">Marcellin Berthelot</a> confirmed Faraday's discovery by preparing ethanol from pure ethylene. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBerthelot1855" class="citation journal cs1">Berthelot M (1855). Arago F, Gay-Lussac JL (eds.). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=1ClCAAAAcAAJ&amp;pg=PA385">"Sur la formation de l'alcool au moyen du bicarbure d'hydrogène (On the formation of alcohol by means of ethylene)"</a>. <i>Annales de Chimie et de Physique</i>. <b>43</b>: 385–405.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Annales+de+Chimie+et+de+Physique&amp;rft.atitle=Sur+la+formation+de+l%27alcool+au+moyen+du+bicarbure+d%27hydrog%C3%A8ne+%28On+the+formation+of+alcohol+by+means+of+ethylene%29&amp;rft.volume=43&amp;rft.pages=385-405&amp;rft.date=1855&amp;rft.aulast=Berthelot&amp;rft.aufirst=Marcellin&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D1ClCAAAAcAAJ%26pg%3DPA385&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span> (Note: The chemical formulas in Berthelot's paper are wrong because chemists at that time used the wrong atomic masses for the elements; e.g., carbon (6 instead of 12), oxygen (8 instead of 16), etc.)</span> </li> <li id="cite_note-siegel-159"><span class="mw-cite-backlink"><b><a href="#cite_ref-siegel_159-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSiegel2007" class="citation news cs1">Siegel R (15 February 2007). <a rel="nofollow" class="external text" href="https://www.npr.org/templates/story/story.php?storyId=7426827">"Ethanol, Once Bypassed, Now Surging Ahead"</a>. NPR<span class="reference-accessdate">. Retrieved <span class="nowrap">22 September</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.atitle=Ethanol%2C+Once+Bypassed%2C+Now+Surging+Ahead&amp;rft.date=2007-02-15&amp;rft.aulast=Siegel&amp;rft.aufirst=Robert&amp;rft_id=https%3A%2F%2Fwww.npr.org%2Ftemplates%2Fstory%2Fstory.php%3FstoryId%3D7426827&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-dipardo-160"><span class="mw-cite-backlink"><b><a href="#cite_ref-dipardo_160-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDiPardo" class="citation web cs1">DiPardo J. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20150924050511/http://www.eia.gov/oiaf/analysispaper/pdf/biomass.pdf">"Outlook for Biomass Ethanol Production and Demand"</a> <span class="cs1-format">(PDF)</span>. United States Department of Energy. Archived from <a rel="nofollow" class="external text" href="http://www.eia.gov/oiaf/analysispaper/pdf/biomass.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 24 September 2015<span class="reference-accessdate">. Retrieved <span class="nowrap">22 September</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Outlook+for+Biomass+Ethanol+Production+and+Demand&amp;rft.pub=United+States+Department+of+Energy&amp;rft.aulast=DiPardo&amp;rft.aufirst=Joseph&amp;rft_id=http%3A%2F%2Fwww.eia.gov%2Foiaf%2Fanalysispaper%2Fpdf%2Fbiomass.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> <li id="cite_note-myers-161"><span class="mw-cite-backlink"><b><a href="#cite_ref-myers_161-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMyersMyers2007" class="citation book cs1">Myers RL, Myers RL (2007). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=0AnJU-hralEC&amp;pg=PA122"><i>The 100 most important chemical compounds: a reference guide</i></a>. Westport, CN: Greenwood Press. p.&#160;122. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-313-33758-1" title="Special:BookSources/978-0-313-33758-1"><bdi>978-0-313-33758-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=The+100+most+important+chemical+compounds%3A+a+reference+guide&amp;rft.place=Westport%2C+CN&amp;rft.pages=122&amp;rft.pub=Greenwood+Press&amp;rft.date=2007&amp;rft.isbn=978-0-313-33758-1&amp;rft.aulast=Myers&amp;rft.aufirst=Richard+L.&amp;rft.au=Myers%2C+Rusty+L.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D0AnJU-hralEC%26pg%3DPA122&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=32" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1">Boyce JM, Pittet D (2003). <a rel="nofollow" class="external text" href="https://cdc.gov/handhygiene/">"Hand Hygiene in Healthcare Settings"</a>. Atlanta, GA: <a href="/wiki/Centers_for_Disease_Control" class="mw-redirect" title="Centers for Disease Control">Centers for Disease Control</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=Hand+Hygiene+in+Healthcare+Settings&amp;rft.place=Atlanta%2C+GA&amp;rft.pub=Centers+for+Disease+Control&amp;rft.date=2003&amp;rft.aulast=Boyce&amp;rft.aufirst=John+M&amp;rft.au=Pittet%2C+Didier&amp;rft_id=http%3A%2F%2Fcdc.gov%2Fhandhygiene%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation conference cs1">Onuki S, Koziel JA, van Leeuwen J, Jenks WS, Grewell D, Cai L (June 2008). <a rel="nofollow" class="external text" href="http://lib.dr.iastate.edu/abe_eng_conf/68/"><i>Ethanol production, purification, and analysis techniques: a review</i></a>. 2008 ASABE Annual International Meeting. Providence, RI<span class="reference-accessdate">. Retrieved <span class="nowrap">16 February</span> 2013</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=conference&amp;rft.btitle=Ethanol+production%2C+purification%2C+and+analysis+techniques%3A+a+review&amp;rft.place=Providence%2C+RI&amp;rft.date=2008-06&amp;rft.aulast=Onuki&amp;rft.aufirst=Shinnosuke&amp;rft.au=Koziel%2C+Jacek+A.&amp;rft.au=van+Leeuwen%2C+Johannes&amp;rft.au=Jenks%2C+William+S.&amp;rft.au=Grewell%2C+David&amp;rft.au=Cai%2C+Lingshuang&amp;rft_id=http%3A%2F%2Flib.dr.iastate.edu%2Fabe_eng_conf%2F68%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://sci-toys.com/ingredients/alcohol.html">"Explanation of US denatured alcohol designations"</a>. <i>Sci-toys</i>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Sci-toys&amp;rft.atitle=Explanation+of+US+denatured+alcohol+designations&amp;rft_id=http%3A%2F%2Fsci-toys.com%2Fingredients%2Falcohol.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1">Lange, Norbert Adolph (1967). John Aurie Dean (ed.). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=4YlqAAAAMAAJ"><i>Lange's Handbook of Chemistry</i></a> (10th&#160;ed.). McGraw-Hill.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Lange%27s+Handbook+of+Chemistry&amp;rft.edition=10th&amp;rft.pub=McGraw-Hill&amp;rft.date=1967&amp;rft.aulast=Lange&amp;rft.aufirst=Norbert+Adolph&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D4YlqAAAAMAAJ&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthanol" class="Z3988"></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethanol&amp;action=edit&amp;section=33" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media 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href="https://en.wiktionary.org/wiki/alcohol" class="extiw" title="wiktionary:alcohol">alcohol</a></b></i>&#160;or <i><b><a href="https://en.wiktionary.org/wiki/ethanol" class="extiw" title="wiktionary:ethanol">ethanol</a></b></i> in Wiktionary, the free dictionary.</div></div> </div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1235681985"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1237033735"><div class="side-box side-box-right plainlinks sistersitebox"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, 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href="http://www.npi.gov.au/substances/ethanol/index.html">National Pollutant Inventory – Ethanol Fact Sheet</a></li> <li><a rel="nofollow" class="external text" href="https://www.cdc.gov/niosh/npg/npgd0262.html">CDC – NIOSH Pocket Guide to Chemical Hazards – Ethyl Alcohol</a></li> <li><a rel="nofollow" class="external text" href="http://webbook.nist.gov/cgi/cbook.cgi?Name=ethanol&amp;Units=SI">National Institute of Standards and Technology</a> chemical data on ethanol</li> <li><a rel="nofollow" class="external text" href="http://www.cmegroup.com/company/cbot.html">Chicago Board of Trade</a> news and market data on ethanol futures</li> <li>Calculation of <a rel="nofollow" class="external text" href="http://ddbonline.ddbst.de/AntoineCalculation/AntoineCalculationCGI.exe?component=Ethanol">vapor pressure</a>, <a rel="nofollow" class="external text" href="http://ddbonline.ddbst.de/DIPPR105DensityCalculation/DIPPR105CalculationCGI.exe?component=Ethanol">liquid density</a>, <a 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navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Alcohols" title="Template:Alcohols"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Alcohols" title="Template talk:Alcohols"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Alcohols" title="Special:EditPage/Template:Alcohols"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Alcohols" style="font-size:114%;margin:0 4em"><a href="/wiki/Alcohol_(chemistry)" title="Alcohol (chemistry)">Alcohols</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">By consumption</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Comparison_of_psychoactive_alcohols_in_alcoholic_drinks" title="Comparison of psychoactive alcohols in alcoholic drinks">Alcohols found in<br />alcoholic drinks</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1-Propanol" title="1-Propanol">1-Propanol</a></li> <li><a href="/wiki/2-Methyl-1-butanol" title="2-Methyl-1-butanol">2-Methyl-1-butanol</a></li> <li><a class="mw-selflink selflink">Ethanol</a></li> <li><a href="/wiki/Isoamyl_alcohol" title="Isoamyl alcohol">Isoamyl alcohol</a></li> <li><a href="/wiki/Isobutanol" title="Isobutanol">Isobutanol</a></li> <li><a href="/wiki/Phenethyl_alcohol" title="Phenethyl alcohol">Phenethyl alcohol</a></li> <li><a href="/wiki/Tert-Amyl_alcohol" title="Tert-Amyl alcohol"><i>tert</i>-Amyl alcohol</a></li> <li><a href="/wiki/Tert-Butyl_alcohol" title="Tert-Butyl alcohol"><i>tert</i>-Butyl alcohol</a></li> <li><a href="/wiki/Tryptophol" title="Tryptophol">Tryptophol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Alcohols_(medicine)" title="Alcohols (medicine)">Medical alcohol</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ethchlorvynol" title="Ethchlorvynol">Ethchlorvynol</a></li> <li><a href="/wiki/Methylpentynol" title="Methylpentynol">Methylpentynol</a></li> <li>Methanol poisoning <ul><li><a class="mw-selflink selflink">Ethanol</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Toxic_alcohol" class="mw-redirect" title="Toxic alcohol">Toxic alcohols</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Isopropyl_alcohol" title="Isopropyl alcohol">Isopropyl alcohol</a></li> <li><a href="/wiki/Methanol" title="Methanol">Methanol</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Primary_alcohol" title="Primary alcohol">Primary<br />alcohols</a> (1°)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Methanol" title="Methanol">Methanol</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/4-Methylcyclohexanemethanol" title="4-Methylcyclohexanemethanol">4-Methylcyclohexanemethanol</a></li> <li><a href="/wiki/Aminomethanol" title="Aminomethanol">Aminomethanol</a></li> <li><a href="/wiki/Cyclohexylmethanol" title="Cyclohexylmethanol">Cyclohexylmethanol</a></li> <li><a href="/wiki/Methoxymethanol" title="Methoxymethanol">Methoxymethanol</a></li> <li><a href="/wiki/Methylazoxymethanol" title="Methylazoxymethanol">Methylazoxymethanol</a></li> <li><a href="/wiki/Trifluoromethanol" title="Trifluoromethanol">Trifluoromethanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">Ethanol</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1-Aminoethanol" title="1-Aminoethanol">1-Aminoethanol</a></li> <li><a href="/wiki/2,2,2-Trichloroethanol" title="2,2,2-Trichloroethanol">2,2,2-Trichloroethanol</a></li> <li><a href="/wiki/2,2,2-Trifluoroethanol" title="2,2,2-Trifluoroethanol">2,2,2-Trifluoroethanol</a></li> <li><a href="/wiki/2-(2-Ethoxyethoxy)ethanol" title="2-(2-Ethoxyethoxy)ethanol">2-(2-Ethoxyethoxy)ethanol</a></li> <li><a href="/wiki/2-(2-Methoxyethoxy)ethanol" title="2-(2-Methoxyethoxy)ethanol">2-(2-Methoxyethoxy)ethanol</a></li> <li><a href="/wiki/2-(2-Methoxyethoxy)ethanol" title="2-(2-Methoxyethoxy)ethanol">2-(2-Methoxyethoxy)ethanol</a></li> <li><a href="/wiki/2-Butoxyethanol" title="2-Butoxyethanol">2-Butoxyethanol</a></li> <li><a href="/wiki/2-Chloroethanol" title="2-Chloroethanol">2-Chloroethanol</a></li> <li><a href="/wiki/2-Ethoxyethanol" title="2-Ethoxyethanol">2-Ethoxyethanol</a></li> <li><a href="/wiki/2-Fluoroethanol" title="2-Fluoroethanol">2-Fluoroethanol</a></li> <li><a href="/wiki/2-Mercaptoethanol" title="2-Mercaptoethanol">2-Mercaptoethanol</a></li> <li><a href="/wiki/2-Methoxyethanol" title="2-Methoxyethanol">2-Methoxyethanol</a></li> <li><a href="/wiki/Aminoethylethanolamine" title="Aminoethylethanolamine">Aminoethylethanolamine</a></li> <li><a href="/wiki/Diethylethanolamine" title="Diethylethanolamine">Diethylethanolamine</a></li> <li><a href="/wiki/Dimethylethanolamine" title="Dimethylethanolamine">Dimethylethanolamine</a></li> <li><a class="mw-selflink selflink">Ethanol</a></li> <li><a href="/wiki/Ethanolamine" title="Ethanolamine">Ethanolamine</a></li> <li><a href="/wiki/N,N-Diisopropylaminoethanol" title="N,N-Diisopropylaminoethanol"><i>N</i>,<i>N</i>-Diisopropylaminoethanol</a></li> <li><a href="/wiki/N-Methylethanolamine" title="N-Methylethanolamine"><i>N</i>-Methylethanolamine</a></li> <li><a href="/wiki/Phenoxyethanol" title="Phenoxyethanol">Phenoxyethanol</a></li> <li><a href="/wiki/Tribromoethanol" title="Tribromoethanol">Tribromoethanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Butanol" title="Butanol">Butanol</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/2-Methyl-1-butanol" title="2-Methyl-1-butanol">2-Methyl-1-butanol</a></li> <li><a href="/wiki/Isobutanol" title="Isobutanol">Isobutanol</a></li> <li><a href="/wiki/N-Butanol" class="mw-redirect" title="N-Butanol"><i>n</i>-Butanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Straight-chain<br />saturated<br />C<sub>1</sub> — C<sub>9</sub></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Methanol" title="Methanol">Methanol</a></li> <li><a class="mw-selflink selflink">Ethanol</a></li> <li><a href="/wiki/1-Propanol" title="1-Propanol">1-Propanol</a></li> <li><a href="/wiki/1-Butanol" title="1-Butanol">1-Butanol</a></li> <li><a href="/wiki/1-Pentanol" title="1-Pentanol">1-Pentanol</a></li> <li><a href="/wiki/1-Hexanol" title="1-Hexanol">1-Hexanol</a></li> <li><a href="/wiki/1-Heptanol" title="1-Heptanol">1-Heptanol</a></li> <li><a href="/wiki/1-Octanol" title="1-Octanol">1-Octanol</a> (capryl)</li> <li><a href="/wiki/1-Nonanol" title="1-Nonanol">1-Nonanol</a> (pelargonic)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Straight-chain<br />saturated<br />C<sub>10</sub> — C<sub>19</sub></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1-Decanol" title="1-Decanol">1-Decanol</a> (capric)</li> <li><a href="/wiki/1-Undecanol" class="mw-redirect" title="1-Undecanol">1-Undecanol</a> (hendecyl)</li> <li><a href="/wiki/1-Dodecanol" class="mw-redirect" title="1-Dodecanol">1-Dodecanol</a> (lauryl)</li> <li><a href="/wiki/1-Tridecanol" title="1-Tridecanol">1-Tridecanol</a></li> <li><a href="/wiki/1-Tetradecanol" title="1-Tetradecanol">1-Tetradecanol</a> (myristyl)</li> <li><a href="/wiki/1-Pentadecanol" title="1-Pentadecanol">1-Pentadecanol</a></li> <li><a href="/wiki/1-Hexadecanol" class="mw-redirect" title="1-Hexadecanol">1-Hexadecanol</a> (cetyl / palmityl)</li> <li><a href="/wiki/1-Heptadecanol" class="mw-redirect" title="1-Heptadecanol">1-Heptadecanol</a></li> <li><a href="/wiki/1-Octadecanol" class="mw-redirect" title="1-Octadecanol">1-Octadecanol</a> (stearyl)</li> <li><a href="/wiki/1-Nonadecanol" class="mw-redirect" title="1-Nonadecanol">1-Nonadecanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Straight-chain<br />saturated<br />C<sub>20</sub> — C<sub>29</sub></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1-Icosanol" class="mw-redirect" title="1-Icosanol">1-Icosanol</a> (arachidyl)</li> <li><a href="/wiki/1-Heneicosanol" title="1-Heneicosanol">1-Heneicosanol</a></li> <li><a href="/wiki/1-Docosanol" title="1-Docosanol">1-Docosanol</a> (behenyl)</li> <li><a href="/w/index.php?title=1-Tricosanol&amp;action=edit&amp;redlink=1" class="new" title="1-Tricosanol (page does not exist)">1-Tricosanol</a></li> <li><a href="/wiki/1-Tetracosanol" title="1-Tetracosanol">1-Tetracosanol</a> (lignoceryl)</li> <li><a href="/w/index.php?title=1-Pentacosanol&amp;action=edit&amp;redlink=1" class="new" title="1-Pentacosanol (page does not exist)">1-Pentacosanol</a></li> <li><a href="/wiki/1-Hexacosanol" title="1-Hexacosanol">1-Hexacosanol</a> (ceryl)</li> <li><a href="/wiki/1-Heptacosanol" title="1-Heptacosanol">1-Heptacosanol</a></li> <li><a href="/wiki/1-Octacosanol" title="1-Octacosanol">1-Octacosanol</a> (cluytyl / montanyl)</li> <li><a href="/wiki/1-Nonacosanol" title="1-Nonacosanol">1-Nonacosanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Straight-chain<br />saturated<br />C<sub>30</sub> — C<sub>39</sub></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1-Triacontanol" title="1-Triacontanol">1-Triacontanol</a> (melissyl / myricyl)</li> <li><a href="/w/index.php?title=1-Hentriacontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Hentriacontanol (page does not exist)">1-Hentriacontanol</a></li> <li><a href="/wiki/1-Dotriacontanol" title="1-Dotriacontanol">1-Dotriacontanol</a> (lacceryl)</li> <li><a href="/w/index.php?title=1-Tritriacontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Tritriacontanol (page does not exist)">1-Tritriacontanol</a></li> <li><a href="/w/index.php?title=1-Tetratriacontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Tetratriacontanol (page does not exist)">1-Tetratriacontanol</a> (geddyl)</li> <li><a href="/w/index.php?title=1-Pentatriacontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Pentatriacontanol (page does not exist)">1-Pentatriacontanol</a></li> <li><a href="/w/index.php?title=1-Hexatriacontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Hexatriacontanol (page does not exist)">1-Hexatriacontanol</a></li> <li><a href="/w/index.php?title=1-Heptatriacontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Heptatriacontanol (page does not exist)">1-Heptatriacontanol</a></li> <li><a href="/w/index.php?title=1-Octatriacontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Octatriacontanol (page does not exist)">1-Octatriacontanol</a></li> <li><a href="/w/index.php?title=1-Nonatriacontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Nonatriacontanol (page does not exist)">1-Nonatriacontanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Straight-chain<br />saturated<br />C<sub>40</sub> — C<sub>49</sub></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=1-Tetracontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Tetracontanol (page does not exist)">1-Tetracontanol</a></li> <li><a href="/w/index.php?title=1-Hentetracontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Hentetracontanol (page does not exist)">1-Hentetracontanol</a></li> <li><a href="/w/index.php?title=1-Dotetracontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Dotetracontanol (page does not exist)">1-Dotetracontanol</a></li> <li><a href="/w/index.php?title=1-Tritetracontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Tritetracontanol (page does not exist)">1-Tritetracontanol</a></li> <li><a href="/w/index.php?title=1-Tetratetracontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Tetratetracontanol (page does not exist)">1-Tetratetracontanol</a></li> <li><a href="/w/index.php?title=1-Pentatetracontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Pentatetracontanol (page does not exist)">1-Pentatetracontanol</a></li> <li><a href="/w/index.php?title=1-Hexatetracontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Hexatetracontanol (page does not exist)">1-Hexatetracontanol</a></li> <li><a href="/w/index.php?title=1-Heptatetracontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Heptatetracontanol (page does not exist)">1-Heptatetracontanol</a></li> <li><a href="/w/index.php?title=1-Octatetracontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Octatetracontanol (page does not exist)">1-Octatetracontanol</a></li> <li><a href="/w/index.php?title=1-Nonatetracontanol&amp;action=edit&amp;redlink=1" class="new" title="1-Nonatetracontanol (page does not exist)">1-Nonatetracontanol</a></li></ul> </div></td></tr></tbody></table><div> <ul><li><a href="/wiki/2-Ethylhexanol" title="2-Ethylhexanol">2-Ethylhexanol</a></li> <li><a href="/wiki/Allyl_alcohol" title="Allyl alcohol">Allyl alcohol</a></li> <li><a href="/wiki/Anisyl_alcohol" title="Anisyl alcohol">Anisyl alcohol</a></li> <li><a href="/wiki/Benzyl_alcohol" title="Benzyl alcohol">Benzyl alcohol</a></li> <li><a href="/wiki/Cinnamyl_alcohol" title="Cinnamyl alcohol">Cinnamyl alcohol</a></li> <li><a href="/wiki/Crotyl_alcohol" title="Crotyl alcohol">Crotyl alcohol</a></li> <li><a href="/wiki/Furfuryl_alcohol" title="Furfuryl alcohol">Furfuryl alcohol</a></li> <li><a href="/wiki/Isoamyl_alcohol" title="Isoamyl alcohol">Isoamyl alcohol</a></li> <li><a href="/wiki/Neopentyl_alcohol" title="Neopentyl alcohol">Neopentyl alcohol</a></li> <li><a href="/wiki/Nicotinyl_alcohol" title="Nicotinyl alcohol">Nicotinyl alcohol</a></li> <li><a href="/wiki/Perillyl_alcohol" title="Perillyl alcohol">Perillyl alcohol</a></li> <li><a href="/wiki/Phenethyl_alcohol" title="Phenethyl alcohol">Phenethyl alcohol</a></li> <li><a href="/wiki/Prenol" title="Prenol">Prenol</a></li> <li><a href="/wiki/Propargyl_alcohol" title="Propargyl alcohol">Propargyl alcohol</a></li> <li><a href="/wiki/Salicyl_alcohol" title="Salicyl alcohol">Salicyl alcohol</a></li> <li><a href="/wiki/Tryptophol" title="Tryptophol">Tryptophol</a></li> <li><a href="/wiki/Vanillyl_alcohol" title="Vanillyl alcohol">Vanillyl alcohol</a></li> <li><a href="/wiki/Veratrole_alcohol" title="Veratrole alcohol">Veratrole alcohol</a></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Secondary<br /> alcohols (2°)</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <li><a href="/wiki/1-Phenylethanol" title="1-Phenylethanol">1-Phenylethanol</a></li> <li><a href="/wiki/2-Butanol" title="2-Butanol">2-Butanol</a></li> <li><a href="/w/index.php?title=2-Deoxyerythritol&amp;action=edit&amp;redlink=1" class="new" title="2-Deoxyerythritol (page does not exist)">2-Deoxyerythritol</a></li> <li><a href="/wiki/2-Heptanol" title="2-Heptanol">2-Heptanol</a></li> <li><a href="/wiki/3-Heptanol" title="3-Heptanol">3-Heptanol</a></li> <li><a href="/wiki/2-Hexanol" title="2-Hexanol">2-Hexanol</a></li> <li><a href="/wiki/3-Hexanol" title="3-Hexanol">3-Hexanol</a></li> <li><a href="/wiki/3-Methyl-2-butanol" title="3-Methyl-2-butanol">3-Methyl-2-butanol</a></li> <li><a href="/wiki/2-Nonanol" title="2-Nonanol">2-Nonanol</a></li> <li><a href="/wiki/2-Octanol" title="2-Octanol">2-Octanol</a></li> <li><a href="/wiki/2-Pentanol" title="2-Pentanol">2-Pentanol</a></li> <li><a href="/wiki/3-Pentanol" title="3-Pentanol">3-Pentanol</a></li> <li><a href="/wiki/Cyclohexanol" title="Cyclohexanol">Cyclohexanol</a></li> <li><a href="/wiki/Cyclopentanol" title="Cyclopentanol">Cyclopentanol</a></li> <li><a href="/wiki/Cyclopropanol" title="Cyclopropanol">Cyclopropanol</a></li> <li><a href="/wiki/Diphenylmethanol" title="Diphenylmethanol">Diphenylmethanol</a></li> <li><a href="/wiki/Isopropyl_alcohol" title="Isopropyl alcohol">Isopropanol</a></li> <li><a href="/wiki/Pinacolyl_alcohol" title="Pinacolyl alcohol">Pinacolyl alcohol</a></li> <li><a href="/wiki/Pirkle%27s_alcohol" title="Pirkle&#39;s alcohol">Pirkle's alcohol</a></li> <li><a href="/wiki/Propylene_glycol_methyl_ether" title="Propylene glycol methyl ether">Propylene glycol methyl ether</a></li> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Tertiary<br /> alcohols (3°)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/2-Methyl-2-pentanol" title="2-Methyl-2-pentanol">2-Methyl-2-pentanol</a></li> <li><a href="/w/index.php?title=2-Methylheptan-2-ol&amp;action=edit&amp;redlink=1" class="new" title="2-Methylheptan-2-ol (page does not exist)">2-Methylheptan-2-ol</a></li> <li><a href="/w/index.php?title=2-Methylhexan-2-ol&amp;action=edit&amp;redlink=1" class="new" title="2-Methylhexan-2-ol (page does not exist)">2-Methylhexan-2-ol</a></li> <li><a href="/wiki/3-Methyl-3-pentanol" title="3-Methyl-3-pentanol">3-Methyl-3-pentanol</a></li> <li><a href="/w/index.php?title=3-Methyloctan-3-ol&amp;action=edit&amp;redlink=1" class="new" title="3-Methyloctan-3-ol (page does not exist)">3-Methyloctan-3-ol</a></li> <li><a href="/wiki/Diacetone_alcohol" title="Diacetone alcohol">Diacetone alcohol</a></li> <li><a href="/wiki/Ethchlorvynol" title="Ethchlorvynol">Ethchlorvynol</a></li> <li><a href="/wiki/Methylpentynol" title="Methylpentynol">Methylpentynol</a></li> <li><a href="/wiki/Nonafluoro-tert-butyl_alcohol" title="Nonafluoro-tert-butyl alcohol">Nonafluoro-<i>tert</i>-butyl alcohol</a></li> <li><a href="/wiki/Tert-Amyl_alcohol" title="Tert-Amyl alcohol"><i>tert</i>-Amyl alcohol</a></li> <li><a href="/wiki/Tert-Butyl_alcohol" title="Tert-Butyl alcohol"><i>tert</i>-Butyl alcohol</a></li> <li><a href="/wiki/Triphenylethanol" title="Triphenylethanol">Triphenylethanol</a></li> <li><a href="/wiki/Triphenylmethanol" title="Triphenylmethanol">Triphenylmethanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Hydric alcohols</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Monohydric alcohols</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Methanol" title="Methanol">Methanol</a> (C<sub>1</sub>)</li> <li><a class="mw-selflink selflink">Ethanol</a> (C<sub>2</sub>)</li> <li><a href="/wiki/Isopropanol" class="mw-redirect" title="Isopropanol">Isopropanol</a> (C<sub>3</sub>)</li> <li><a href="/wiki/1-Butanol" title="1-Butanol">1-Butanol</a> (C<sub>4</sub>)</li> <li><a href="/wiki/1-Pentanol" title="1-Pentanol">1-Pentanol</a> (C<sub>5</sub>)</li> <li><a href="/wiki/Cetyl_alcohol" title="Cetyl alcohol">Cetyl alcohol</a> (C<sub>16</sub>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Dihydric alcohols</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ethylene_glycol" title="Ethylene glycol">Ethylene glycol</a></li> <li><a href="/wiki/Propylene_glycol" title="Propylene glycol">Propylene glycol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Trihydric alcohols</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Glycerol" title="Glycerol">Glycerol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sugar_alcohol" title="Sugar alcohol">Polyhydric alcohols (sugar alcohols)</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pentaerythritol" title="Pentaerythritol">Pentaerythritol</a></li> <li><a href="/wiki/Ethylene_glycol" title="Ethylene glycol">Ethylene glycol</a> (C<sub>2</sub>)</li> <li><a href="/wiki/Glycerol" title="Glycerol">Glycerol</a>, <a href="/wiki/Propylene_glycol" title="Propylene glycol">Propylene glycol</a> (C<sub>3</sub>)</li> <li><a href="/wiki/Erythritol" title="Erythritol">Erythritol</a>, <a href="/wiki/Threitol" title="Threitol">Threitol</a> (C<sub>4</sub>)</li> <li><a href="/wiki/Xylitol" title="Xylitol">Xylitol</a> (C<sub>5</sub>)</li> <li><a href="/wiki/Mannitol" title="Mannitol">Mannitol</a>, <a href="/wiki/Sorbitol" title="Sorbitol">Sorbitol</a> (C<sub>6</sub>)</li> <li><a href="/wiki/Volemitol" title="Volemitol">Volemitol</a> (C<sub>7</sub>)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Amyl_alcohol" title="Amyl alcohol">Amyl alcohols</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/2,2-Dimethylpropan-1-ol" class="mw-redirect" title="2,2-Dimethylpropan-1-ol">2,2-Dimethylpropan-1-ol </a></li> <li><a href="/wiki/2-Methylbutan-1-ol" class="mw-redirect" title="2-Methylbutan-1-ol">2-Methylbutan-1-ol </a></li> <li><a href="/wiki/2-Methylbutan-2-ol" class="mw-redirect" title="2-Methylbutan-2-ol">2-Methylbutan-2-ol </a></li> <li><a href="/wiki/3-Methylbutan-1-ol" class="mw-redirect" title="3-Methylbutan-1-ol">3-Methylbutan-1-ol </a></li> <li><a href="/wiki/3-Methylbutan-2-ol" class="mw-redirect" title="3-Methylbutan-2-ol">3-Methylbutan-2-ol </a></li> <li><a href="/wiki/Pentan-1-ol" class="mw-redirect" title="Pentan-1-ol">Pentan-1-ol </a></li> <li><a href="/wiki/Pentan-2-ol" class="mw-redirect" title="Pentan-2-ol">Pentan-2-ol </a></li> <li><a href="/wiki/Pentan-3-ol" class="mw-redirect" title="Pentan-3-ol">Pentan-3-ol </a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Alcohol_(chemistry)" title="Alcohol (chemistry)">Aromatic alcohols</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Benzyl_alcohol" title="Benzyl alcohol">Benzyl alcohol</a></li> <li><a href="/wiki/2,4-Dichlorobenzyl_alcohol" title="2,4-Dichlorobenzyl alcohol">2,4-Dichlorobenzyl alcohol</a></li> <li><a href="/wiki/3-Nitrobenzyl_alcohol" title="3-Nitrobenzyl alcohol">3-Nitrobenzyl alcohol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Saturated<br /><a href="/wiki/Fatty_alcohol" title="Fatty alcohol">fatty alcohols</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cetostearyl_alcohol" title="Cetostearyl alcohol">Cetostearyl alcohol</a></li> <li><a href="/wiki/Decanol" class="mw-redirect" title="Decanol">Decanol</a></li> <li><a href="/wiki/Lauryl_alcohol" class="mw-redirect" title="Lauryl alcohol">Lauryl alcohol</a></li> <li><a href="/wiki/Myristyl_alcohol" class="mw-redirect" title="Myristyl alcohol">Myristyl alcohol</a></li> <li><a href="/wiki/Nonanol_(disambiguation)" class="mw-redirect mw-disambig" title="Nonanol (disambiguation)">Nonanol</a></li> <li><a href="/wiki/Octanol" title="Octanol">Octanol</a></li> <li><a href="/wiki/Tridecanol" class="mw-redirect" title="Tridecanol">Tridecanol</a></li> <li><a href="/wiki/Undecanol" title="Undecanol">Undecanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Branched and<br />unsaturated<br /><a href="/wiki/Fatty_alcohol" title="Fatty alcohol">fatty alcohols</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/3-Methyl-3-pentanol" title="3-Methyl-3-pentanol">3-Methyl-3-pentanol</a></li> <li><a href="/w/index.php?title=Erucyl_alcohol&amp;action=edit&amp;redlink=1" class="new" title="Erucyl alcohol (page does not exist)">Erucyl alcohol</a></li> <li><a href="/w/index.php?title=Linolenyl_alcohol&amp;action=edit&amp;redlink=1" class="new" title="Linolenyl alcohol (page does not exist)">Linolenyl alcohol</a></li> <li><a href="/wiki/Linoleyl_alcohol" title="Linoleyl alcohol">Linoleyl alcohol</a></li> <li><a href="/wiki/Oleyl_alcohol" title="Oleyl alcohol">Oleyl alcohol</a></li> <li><a href="/w/index.php?title=Palmitoleyl_alcohol&amp;action=edit&amp;redlink=1" class="new" title="Palmitoleyl alcohol (page does not exist)">Palmitoleyl alcohol</a></li> <li><a href="/wiki/Tert-Amyl_alcohol" title="Tert-Amyl alcohol">tert-Amyl alcohol</a></li> <li><a href="/wiki/Tert-Butyl_alcohol" title="Tert-Butyl alcohol">tert-Butyl alcohol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sugar_alcohol" title="Sugar alcohol">Sugar alcohols</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">C<sub>1</sub> — C<sub>7</sub></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Methylene_glycol" class="mw-redirect" title="Methylene glycol">Methylene glycol</a> (C<sub>1</sub>)</li> <li><a href="/wiki/Ethylene_glycol" title="Ethylene glycol">Ethylene glycol</a> (C<sub>2</sub>)</li> <li><a href="/wiki/Glycerol" title="Glycerol">Glycerol</a> (C<sub>3</sub>)</li> <li><a href="/wiki/Erythritol" title="Erythritol">Erythritol</a> (C<sub>4</sub>)</li> <li><a href="/wiki/Threitol" title="Threitol">Threitol</a> (C<sub>4</sub>)</li> <li><a href="/wiki/Arabitol" title="Arabitol">Arabitol</a> (C<sub>5</sub>)</li> <li><a href="/wiki/Ribitol" title="Ribitol">Ribitol</a> (C<sub>5</sub>)</li> <li><a href="/wiki/Xylitol" title="Xylitol">Xylitol</a> (C<sub>5</sub>)</li> <li><a href="/wiki/Mannitol" title="Mannitol">Mannitol</a> (C<sub>6</sub>)</li> <li><a href="/wiki/Sorbitol" title="Sorbitol">Sorbitol</a> (C<sub>6</sub>)</li> <li><a href="/wiki/Galactitol" title="Galactitol">Galactitol</a> (C<sub>6</sub>)</li> <li><a href="/wiki/Iditol" title="Iditol">Iditol</a> (C<sub>6</sub>)</li> <li><a href="/wiki/Volemitol" title="Volemitol">Volemitol</a> (C<sub>7</sub>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Deoxy sugar<br /> alcohols</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Fucitol" title="Fucitol">Fucitol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Cyclic sugar<br /> alcohols</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Inositol" title="Inositol">Inositol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Glycylglycitols</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Maltitol" title="Maltitol">Maltitol</a></li> <li><a href="/wiki/Lactitol" title="Lactitol">Lactitol</a></li> <li><a href="/wiki/Isomalt" title="Isomalt">Isomalt</a></li> <li><a href="/w/index.php?title=Maltotriitol&amp;action=edit&amp;redlink=1" class="new" title="Maltotriitol (page does not exist)">Maltotriitol</a></li> <li><a href="/w/index.php?title=Maltotetraitol&amp;action=edit&amp;redlink=1" class="new" title="Maltotetraitol (page does not exist)">Maltotetraitol</a></li> <li><a href="/w/index.php?title=Polyglycitol&amp;action=edit&amp;redlink=1" class="new" title="Polyglycitol (page does not exist)">Polyglycitol</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Terpene alcohols</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Monoterpene<br /> alcohols</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Borneol" title="Borneol">Borneol</a></li> <li><a href="/wiki/Citronellol" title="Citronellol">Citronellol</a></li> <li><a href="/wiki/Geraniol" title="Geraniol">Geraniol</a></li> <li><a href="/wiki/Linalool" title="Linalool">Linalool</a></li> <li><a href="/wiki/Menthol" title="Menthol">Menthol</a></li> <li><a href="/wiki/Nerol" title="Nerol">Nerol</a></li> <li><a href="/wiki/Rhodinol" title="Rhodinol">Rhodinol</a></li> <li><a href="/wiki/Terpineol" title="Terpineol">Terpineol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Sesquiterpene<br /> alcohols</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bisabolol" title="Bisabolol">Bisabolol</a></li> <li><a href="/wiki/Farnesol" title="Farnesol">Farnesol</a></li> <li><a href="/wiki/Nerolidol" title="Nerolidol">Nerolidol</a></li> <li><a href="/wiki/Patchoulol" title="Patchoulol">Patchoulol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Diterpene<br /> alcohols</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Phytol" title="Phytol">Phytol</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Dialcohols</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1,4-Butanediol" title="1,4-Butanediol">1,4-Butanediol</a></li> <li><a href="/wiki/1,5-Pentanediol" title="1,5-Pentanediol">1,5-Pentanediol</a></li> <li><a href="/wiki/2-Methyl-2-propyl-1,3-propanediol" title="2-Methyl-2-propyl-1,3-propanediol">2-Methyl-2-propyl-1,3-propanediol</a></li> <li><a href="/wiki/Diethylpropanediol" class="mw-redirect" title="Diethylpropanediol">Diethylpropanediol</a></li> <li><a href="/wiki/Ethylene_glycol" title="Ethylene glycol">Ethylene glycol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Trialcohols</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Glycerol" title="Glycerol">Glycerol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Sterols</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cholesterol" title="Cholesterol">Cholesterol</a></li> <li><a href="/wiki/Ergosterol" title="Ergosterol">Ergosterol</a></li> <li><a href="/wiki/Lanosterol" title="Lanosterol">Lanosterol</a></li> <li><a href="/wiki/Beta-Sitosterol" class="mw-redirect" title="Beta-Sitosterol">β-Sitosterol</a></li> <li><a href="/wiki/Stigmasterol" title="Stigmasterol">Stigmasterol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Fluoroalcohol" title="Fluoroalcohol">Fluoroalcohols</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/1,3-Difluoro-2-propanol" title="1,3-Difluoro-2-propanol">1,3-Difluoro-2-propanol</a></li> <li><a href="/wiki/2,2,2-Trifluoroethanol" title="2,2,2-Trifluoroethanol">2,2,2-Trifluoroethanol</a></li> <li><a href="/wiki/2-Fluoroethanol" title="2-Fluoroethanol">2-Fluoroethanol</a></li> <li><a href="/wiki/Nonafluoro-tert-butyl_alcohol" title="Nonafluoro-tert-butyl alcohol">Nonafluoro-<i>tert</i>-butyl alcohol</a></li> <li><a href="/wiki/Trifluoromethanol" title="Trifluoromethanol">Trifluoromethanol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Preparations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Substitution_reaction" title="Substitution reaction">Substitution</a> of <a href="/wiki/Haloalkane#Substitution" title="Haloalkane">haloalkane</a></li> <li><a href="/wiki/Carbonyl_reduction" title="Carbonyl reduction">Carbonyl reduction</a></li> <li><a href="/wiki/Ether_cleavage" title="Ether cleavage">Ether cleavage</a></li> <li><a href="/wiki/Hydrolysis" title="Hydrolysis">Hydrolysis</a> of <a href="/wiki/Epoxide#Hydrolysis_and_addition_of_nucleophiles" title="Epoxide">epoxide</a></li> <li><a href="/wiki/Hydration_reaction" title="Hydration reaction">Hydration</a> of <a href="/wiki/Alkene#Hydration" title="Alkene">alkene</a></li> <li><a href="/wiki/Ziegler_process" title="Ziegler process">Ziegler process</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Reactions</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Deprotonation" title="Deprotonation">Deprotonation</a></li> <li><a href="/wiki/Protonation" title="Protonation">Protonation</a></li> <li><a href="/wiki/Alcohol_oxidation" title="Alcohol oxidation">Alcohol oxidation</a> <ul><li><a href="/wiki/Glycol_cleavage" title="Glycol cleavage">Glycol cleavage</a></li></ul></li> <li><a href="/wiki/Nucleophilic_substitution" title="Nucleophilic substitution">Nucleophilic substitution</a></li> <li><a href="/wiki/Fischer%E2%80%93Speier_esterification" title="Fischer–Speier esterification">Fischer–Speier esterification</a></li> <li><a href="/wiki/Williamson_ether_synthesis" title="Williamson ether synthesis">Williamson ether synthesis</a></li> <li><a href="/wiki/Elimination_reaction" title="Elimination reaction">Elimination reaction</a></li> <li><a href="/wiki/Nucleophilic_substitution" title="Nucleophilic substitution">Nucleophilic substitution</a> of <a href="/wiki/Carbonyl_group" title="Carbonyl group">carbonyl group</a></li> <li><a href="/wiki/Friedel-Crafts_alkylation" class="mw-redirect" title="Friedel-Crafts alkylation">Friedel-Crafts alkylation</a></li> <li><a href="/wiki/Nucleophilic_conjugate_addition" title="Nucleophilic conjugate addition">Nucleophilic conjugate addition</a></li> <li><a href="/wiki/Transesterification" title="Transesterification">Transesterification</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow hlist" colspan="2"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Alcohols" title="Category:Alcohols">Category</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Motor_fuels" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Motor_fuel" title="Template:Motor fuel"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Motor_fuel" title="Template talk:Motor fuel"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Motor_fuel" title="Special:EditPage/Template:Motor fuel"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Motor_fuels" style="font-size:114%;margin:0 4em"><a href="/wiki/Motor_vehicle" title="Motor vehicle">Motor</a> <a href="/wiki/Fuel" title="Fuel">fuels</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Fuel types</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gasoline" title="Gasoline">Gasoline/petrol</a></li> <li><a href="/wiki/Diesel_fuel" title="Diesel fuel">Diesel</a></li> <li><a href="/wiki/Biodiesel" title="Biodiesel">Biodiesel</a></li> <li><a href="/wiki/Biogasoline" title="Biogasoline">Biogasoline</a></li> <li><a href="/wiki/Gasoline#Lead_replacement_petrol_(gasoline)" title="Gasoline">Lead Replacement Petrol</a></li> <li><a href="/wiki/Electric_vehicle" title="Electric vehicle">Electricity</a></li> <li><a href="/wiki/Kerosene" title="Kerosene">Kerosene</a></li> <li><a href="/wiki/Compressed_natural_gas" title="Compressed natural gas">Compressed natural gas</a></li> <li><a href="/wiki/Hydrogen" title="Hydrogen">Hydrogen</a></li> <li><a class="mw-selflink selflink">Ethanol</a></li> <li><a href="/wiki/Butanol_fuel" title="Butanol fuel">Butanol fuel</a></li> <li><a href="/wiki/Tetraethyllead" title="Tetraethyllead">Racing fuel (Tetraethyllead)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_gasoline_additives" title="List of gasoline additives">Fuel additives</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Butyl_rubber" title="Butyl rubber">Butyl rubber</a></li> <li><a href="/wiki/Butylated_hydroxytoluene" title="Butylated hydroxytoluene">Butylated hydroxytoluene</a></li> <li><a href="/wiki/1,2-Dibromoethane" title="1,2-Dibromoethane">1,2-Dibromoethane</a></li> <li><a href="/wiki/1,2-Dichloroethane" title="1,2-Dichloroethane">1,2-Dichloroethane</a></li> <li><a href="/wiki/Dimethyl_methylphosphonate" title="Dimethyl methylphosphonate">Dimethyl methylphosphonate</a></li> <li><a href="/wiki/2,4-Dimethyl-6-tert-butylphenol" title="2,4-Dimethyl-6-tert-butylphenol">2,4-Dimethyl-6-tert-butylphenol</a></li> <li><a href="/wiki/Dinonylnaphthylsulfonic_acid" title="Dinonylnaphthylsulfonic acid">Dinonylnaphthylsulfonic acid</a></li> <li><a href="/wiki/2,6-Di-tert-butylphenol" title="2,6-Di-tert-butylphenol">2,6-Di-tert-butylphenol</a></li> <li><a href="/wiki/Ecalene" title="Ecalene">Ecalene</a></li> <li><a href="/wiki/Ethylenediamine" title="Ethylenediamine">Ethylenediamine</a></li> <li><a href="/wiki/Metal_deactivator" title="Metal deactivator">Metal deactivator</a></li> <li><a href="/wiki/Methyl_tert-butyl_ether" title="Methyl tert-butyl ether">Methyl tert-butyl ether</a></li> <li><a href="/wiki/Nitromethane" title="Nitromethane">Nitromethane</a></li> <li><a href="/wiki/Tetraethyllead" title="Tetraethyllead">Tetraethyllead</a></li> <li><a href="/wiki/Tetranitromethane" title="Tetranitromethane">Tetranitromethane</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Fluids</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Motor_oil" title="Motor oil">Motor oil</a></li> <li><a href="/wiki/Antifreeze" title="Antifreeze">Antifreeze</a></li> <li><a href="/wiki/Automatic_transmission_fluid" title="Automatic transmission fluid">Automatic transmission fluid</a></li> <li><a href="/wiki/Brake_fluid" title="Brake fluid">Brake fluid</a></li> <li><a href="/wiki/Gear_oil" title="Gear oil">Gear oil</a></li> <li><a href="/wiki/Windshield_washer_fluid" title="Windshield washer fluid">Windshield washer fluid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Filling_station" title="Filling station">Retail</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Fuel_card" title="Fuel card">Fuel card</a></li> <li><a href="/wiki/MTBE_controversy" title="MTBE controversy">MTBE controversy</a></li> <li><a href="/wiki/Pay_at_the_pump" title="Pay at the pump">Pay at the pump</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Molecules_detected_in_outer_space" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Molecules_detected_in_outer_space" title="Template:Molecules detected in outer space"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Molecules_detected_in_outer_space" title="Template talk:Molecules detected in outer space"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Molecules_detected_in_outer_space" title="Special:EditPage/Template:Molecules detected in outer space"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Molecules_detected_in_outer_space" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_interstellar_and_circumstellar_molecules" title="List of interstellar and circumstellar molecules">Molecules detected in outer space</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Molecule" title="Molecule">Molecules</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Diatomic_molecule" title="Diatomic molecule">Diatomic</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aluminium_monochloride" title="Aluminium monochloride">Aluminium monochloride</a></li> <li><a href="/wiki/Aluminium_monofluoride" title="Aluminium monofluoride">Aluminium monofluoride</a></li> <li><a href="/wiki/Aluminium(II)_oxide" title="Aluminium(II) oxide">Aluminium(II) oxide</a></li> <li><a href="/wiki/Argonium" title="Argonium">Argonium</a></li> <li><a href="/wiki/Carbon_cation" class="mw-redirect" title="Carbon cation">Carbon cation</a></li> <li><a href="/wiki/Carbon_monophosphide" title="Carbon monophosphide">Carbon monophosphide</a></li> <li><a href="/wiki/Carbon_monosulfide" title="Carbon monosulfide">Carbon monosulfide</a></li> <li><a href="/wiki/Carbon_monoxide" title="Carbon monoxide">Carbon monoxide</a></li> <li><a href="/wiki/Cyano_radical" title="Cyano radical">Cyano radical</a></li> <li><a href="/wiki/Diatomic_carbon" title="Diatomic carbon">Diatomic carbon</a></li> <li><a href="/w/index.php?title=Fluoromethylidynium&amp;action=edit&amp;redlink=1" class="new" title="Fluoromethylidynium (page does not exist)">Fluoromethylidynium</a></li> <li><a href="/wiki/Helium_hydride_ion" title="Helium hydride ion">Helium hydride ion</a></li> <li><a href="/wiki/Hydrogen_chloride" title="Hydrogen chloride">Hydrogen chloride</a></li> <li><a href="/wiki/Hydrogen_fluoride" title="Hydrogen fluoride">Hydrogen fluoride</a></li> <li><a href="/wiki/Hydrogen" title="Hydrogen">Hydrogen</a> (molecular)</li> <li><a href="/wiki/Hydroxyl_radical" title="Hydroxyl radical">Hydroxyl radical</a></li> <li><a href="/wiki/Iron(II)_oxide" title="Iron(II) oxide">Iron(II) oxide</a></li> <li><a href="/wiki/Magnesium_monohydride" title="Magnesium monohydride">Magnesium monohydride</a></li> <li><a href="/wiki/Methylidyne_radical" title="Methylidyne radical">Methylidyne radical</a></li> <li><a href="/wiki/Nitric_oxide" title="Nitric oxide">Nitric oxide</a></li> <li><a href="/wiki/Nitrogen" title="Nitrogen">Nitrogen</a> (molecular)</li> <li><a href="/wiki/Imidogen" title="Imidogen">Imidogen</a></li> <li><a href="/wiki/Sulfur_mononitride" title="Sulfur mononitride">Sulfur mononitride</a></li> <li><a href="/wiki/Oxygen" title="Oxygen">Oxygen</a> (molecular)</li> <li><a href="/wiki/Phosphorus_monoxide" title="Phosphorus monoxide">Phosphorus monoxide</a></li> <li><a href="/wiki/Phosphorus_mononitride" title="Phosphorus mononitride">Phosphorus mononitride</a></li> <li><a href="/wiki/Potassium_chloride" title="Potassium chloride">Potassium chloride</a></li> <li><a href="/wiki/Silicon_carbide" title="Silicon carbide">Silicon carbide</a></li> <li><a href="/wiki/Silicon_monoxide" title="Silicon monoxide">Silicon monoxide</a></li> <li><a href="/wiki/Silicon_monosulfide" title="Silicon monosulfide">Silicon monosulfide</a></li> <li><a href="/wiki/Sodium_chloride" title="Sodium chloride">Sodium chloride</a></li> <li><a href="/wiki/Sodium_iodide" title="Sodium iodide">Sodium iodide</a></li> <li><a href="/wiki/Sulfanyl" title="Sulfanyl">Sulfanyl</a></li> <li><a href="/wiki/Sulfur_monoxide" title="Sulfur monoxide">Sulfur monoxide</a></li> <li><a href="/wiki/Titanium(II)_oxide" title="Titanium(II) oxide">Titanium(II) oxide</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="9" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/Nitrous_oxide" title="Nitrous oxide"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Nitrous-oxide-3D-balls.png/60px-Nitrous-oxide-3D-balls.png" decoding="async" width="60" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Nitrous-oxide-3D-balls.png/90px-Nitrous-oxide-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/93/Nitrous-oxide-3D-balls.png/120px-Nitrous-oxide-3D-balls.png 2x" data-file-width="1100" data-file-height="441" /></a></span> <br /><br /><br /><br /> <span typeof="mw:File"><a href="/wiki/Ethanol" title="Ethanol"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Ethanol-3D-balls.png/60px-Ethanol-3D-balls.png" decoding="async" width="60" height="41" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Ethanol-3D-balls.png/90px-Ethanol-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Ethanol-3D-balls.png/120px-Ethanol-3D-balls.png 2x" data-file-width="1100" data-file-height="754" /></a></span> <br /><br /><br /><br /> <span typeof="mw:File"><a href="/wiki/Buckminsterfullerene" title="Buckminsterfullerene"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Buckminsterfullerene-perspective-3D-balls.png/60px-Buckminsterfullerene-perspective-3D-balls.png" decoding="async" width="60" height="63" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Buckminsterfullerene-perspective-3D-balls.png/90px-Buckminsterfullerene-perspective-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Buckminsterfullerene-perspective-3D-balls.png/120px-Buckminsterfullerene-perspective-3D-balls.png 2x" data-file-width="1056" data-file-height="1100" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Triatomic_molecule" title="Triatomic molecule">Triatomic</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aluminium(I)_hydroxide" class="mw-redirect" title="Aluminium(I) hydroxide">Aluminium(I) hydroxide</a></li> <li><a href="/w/index.php?title=Aluminium_isocyanide&amp;action=edit&amp;redlink=1" class="new" title="Aluminium isocyanide (page does not exist)">Aluminium isocyanide</a></li> <li><a href="/wiki/Amino_radical" title="Amino radical">Amino radical</a></li> <li><a href="/wiki/Carbon_dioxide" title="Carbon dioxide">Carbon dioxide</a></li> <li><a href="/wiki/Carbonyl_sulfide" title="Carbonyl sulfide">Carbonyl sulfide</a></li> <li><a href="/w/index.php?title=CCP_radical&amp;action=edit&amp;redlink=1" class="new" title="CCP radical (page does not exist)">CCP radical</a></li> <li><a href="/wiki/Halonium_ion" title="Halonium ion">Chloronium</a></li> <li><a href="/wiki/Diazenylium" title="Diazenylium">Diazenylium</a></li> <li><a href="/wiki/Dicarbon_monoxide" title="Dicarbon monoxide">Dicarbon monoxide</a></li> <li><a href="/w/index.php?title=Disilicon_carbide&amp;action=edit&amp;redlink=1" class="new" title="Disilicon carbide (page does not exist)">Disilicon carbide</a></li> <li><a href="/wiki/Ethynyl_radical" title="Ethynyl radical">Ethynyl radical</a></li> <li><a href="/w/index.php?title=Formyl_radical&amp;action=edit&amp;redlink=1" class="new" title="Formyl radical (page does not exist)">Formyl radical</a></li> <li><a href="/wiki/Hydrogen_cyanide" title="Hydrogen cyanide">Hydrogen cyanide</a> (HCN)</li> <li><a href="/wiki/Hydrogen_isocyanide" title="Hydrogen isocyanide">Hydrogen isocyanide</a> (HNC)</li> <li><a href="/wiki/Hydrogen_sulfide" title="Hydrogen sulfide">Hydrogen sulfide</a></li> <li><a href="/wiki/Hydroperoxyl" title="Hydroperoxyl">Hydroperoxyl</a></li> <li><a href="/w/index.php?title=Iron_cyanide&amp;action=edit&amp;redlink=1" class="new" title="Iron cyanide (page does not exist)">Iron cyanide</a></li> <li><a href="/w/index.php?title=Isoformyl&amp;action=edit&amp;redlink=1" class="new" title="Isoformyl (page does not exist)">Isoformyl</a></li> <li><a href="/wiki/Magnesium_cyanide" title="Magnesium cyanide">Magnesium cyanide</a></li> <li><a href="/w/index.php?title=Magnesium_isocyanide&amp;action=edit&amp;redlink=1" class="new" title="Magnesium isocyanide (page does not exist)">Magnesium isocyanide</a></li> <li><a href="/wiki/Methylene_(compound)" title="Methylene (compound)">Methylene</a></li> <li><a href="/wiki/Diazenylium" title="Diazenylium">N<sub>2</sub>H<sup>+</sup></a></li> <li><a href="/wiki/Nitrous_oxide" title="Nitrous oxide">Nitrous oxide</a></li> <li><a href="/wiki/Nitroxyl" title="Nitroxyl">Nitroxyl</a></li> <li><a href="/wiki/Ozone" title="Ozone">Ozone</a></li> <li><a href="/wiki/Methylidynephosphane" title="Methylidynephosphane">Methylidynephosphane</a></li> <li><a href="/wiki/Potassium_cyanide" title="Potassium cyanide">Potassium cyanide</a></li> <li><a href="/wiki/Trihydrogen_cation" title="Trihydrogen cation">Trihydrogen cation</a></li> <li><a href="/wiki/Sodium_cyanide" title="Sodium cyanide">Sodium cyanide</a></li> <li><a href="/wiki/Sodium_hydroxide" title="Sodium hydroxide">Sodium hydroxide</a></li> <li><a href="/w/index.php?title=Silicon_carbonitride&amp;action=edit&amp;redlink=1" class="new" title="Silicon carbonitride (page does not exist)">Silicon carbonitride</a></li> <li><a href="/w/index.php?title=C-Silicon_dicarbide&amp;action=edit&amp;redlink=1" class="new" title="C-Silicon dicarbide (page does not exist)">c-Silicon dicarbide</a></li> <li><a href="/w/index.php?title=SiNC&amp;action=edit&amp;redlink=1" class="new" title="SiNC (page does not exist)">SiNC</a></li> <li><a href="/wiki/Sulfur_dioxide" title="Sulfur dioxide">Sulfur dioxide</a></li> <li><a href="/w/index.php?title=Thioformyl&amp;action=edit&amp;redlink=1" class="new" title="Thioformyl (page does not exist)">Thioformyl</a></li> <li><a href="/wiki/Thioxoethenylidene" title="Thioxoethenylidene">Thioxoethenylidene</a></li> <li><a href="/wiki/Titanium_dioxide" title="Titanium dioxide">Titanium dioxide</a></li> <li><a href="/wiki/Tricarbon" title="Tricarbon">Tricarbon</a></li> <li><a href="/wiki/Water" title="Water">Water</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_interstellar_and_circumstellar_molecules#Molecules" title="List of interstellar and circumstellar molecules">Four<br />atoms</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Acetylene" title="Acetylene">Acetylene</a></li> <li><a href="/wiki/Ammonia" title="Ammonia">Ammonia</a></li> <li><a href="/wiki/Isocyanic_acid" title="Isocyanic acid">Isocyanic acid</a></li> <li><a href="/wiki/Polyyne" title="Polyyne">Cyanoethynyl</a></li> <li><a href="/wiki/Interstellar_formaldehyde" title="Interstellar formaldehyde">Formaldehyde</a></li> <li><a href="/wiki/Fulminic_acid" title="Fulminic acid">Fulminic acid</a></li> <li><a href="/w/index.php?title=HCCN&amp;action=edit&amp;redlink=1" class="new" title="HCCN (page does not exist)">HCCN</a></li> <li><a href="/wiki/Hydrogen_peroxide" title="Hydrogen peroxide">Hydrogen peroxide</a></li> <li><a href="/w/index.php?title=Hydromagnesium_isocyanide&amp;action=edit&amp;redlink=1" class="new" title="Hydromagnesium isocyanide (page does not exist)">Hydromagnesium isocyanide</a></li> <li><a href="/wiki/Isocyanic_acid" title="Isocyanic acid">Isocyanic acid</a></li> <li><a href="/wiki/Thiocyanic_acid" title="Thiocyanic acid">Isothiocyanic acid</a></li> <li><a href="/w/index.php?title=Ketenyl&amp;action=edit&amp;redlink=1" class="new" title="Ketenyl (page does not exist)">Ketenyl</a></li> <li><a href="/w/index.php?title=Methylene_amidogen&amp;action=edit&amp;redlink=1" class="new" title="Methylene amidogen (page does not exist)">Methylene amidogen</a></li> <li><a href="/wiki/Methyl_cation" class="mw-redirect" title="Methyl cation">Methyl cation</a></li> <li><a href="/wiki/Methyl_radical" title="Methyl radical">Methyl radical</a></li> <li><a href="/wiki/Propynylidyne" title="Propynylidyne">Propynylidyne</a></li> <li><a href="/w/index.php?title=Protonated_carbon_dioxide&amp;action=edit&amp;redlink=1" class="new" title="Protonated carbon dioxide (page does not exist)">Protonated carbon dioxide</a></li> <li><a href="/wiki/Protonated_hydrogen_cyanide" title="Protonated hydrogen cyanide">Protonated hydrogen cyanide</a></li> <li><a href="/w/index.php?title=Silicon_tricarbide&amp;action=edit&amp;redlink=1" class="new" title="Silicon tricarbide (page does not exist)">Silicon tricarbide</a></li> <li><a href="/wiki/Thioformaldehyde" title="Thioformaldehyde">Thioformaldehyde</a></li> <li><a href="/wiki/Tricarbon_monoxide" title="Tricarbon monoxide">Tricarbon monoxide</a></li> <li><a href="/wiki/Tricarbon_monosulfide" title="Tricarbon monosulfide">Tricarbon monosulfide</a></li> <li><a href="/wiki/Thiocyanic_acid" title="Thiocyanic acid">Thiocyanic acid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_interstellar_and_circumstellar_molecules#Molecules" title="List of interstellar and circumstellar molecules">Five<br />atoms</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ammonium" title="Ammonium">Ammonium</a> ion</li> <li><a href="/wiki/Polyyne" title="Polyyne">Butadiynyl</a></li> <li><a href="/wiki/Carbodiimide" title="Carbodiimide">Carbodiimide</a></li> <li><a href="/wiki/Cyanamide" title="Cyanamide">Cyanamide</a></li> <li><a href="/wiki/Cyanoacetylene" title="Cyanoacetylene">Cyanoacetylene</a></li> <li><a href="/w/index.php?title=Cyanoformaldehyde&amp;action=edit&amp;redlink=1" class="new" title="Cyanoformaldehyde (page does not exist)">Cyanoformaldehyde</a></li> <li><a href="/wiki/Cyanomethyl" title="Cyanomethyl">Cyanomethyl</a></li> <li><a href="/wiki/Cyclopropenylidene" title="Cyclopropenylidene">Cyclopropenylidene</a></li> <li><a href="/wiki/Formic_acid" title="Formic acid">Formic acid</a></li> <li><a href="/w/index.php?title=Isocyanoacetylene&amp;action=edit&amp;redlink=1" class="new" title="Isocyanoacetylene (page does not exist)">Isocyanoacetylene</a></li> <li><a href="/wiki/Ketene" title="Ketene">Ketene</a></li> <li><a href="/wiki/Methane" title="Methane">Methane</a></li> <li><a href="/wiki/Methoxy" class="mw-redirect" title="Methoxy">Methoxy radical</a></li> <li><a href="/w/index.php?title=Methylenimine&amp;action=edit&amp;redlink=1" class="new" title="Methylenimine (page does not exist)">Methylenimine</a></li> <li><a href="/w/index.php?title=Propadienylidene&amp;action=edit&amp;redlink=1" class="new" title="Propadienylidene (page does not exist)">Propadienylidene</a></li> <li><a href="/w/index.php?title=Protonated_formaldehyde&amp;action=edit&amp;redlink=1" class="new" title="Protonated formaldehyde (page does not exist)">Protonated formaldehyde</a></li> <li><a href="/wiki/Silane" title="Silane">Silane</a></li> <li><a href="/w/index.php?title=Silicon-carbide_cluster&amp;action=edit&amp;redlink=1" class="new" title="Silicon-carbide cluster (page does not exist)">Silicon-carbide cluster</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_interstellar_and_circumstellar_molecules#Molecules" title="List of interstellar and circumstellar molecules">Six<br />atoms</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Acetonitrile" title="Acetonitrile">Acetonitrile</a></li> <li><a href="/w/index.php?title=Cyanobutadiynyl_radical&amp;action=edit&amp;redlink=1" class="new" title="Cyanobutadiynyl radical (page does not exist)">Cyanobutadiynyl radical</a></li> <li><a href="/w/index.php?title=E-Cyanomethanimine&amp;action=edit&amp;redlink=1" class="new" title="E-Cyanomethanimine (page does not exist)">E-Cyanomethanimine</a></li> <li><a href="/wiki/Cyclopropenone" title="Cyclopropenone">Cyclopropenone</a></li> <li><a href="/wiki/Diacetylene" title="Diacetylene">Diacetylene</a></li> <li><a href="/wiki/Ethylene" title="Ethylene">Ethylene</a></li> <li><a href="/wiki/Formamide" title="Formamide">Formamide</a></li> <li><a href="/w/index.php?title=HC4N&amp;action=edit&amp;redlink=1" class="new" title="HC4N (page does not exist)">HC<sub>4</sub>N</a></li> <li><a href="/wiki/Ketenimine" class="mw-redirect" title="Ketenimine">Ketenimine</a></li> <li><a href="/wiki/Methanethiol" title="Methanethiol">Methanethiol</a></li> <li><a href="/wiki/Methanol" title="Methanol">Methanol</a></li> <li><a href="/wiki/Methyl_isocyanide" title="Methyl isocyanide">Methyl isocyanide</a></li> <li><a href="/wiki/Polyyne" title="Polyyne">Pentynylidyne</a></li> <li><a href="/wiki/Propynal" class="mw-redirect" title="Propynal">Propynal</a></li> <li><a href="/w/index.php?title=Protonated_cyanoacetylene&amp;action=edit&amp;redlink=1" class="new" title="Protonated cyanoacetylene (page does not exist)">Protonated cyanoacetylene</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_interstellar_and_circumstellar_molecules#Molecules" title="List of interstellar and circumstellar molecules">Seven<br />atoms</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Acetaldehyde" title="Acetaldehyde">Acetaldehyde</a></li> <li><a href="/wiki/Acrylonitrile" title="Acrylonitrile">Acrylonitrile</a> <ul><li><a href="/wiki/Vinyl_cyanide" class="mw-redirect" title="Vinyl cyanide">Vinyl cyanide</a></li></ul></li> <li><a href="/wiki/Cyanopolyyne" title="Cyanopolyyne">Cyanodiacetylene</a></li> <li><a href="/wiki/Ethylene_oxide" title="Ethylene oxide">Ethylene oxide</a></li> <li><a href="/wiki/Glycolonitrile" title="Glycolonitrile">Glycolonitrile</a></li> <li><a href="/wiki/Hexatriynyl_radical" title="Hexatriynyl radical">Hexatriynyl radical</a></li> <li><a href="/wiki/Propyne" title="Propyne">Propyne</a></li> <li><a href="/wiki/Methylamine" title="Methylamine">Methylamine</a></li> <li><a href="/wiki/Methyl_isocyanate" title="Methyl isocyanate">Methyl isocyanate</a></li> <li><a href="/wiki/Vinyl_alcohol" title="Vinyl alcohol">Vinyl alcohol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_interstellar_and_circumstellar_molecules#Molecules" title="List of interstellar and circumstellar molecules">Eight<br />atoms</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Acetic_acid" title="Acetic acid">Acetic acid</a></li> <li><a href="/wiki/Aminoacetonitrile" title="Aminoacetonitrile">Aminoacetonitrile</a></li> <li><a href="/w/index.php?title=Cyanoallene&amp;action=edit&amp;redlink=1" class="new" title="Cyanoallene (page does not exist)">Cyanoallene</a></li> <li><a href="/wiki/Ethanimine" title="Ethanimine">Ethanimine</a></li> <li><a href="/wiki/Glycolaldehyde" title="Glycolaldehyde">Glycolaldehyde</a></li> <li><a href="/wiki/Polyyne" title="Polyyne">Hexapentaenylidene</a></li> <li><a href="/wiki/Polyyne" title="Polyyne">Methylcyanoacetylene</a></li> <li><a href="/wiki/Methyl_formate" title="Methyl formate">Methyl formate</a></li> <li><a href="/wiki/Acrolein" title="Acrolein">Acrolein</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_interstellar_and_circumstellar_molecules#Molecules" title="List of interstellar and circumstellar molecules">Nine<br />atoms</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Acetamide" title="Acetamide">Acetamide</a></li> <li><a href="/wiki/Cyanopolyyne" title="Cyanopolyyne">Cyanohexatriyne</a></li> <li><a href="/wiki/Dimethyl_ether" title="Dimethyl ether">Dimethyl ether</a></li> <li><a class="mw-selflink selflink">Ethanol</a></li> <li><a href="/wiki/Polyyne" title="Polyyne">Methyldiacetylene</a></li> <li><a href="/wiki/Octatetraynyl_radical" title="Octatetraynyl radical">Octatetraynyl radical</a></li> <li><a href="/wiki/Propene" class="mw-redirect" title="Propene">Propene</a></li> <li><a href="/wiki/Ethanethiol" title="Ethanethiol">Ethanethiol</a></li> <li><a href="/wiki/Propionitrile" title="Propionitrile">Propionitrile</a></li> <li><a href="/wiki/N-Methylformamide" title="N-Methylformamide">N-Methylformamide</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_interstellar_and_circumstellar_molecules#Molecules" title="List of interstellar and circumstellar molecules">Ten<br />atoms<br />or more</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Acetone" title="Acetone">Acetone</a></li> <li><a href="/wiki/Benzene" title="Benzene">Benzene</a></li> <li><a href="/wiki/Benzonitrile" title="Benzonitrile">Benzonitrile</a></li> <li><a href="/wiki/Buckminsterfullerene" title="Buckminsterfullerene">Buckminsterfullerene</a> (C<sub>60</sub>, C<sub>60</sub><sup>+</sup>, fullerene, buckyball)</li> <li><a href="/wiki/C70_fullerene" title="C70 fullerene">C<sub>70</sub> fullerene</a></li> <li><a href="/wiki/Cyanopolyyne" title="Cyanopolyyne">Cyanodecapentayne</a></li> <li><a href="/wiki/Ethylene_glycol" title="Ethylene glycol">Ethylene glycol</a></li> <li><a href="/wiki/Ethyl_formate" title="Ethyl formate">Ethyl formate</a></li> <li><a href="/wiki/Methyl_acetate" title="Methyl acetate">Methyl acetate</a></li> <li><a href="/wiki/Cyanopolyyne" title="Cyanopolyyne">Methyl-cyano-diacetylene</a></li> <li><a href="/wiki/Polyyne" title="Polyyne">Methyltriacetylene</a></li> <li><a href="/wiki/Propionaldehyde" title="Propionaldehyde">Propionaldehyde</a></li> <li><a href="/wiki/Butyronitrile" title="Butyronitrile">Butyronitrile</a></li> <li><a href="/wiki/Pyrimidine" title="Pyrimidine">Pyrimidine</a></li> <li><a href="/w/index.php?title=Heptatrienyl_radical&amp;action=edit&amp;redlink=1" class="new" title="Heptatrienyl radical (page does not exist)">Heptatrienyl radical</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Deuterium" title="Deuterium">Deuterated</a><br />molecules</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ammonia" title="Ammonia">Ammonia</a></li> <li><a href="/wiki/Ammonium" title="Ammonium">Ammonium</a> ion</li> <li><a href="/wiki/Formaldehyde" title="Formaldehyde">Formaldehyde</a></li> <li><a href="/wiki/Interstellar_formaldehyde#Interstellar_reactions" title="Interstellar formaldehyde">Formyl radical</a></li> <li><a href="/wiki/Heavy_water" title="Heavy water">Heavy water</a></li> <li><a href="/wiki/Hydrogen_cyanide" title="Hydrogen cyanide">Hydrogen cyanide</a></li> <li><a href="/wiki/Hydrogen_deuteride" title="Hydrogen deuteride">Hydrogen deuteride</a></li> <li><a href="/wiki/Hydrogen_isocyanide" title="Hydrogen isocyanide">Hydrogen isocyanide</a></li> <li><a href="/wiki/Propyne" title="Propyne">Propyne</a></li> <li><a href="/wiki/Diazenylium" title="Diazenylium">N<sub>2</sub>D<sup>+</sup></a></li> <li><a href="/wiki/Trihydrogen_cation" title="Trihydrogen cation">Trihydrogen cation</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_interstellar_and_circumstellar_molecules#Molecules" title="List of interstellar and circumstellar molecules">Unconfirmed</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anthracene" title="Anthracene">Anthracene</a></li> <li><a href="/wiki/Dihydroxyacetone" title="Dihydroxyacetone">Dihydroxyacetone</a></li> <li><a href="/wiki/Methoxyethane" title="Methoxyethane">Methoxyethane</a></li> <li><a href="/wiki/Glycine" title="Glycine">Glycine</a></li> <li><a href="/wiki/Graphene" title="Graphene">Graphene</a></li> <li><a href="/wiki/Hemolithin" title="Hemolithin">Hemolithin</a></li> <li><a href="/w/index.php?title=H2NCO%2B&amp;action=edit&amp;redlink=1" class="new" title="H2NCO+ (page does not exist)">H<sub>2</sub>NCO<sup>+</sup></a></li> <li><a href="/wiki/Carbon" title="Carbon">Linear C<sub>5</sub></a></li> <li><a href="/wiki/Naphthalene" title="Naphthalene">Naphthalene cation</a></li> <li><a href="/wiki/Phosphine" title="Phosphine">Phosphine</a></li> <li><a href="/wiki/Pyrene" title="Pyrene">Pyrene</a></li> <li><a href="/wiki/Silylidyne" title="Silylidyne">Silylidyne</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_interstellar_and_circumstellar_molecules#See_also" title="List of interstellar and circumstellar molecules">Related</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abiogenesis" title="Abiogenesis">Abiogenesis</a></li> <li><a href="/wiki/Astrobiology" title="Astrobiology">Astrobiology</a></li> <li><a href="/wiki/Astrochemistry" title="Astrochemistry">Astrochemistry</a></li> <li><a href="/wiki/Atomic_and_molecular_astrophysics" title="Atomic and molecular astrophysics">Atomic and molecular astrophysics</a></li> <li><a href="/wiki/Chemical_formula" title="Chemical formula">Chemical formula</a></li> <li><a href="/wiki/Circumstellar_dust" title="Circumstellar dust">Circumstellar dust</a></li> <li><a href="/wiki/Circumstellar_envelope" title="Circumstellar envelope">Circumstellar envelope</a></li> <li><a href="/wiki/Cosmic_dust" title="Cosmic dust">Cosmic dust</a></li> <li><a href="/wiki/Cosmic_ray" title="Cosmic ray">Cosmic ray</a></li> <li><a href="/wiki/Cosmochemistry" title="Cosmochemistry">Cosmochemistry</a></li> <li><a href="/wiki/Diffuse_interstellar_band" class="mw-redirect" title="Diffuse interstellar band">Diffuse interstellar band</a></li> <li><a href="/wiki/Earliest_known_life_forms" title="Earliest known life forms">Earliest known life forms</a></li> <li><a href="/wiki/Extraterrestrial_life" title="Extraterrestrial life">Extraterrestrial life</a></li> <li><a href="/wiki/Extraterrestrial_liquid_water" title="Extraterrestrial liquid water">Extraterrestrial liquid water</a></li> <li><a href="/wiki/Forbidden_mechanism" title="Forbidden mechanism">Forbidden mechanism</a></li> <li><a href="/wiki/Homochirality" title="Homochirality">Homochirality</a></li> <li><a href="/wiki/Intergalactic_dust" title="Intergalactic dust">Intergalactic dust</a></li> <li><a href="/wiki/Interplanetary_medium" title="Interplanetary medium">Interplanetary medium</a></li> <li><a href="/wiki/Interstellar_medium" title="Interstellar medium">Interstellar medium</a></li> <li><a href="/wiki/Photodissociation_region" title="Photodissociation region">Photodissociation region</a></li> <li><a href="/wiki/Iron%E2%80%93sulfur_world_theory" class="mw-redirect" title="Iron–sulfur world theory">Iron–sulfur world theory</a></li> <li><a href="/wiki/Kerogen" title="Kerogen">Kerogen</a></li> <li><a href="/wiki/Molecules_in_stars" title="Molecules in stars">Molecules in stars</a></li> <li><a href="/wiki/Nexus_for_Exoplanet_System_Science" title="Nexus for Exoplanet System Science">Nexus for Exoplanet System Science</a></li> <li><a href="/wiki/Organic_compound" title="Organic compound">Organic compound</a></li> <li><a href="/wiki/Outer_space" title="Outer space">Outer space</a></li> <li><a href="/wiki/PAH_world_hypothesis" title="PAH world hypothesis">PAH world hypothesis</a></li> <li><a href="/wiki/Pseudo-panspermia" title="Pseudo-panspermia">Pseudo-panspermia</a></li> <li><a href="/wiki/Polycyclic_aromatic_hydrocarbon" title="Polycyclic aromatic hydrocarbon">Polycyclic aromatic hydrocarbon</a> (PAH)</li> <li><a href="/wiki/RNA_world_hypothesis" class="mw-redirect" title="RNA world hypothesis">RNA world hypothesis</a></li> <li><a href="/wiki/Spectroscopy" title="Spectroscopy">Spectroscopy</a></li> <li><a href="/wiki/Tholin" title="Tholin">Tholin</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="font-weight: bold;"><div> <ul><li><b><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, 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