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mw-first-heading"><span class="mw-page-title-main">Peroxide</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 59 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-59" 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">59 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A8%D9%8A%D8%B1%D9%88%D9%83%D8%B3%D9%8A%D8%AF" title="بيروكسيد – Arabic" lang="ar" hreflang="ar" data-title="بيروكسيد" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Per%C3%B3xidu" title="Peróxidu – Asturian" lang="ast" hreflang="ast" data-title="Peróxidu" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Peroksidl%C9%99r" title="Peroksidlər – Azerbaijani" lang="az" hreflang="az" data-title="Peroksidlər" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A6%BE%E0%A6%B0%E0%A6%95%E0%A7%8D%E0%A6%B8%E0%A6%BE%E0%A6%87%E0%A6%A1" title="পারক্সাইড – Bangla" lang="bn" hreflang="bn" data-title="পারক্সাইড" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%B0%D0%BA%D1%81%D1%96%D0%B4%D1%8B" title="Пераксіды – Belarusian" lang="be" hreflang="be" data-title="Пераксіды" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B4" title="Пероксид – Bulgarian" lang="bg" hreflang="bg" data-title="Пероксид" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Peroksid" title="Peroksid – Bosnian" lang="bs" hreflang="bs" data-title="Peroksid" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Per%C3%B2xid" title="Peròxid – Catalan" lang="ca" hreflang="ca" data-title="Peròxid" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Peroxidy" title="Peroxidy – Czech" lang="cs" hreflang="cs" data-title="Peroxidy" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Peroxid" title="Peroxid – Danish" lang="da" hreflang="da" data-title="Peroxid" 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/Peroxide" title="Peroxide – German" lang="de" hreflang="de" data-title="Peroxide" 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/Peroksiidid" title="Peroksiidid – Estonian" lang="et" hreflang="et" data-title="Peroksiidid" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Per%C3%B3xido" title="Peróxido – Spanish" lang="es" hreflang="es" data-title="Peróxido" 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/Peroksido" title="Peroksido – Esperanto" lang="eo" hreflang="eo" data-title="Peroksido" 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/Peroxido" title="Peroxido – Basque" lang="eu" hreflang="eu" data-title="Peroxido" 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/%D9%BE%D8%B1%D8%A7%DA%A9%D8%B3%DB%8C%D8%AF" title="پراکسید – Persian" lang="fa" hreflang="fa" data-title="پراکسید" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Peroxyde" title="Peroxyde – French" lang="fr" hreflang="fr" data-title="Peroxyde" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Per%C3%B3xido" title="Peróxido – Galician" lang="gl" hreflang="gl" data-title="Peróxido" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B3%BC%EC%82%B0%ED%99%94%EB%AC%BC" title="과산화물 – Korean" lang="ko" hreflang="ko" data-title="과산화물" 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/%D5%8A%D5%A5%D6%80%D6%85%D6%84%D5%BD%D5%AB%D5%A4%D5%B6%D5%A5%D6%80" title="Պերօքսիդներ – Armenian" lang="hy" hreflang="hy" data-title="Պերօքսիդներ" 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%AA%E0%A5%87%E0%A4%B0%E0%A5%8B%E0%A4%95%E0%A5%8D%E0%A4%B8%E0%A4%BE%E0%A4%87%E0%A4%A1" title="पेरोक्साइड – Hindi" lang="hi" hreflang="hi" data-title="पेरोक्साइड" 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/Peroksidi" title="Peroksidi – Croatian" lang="hr" hreflang="hr" data-title="Peroksidi" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Peroksida" title="Peroksida – Indonesian" lang="id" hreflang="id" data-title="Peroksida" 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-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Perossidi" title="Perossidi – Italian" lang="it" hreflang="it" data-title="Perossidi" 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%A2%D7%9C-%D7%AA%D7%97%D7%9E%D7%95%D7%A6%D7%AA" title="על-תחמוצת – Hebrew" lang="he" hreflang="he" data-title="על-תחמוצת" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9E%E1%83%94%E1%83%A0%E1%83%9D%E1%83%A5%E1%83%A1%E1%83%98%E1%83%93%E1%83%98" title="პეროქსიდი – Georgian" lang="ka" hreflang="ka" data-title="პეროქსიდი" 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%9F%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B4%D1%82%D1%96_%D2%9B%D0%BE%D1%81%D1%8B%D0%BB%D1%8B%D1%81%D1%82%D0%B0%D1%80" title="Пероксидті қосылыстар – Kazakh" lang="kk" hreflang="kk" data-title="Пероксидті қосылыстар" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B4%D0%B4%D0%B5%D1%80" title="Пероксиддер – Kyrgyz" lang="ky" hreflang="ky" data-title="Пероксиддер" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Peroks%C4%ABdi" title="Peroksīdi – Latvian" lang="lv" hreflang="lv" data-title="Peroksīdi" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Peroksidas" title="Peroksidas – Lithuanian" lang="lt" hreflang="lt" data-title="Peroksidas" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Peroxidok" title="Peroxidok – Hungarian" lang="hu" hreflang="hu" data-title="Peroxidok" 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%9F%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B4" title="Пероксид – Macedonian" lang="mk" hreflang="mk" data-title="Пероксид" 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%AA%E0%B5%86%E0%B4%B1%E0%B5%8B%E0%B4%95%E0%B5%8D%E0%B4%B8%E0%B5%88%E0%B4%A1%E0%B5%8D" title="പെറോക്സൈഡ് – Malayalam" lang="ml" hreflang="ml" data-title="പെറോക്സൈഡ്" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Peroksida" title="Peroksida – Malay" lang="ms" hreflang="ms" data-title="Peroksida" 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-mdf mw-list-item"><a href="https://mdf.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D1%82%D1%82%D0%BD%D0%B5" title="Перокситтне – Moksha" lang="mdf" hreflang="mdf" data-title="Перокситтне" data-language-autonym="Мокшень" data-language-local-name="Moksha" class="interlanguage-link-target"><span>Мокшень</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Peroxide" title="Peroxide – Dutch" lang="nl" hreflang="nl" data-title="Peroxide" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E9%81%8E%E9%85%B8%E5%8C%96%E7%89%A9" title="過酸化物 – Japanese" lang="ja" hreflang="ja" data-title="過酸化物" 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-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Peroksid" title="Peroksid – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Peroksid" 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-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Peroxid" title="Peroxid – Occitan" lang="oc" hreflang="oc" data-title="Peroxid" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Perooksaayidii" title="Perooksaayidii – Oromo" lang="om" hreflang="om" data-title="Perooksaayidii" data-language-autonym="Oromoo" data-language-local-name="Oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Peroxid" title="Peroxid – Low German" lang="nds" hreflang="nds" data-title="Peroxid" 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/Nadtlenki" title="Nadtlenki – Polish" lang="pl" hreflang="pl" data-title="Nadtlenki" 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/Per%C3%B3xido" title="Peróxido – Portuguese" lang="pt" hreflang="pt" data-title="Peróxido" 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/Peroxid" title="Peroxid – Romanian" lang="ro" hreflang="ro" data-title="Peroxid" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B4%D1%8B" title="Пероксиды – Russian" lang="ru" hreflang="ru" data-title="Пероксиды" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Peroxide" title="Peroxide – Simple English" lang="en-simple" hreflang="en-simple" data-title="Peroxide" 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/Peroxid" title="Peroxid – Slovak" lang="sk" hreflang="sk" data-title="Peroxid" 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/Peroksid" title="Peroksid – Slovenian" lang="sl" hreflang="sl" data-title="Peroksid" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B4" title="Пероксид – Serbian" lang="sr" hreflang="sr" data-title="Пероксид" 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/Peroksid" title="Peroksid – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Peroksid" 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/Peroksidi" title="Peroksidi – Finnish" lang="fi" hreflang="fi" data-title="Peroksidi" 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/Peroxid" title="Peroxid – Swedish" lang="sv" hreflang="sv" data-title="Peroxid" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AA%E0%AF%86%E0%AE%B0%E0%AE%BE%E0%AE%95%E0%AF%8D%E0%AE%9A%E0%AF%88%E0%AE%9F%E0%AF%81" title="பெராக்சைடு – Tamil" lang="ta" hreflang="ta" data-title="பெராக்சைடு" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Peroksit" title="Peroksit – Turkish" lang="tr" hreflang="tr" data-title="Peroksit" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B4%D0%B8" title="Пероксиди – Ukrainian" lang="uk" hreflang="uk" data-title="Пероксиди" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Peroxide" title="Peroxide – Vietnamese" lang="vi" hreflang="vi" data-title="Peroxide" 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/%E9%81%8E%E6%B0%A7%E5%8C%96%E7%89%A9" title="過氧化物 – Literary 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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="cdx-message cdx-message--block cdx-message--warning"><span class="cdx-message__icon"></span><div class="cdx-message__content">The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.</div></div><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compounds with the structure R–O–O–R'</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 other uses, see <a href="/wiki/Peroxide_(disambiguation)" class="mw-disambig" title="Peroxide (disambiguation)">Peroxide (disambiguation)</a>.</div> <p>In <a href="/wiki/Chemistry" title="Chemistry">chemistry</a>, <b>peroxides</b> are a group of <a href="/wiki/Chemical_compound" title="Chemical compound">compounds</a> with the structure <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">R−O−O−R</span>, where the R's represent a radical (a portion of a complete molecule; not necessarily a <a href="/wiki/Free_radical" class="mw-redirect" title="Free radical">free radical</a><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>) and O's are single <a href="/wiki/Oxygen" title="Oxygen">oxygen</a> atoms.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Oxygen atoms are joined to each other and to adjacent elements through <a href="/wiki/Single_bond" title="Single bond">single covalent bonds</a>, denoted by dashes or lines. The <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O−O</span> group in a peroxide is often called the <b>peroxide group,</b> though some nomenclature discrepancies exist. This linkage is recognized as a common <a href="/wiki/Polyatomic_ion" title="Polyatomic ion">polyatomic ion</a>, and exists in many molecules. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="General_structure">General structure</h2></div> <p>The characteristic structure of any regular peroxide is the oxygen-oxygen covalent single bond, which connects the two main atoms together. In the event that the molecule has no chemical <a href="/wiki/Substituent" title="Substituent">substituents</a>, the peroxy group will have a [-2] <a href="/wiki/Formal_charge" title="Formal charge">net charge</a>. Each oxygen atom has a charge of negative one, as 5 of its <a href="/wiki/Valence_electron" title="Valence electron">valence electrons</a> remain in the outermost <a href="/wiki/Atomic_orbital" title="Atomic orbital">orbital shell</a> whilst one is occupied in the <a href="/wiki/Covalent_bond" title="Covalent bond">covalent bond</a>. Because of the nature of the covalent bond, this arrangement results in each atom having the equivalent of 7 valence electrons, <a href="/wiki/Redox" title="Redox">reducing</a> the oxygens and giving them a negative charge. This charge is affected by the addition of other elements, with the properties and structure changing depending on the added group(s). </p> <div class="mw-heading mw-heading2"><h2 id="Common_forms">Common forms</h2></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Peroxide_group_v.2.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Peroxide_group_v.2.png/182px-Peroxide_group_v.2.png" decoding="async" width="182" height="324" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Peroxide_group_v.2.png/273px-Peroxide_group_v.2.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/98/Peroxide_group_v.2.png/364px-Peroxide_group_v.2.png 2x" data-file-width="1636" data-file-height="2912" /></a><figcaption>Types of peroxides, from top to bottom: peroxide ion, <a href="/wiki/Organic_peroxide" class="mw-redirect" title="Organic peroxide">organic peroxide</a>, organic hydroperoxide, <a href="/wiki/Peracid" class="mw-redirect" title="Peracid">peracid</a>. The peroxide group is marked in <b>blue</b>. R, R<sup>1</sup> and R<sup>2</sup> mark hydrocarbon <a href="/wiki/Moiety_(chemistry)" title="Moiety (chemistry)">moieties</a>.</figcaption></figure> <p>The most common peroxide is <a href="/wiki/Hydrogen_peroxide" title="Hydrogen peroxide">hydrogen peroxide</a> (<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">2</sub></span>), colloquially known simply as "peroxide". It is marketed as solutions in water at various concentrations. Many organic peroxides are known as well. </p><p>In addition to hydrogen peroxide, some other major classes of peroxides are: </p> <ul><li><a href="/wiki/Peroxy_acid" title="Peroxy acid">Peroxy acids</a>, the peroxy derivatives of many familiar acids, examples being <a href="/wiki/Peroxymonosulfuric_acid" title="Peroxymonosulfuric acid">peroxymonosulfuric acid</a> and <a href="/wiki/Peracetic_acid" title="Peracetic acid">peracetic acid</a>, and their salts, one example of which is <a href="/wiki/Potassium_peroxydisulfate" class="mw-redirect" title="Potassium peroxydisulfate">potassium peroxydisulfate</a>.</li> <li><a href="/wiki/Main_group_peroxides" title="Main group peroxides">Main group peroxides</a>, compounds with the linkage <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">E−O−O−E</span> (E = <a href="/wiki/Main_group_element" class="mw-redirect" title="Main group element">main group element</a>).<style data-mw-deduplicate="TemplateStyles:r1237032888/mw-parser-output/.tmulti">.mw-parser-output .tmulti .multiimageinner{display:flex;flex-direction:column}.mw-parser-output .tmulti .trow{display:flex;flex-direction:row;clear:left;flex-wrap:wrap;width:100%;box-sizing:border-box}.mw-parser-output .tmulti .tsingle{margin:1px;float:left}.mw-parser-output .tmulti .theader{clear:both;font-weight:bold;text-align:center;align-self:center;background-color:transparent;width:100%}.mw-parser-output .tmulti .thumbcaption{background-color:transparent}.mw-parser-output .tmulti .text-align-left{text-align:left}.mw-parser-output .tmulti .text-align-right{text-align:right}.mw-parser-output .tmulti .text-align-center{text-align:center}@media all and (max-width:720px){.mw-parser-output .tmulti .thumbinner{width:100%!important;box-sizing:border-box;max-width:none!important;align-items:center}.mw-parser-output .tmulti .trow{justify-content:center}.mw-parser-output .tmulti .tsingle{float:none!important;max-width:100%!important;box-sizing:border-box;text-align:center}.mw-parser-output .tmulti .tsingle .thumbcaption{text-align:left}.mw-parser-output .tmulti .trow>.thumbcaption{text-align:center}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .tmulti .multiimageinner img{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .tmulti .multiimageinner img{background-color:white}}</style><div class="thumb tmulti tright"><div class="thumbinner multiimageinner" style="width:219px;max-width:219px"><div class="trow"><div class="tsingle" style="width:217px;max-width:217px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:H2O2_gas_structure.svg" class="mw-file-description"><img alt="O−O bond length = 147.4 pm O−H bond length = 95.0 pm" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/H2O2_gas_structure.svg/215px-H2O2_gas_structure.svg.png" decoding="async" width="215" height="104" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/H2O2_gas_structure.svg/323px-H2O2_gas_structure.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/H2O2_gas_structure.svg/430px-H2O2_gas_structure.svg.png 2x" data-file-width="1011" data-file-height="490" /></a></span></div><div class="thumbcaption">Structure and dimensions of <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">2</sub></span> in gas phase.</div></div></div></div></div></li> <li><a href="/wiki/Metal_peroxide" title="Metal peroxide">Metal peroxides</a>, examples being <a href="/wiki/Barium_peroxide" title="Barium peroxide">barium peroxide</a> (<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">BaO<sub class="template-chem2-sub">2</sub></span>), <a href="/wiki/Sodium_peroxide" title="Sodium peroxide">sodium peroxide</a> (<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Na<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">2</sub></span>) and <a href="/wiki/Zinc_peroxide" title="Zinc peroxide">zinc peroxide</a> (<link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">ZnO<sub class="template-chem2-sub">2</sub></span>).</li> <li><a href="/wiki/Organic_peroxide" class="mw-redirect" title="Organic peroxide">Organic peroxides</a>, compounds with the linkage <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C−O−O−C</span> or <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C−O−O−H</span>. One example is <a href="/wiki/Tert-Butyl_hydroperoxide" title="Tert-Butyl hydroperoxide"><i>tert</i>-butylhydroperoxide</a>.</li></ul> <p><br /> </p><p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="Nomenclature">Nomenclature</h2></div> <p>The linkage between the oxygen molecules is known as a <b>peroxy group</b> (sometimes called <b>peroxo group,</b> <b>peroxyl group, of peroxy linkage</b>). The nomenclature of the peroxy group is somewhat variable,<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and exists as an exception to the rules of naming polyatomic ions. This is due to the fact that when it was discovered, it was believed to be monatomic.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The term was introduced by <a href="/wiki/Thomas_Thomson_(chemist)" title="Thomas Thomson (chemist)">Thomas Thomson</a> in 1804 for a compound combined with as much oxygen as possible,<i><b><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup></b></i> or the oxide with the greatest quantity of oxygen.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</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 web cs1"><a rel="nofollow" class="external text" href="http://www.chem.ucla.edu/~harding/IGOC/R/r_group.html">"Illustrated Glossary of Organic Chemistry"</a>. <i>UCLA</i><span class="reference-accessdate">. Retrieved <span class="nowrap">June 19,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=UCLA&rft.atitle=Illustrated+Glossary+of+Organic+Chemistry&rft_id=http%3A%2F%2Fwww.chem.ucla.edu%2F~harding%2FIGOC%2FR%2Fr_group.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3APeroxide" 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 id="CITEREFGreenwoodEarnshaw1997" class="citation book cs1"><a href="/wiki/Norman_Greenwood" title="Norman Greenwood">Greenwood, Norman N.</a>; Earnshaw, Alan (1997). <i>Chemistry of the Elements</i> (2nd ed.). <a href="/wiki/Butterworth-Heinemann" title="Butterworth-Heinemann">Butterworth-Heinemann</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-08-037941-8" title="Special:BookSources/978-0-08-037941-8"><bdi>978-0-08-037941-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Chemistry+of+the+Elements&rft.edition=2nd&rft.pub=Butterworth-Heinemann&rft.date=1997&rft.isbn=978-0-08-037941-8&rft.aulast=Greenwood&rft.aufirst=Norman+N.&rft.au=Earnshaw%2C+Alan&rfr_id=info%3Asid%2Fen.wikipedia.org%3APeroxide" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSmith,_Michael_B.March,_Jerry2007" class="citation cs2">Smith, Michael B.; <a href="/wiki/Jerry_March" title="Jerry March">March, Jerry</a> (2007), <a rel="nofollow" class="external text" href="https://books.google.com/books?id=JDR-nZpojeEC&printsec=frontcover"><i>Advanced Organic Chemistry: Reactions, Mechanisms, and Structure</i></a> (6th ed.), New York: Wiley-Interscience, <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-471-72091-1" title="Special:BookSources/978-0-471-72091-1"><bdi>978-0-471-72091-1</bdi></a></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Advanced+Organic+Chemistry%3A+Reactions%2C+Mechanisms%2C+and+Structure&rft.place=New+York&rft.edition=6th&rft.pub=Wiley-Interscience&rft.date=2007&rft.isbn=978-0-471-72091-1&rft.au=Smith%2C+Michael+B.&rft.au=March%2C+Jerry&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DJDR-nZpojeEC%26printsec%3Dfrontcover&rfr_id=info%3Asid%2Fen.wikipedia.org%3APeroxide" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><a href="/wiki/International_Union_of_Pure_and_Applied_Chemistry" title="International Union of Pure and Applied Chemistry">IUPAC</a>, <i><a href="/wiki/IUPAC_books#Gold_Book" class="mw-redirect" title="IUPAC books">Compendium of Chemical Terminology</a></i>, 2nd ed. (the "Gold Book") (1997). Online corrected version: (2006–) "<a rel="nofollow" class="external text" href="https://goldbook.iupac.org/terms/view/P04510.html">peroxides</a>". <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1351%2Fgoldbook.P04510">10.1351/goldbook.P04510</a></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</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://chemed.chem.purdue.edu/genchem/topicreview/bp/ch2/names.html">"Nomenclature"</a>. <i>Purdue Division of Chemical Education</i>. 2004<span class="reference-accessdate">. Retrieved <span class="nowrap">March 25,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Purdue+Division+of+Chemical+Education&rft.atitle=Nomenclature&rft.date=2004&rft_id=https%3A%2F%2Fchemed.chem.purdue.edu%2Fgenchem%2Ftopicreview%2Fbp%2Fch2%2Fnames.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3APeroxide" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFThomson1804" class="citation book cs1 cs1-prop-location-test">Thomson, Thomas (1804). "4". <i>A System of Chemistry</i>. Vol. 1 (2nd ed.). Edinburgh: Bell and Bradfute. pp. division 1, page 103 – via Google books.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=4&rft.btitle=A+System+of+Chemistry&rft.place=Edinburgh&rft.pages=division+1%2C+page+103&rft.edition=2nd&rft.pub=Bell+and+Bradfute&rft.date=1804&rft.aulast=Thomson&rft.aufirst=Thomas&rfr_id=info%3Asid%2Fen.wikipedia.org%3APeroxide" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_book" title="Template:Cite book">cite book</a>}}</code>: CS1 maint: date and year (<a href="/wiki/Category:CS1_maint:_date_and_year" title="Category:CS1 maint: date and year">link</a>)</span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHarper,_Douglas." class="citation web cs1">Harper, Douglas. <a rel="nofollow" class="external text" href="https://www.etymonline.com/word/peroxide#:~:text=peroxide%20(n.),effective%20bleaching%20agent%20for%20hair).">"Peroxide"</a>. <i>Online Etymology Dictionary</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Online+Etymology+Dictionary&rft.atitle=Peroxide&rft.au=Harper%2C+Douglas.&rft_id=https%3A%2F%2Fwww.etymonline.com%2Fword%2Fperoxide%23%3A~%3Atext%3Dperoxide%2520%28n.%29%2Ceffective%2520bleaching%2520agent%2520for%2520hair%29.&rfr_id=info%3Asid%2Fen.wikipedia.org%3APeroxide" class="Z3988"></span></span> </li> </ol></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output 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abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Functional_groups" title="Template:Functional groups"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Functional_groups" title="Template talk:Functional groups"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Functional_groups" title="Special:EditPage/Template:Functional groups"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Functional_groups" style="font-size:114%;margin:0 4em"><a href="/wiki/Functional_group" title="Functional group">Functional groups</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Hydrocarbon" title="Hydrocarbon">Hydrocarbons</a> <br /><span class="nobold">(only C and H)</span></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/Alkyl" class="mw-redirect" title="Alkyl">Alkyl</a> <ul><li><a href="/wiki/Methyl_group" title="Methyl group">Methyl</a></li> <li><a href="/wiki/Ethyl_group" title="Ethyl group">Ethyl</a></li> <li><a href="/wiki/Propyl_group" title="Propyl group">Propyl</a></li> <li><a href="/wiki/Cyclopropyl" class="mw-redirect" title="Cyclopropyl">Cyclopropyl</a></li> <li><a href="/wiki/Butyl_group" title="Butyl group">Butyl</a></li> <li><a href="/wiki/Pentyl_group" title="Pentyl group">Pentyl</a></li></ul></li> <li><a href="/wiki/Methylene_group" title="Methylene group">Methylene</a> <ul><li><a href="/wiki/Methylene_bridge" title="Methylene bridge">Bridge</a></li> <li><a href="/wiki/Methine_group" title="Methine group">Methine</a></li></ul></li> <li><a href="/wiki/Alkene" title="Alkene">Alkene</a> <ul><li><a href="/wiki/Vinyl_group" title="Vinyl group">Vinyl</a></li> <li><a href="/wiki/Allyl_group" title="Allyl group">Allyl</a></li> <li><a href="/wiki/Propenyl" title="Propenyl">1-Propenyl</a></li> <li><a href="/wiki/Crotyl_group" title="Crotyl group">Crotyl</a></li> <li><a href="/wiki/Allenes" title="Allenes">Allene</a></li> <li><a href="/wiki/Cumulene" title="Cumulene">Cumulene</a></li></ul></li> <li><a href="/wiki/Aryl" class="mw-redirect" title="Aryl">Aryl</a> <ul><li><a href="/wiki/Phenyl_group" title="Phenyl group">Phenyl</a></li> <li><a href="/wiki/Benzyl_group" title="Benzyl group">Benzyl</a></li></ul></li> <li><a href="/wiki/Alkyne" title="Alkyne">Alkyne</a></li> <li><a href="/wiki/Carbene" title="Carbene">Carbene</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Only <a href="/wiki/Carbon" title="Carbon">carbon</a>, <br /><a href="/wiki/Hydrogen" title="Hydrogen">hydrogen</a>, <br />and <a href="/wiki/Oxygen" title="Oxygen">oxygen</a> <br /><span class="nobold">(only C, H and O)</span></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%">R-O-R</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/Acetal" title="Acetal">Acetal</a></li> <li><a href="/wiki/Alcohol_(chemistry)" title="Alcohol (chemistry)">Alcohol</a></li> <li><a href="/wiki/Alkoxy_group" title="Alkoxy group">Alkoxy</a> <ul><li><a href="/wiki/Methoxy_group" title="Methoxy group">Methoxy</a></li></ul></li> <li><a href="/wiki/Ether" title="Ether">Ether</a> <ul><li><a href="/wiki/Enol_ether" title="Enol ether">Enol ether</a></li> <li><a href="/wiki/Epoxide" title="Epoxide">Epoxide</a></li></ul></li> <li><a href="/wiki/Organic_peroxides" title="Organic peroxides">Peroxy</a> <ul><li><a href="/wiki/Hydroperoxide" title="Hydroperoxide">Hydroperoxy</a></li> <li><a href="/wiki/Dioxirane" title="Dioxirane">Dioxiranes</a></li></ul></li> <li><a href="/wiki/Ethylenedioxy" title="Ethylenedioxy">Ethylenedioxy</a></li> <li><a href="/wiki/Methylenedioxy" title="Methylenedioxy">Methylenedioxy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Carbonyl_group" title="Carbonyl group">carbonyl</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/Acyl_group" title="Acyl group">Acyl</a> <ul><li><a href="/wiki/Acetyl_group" title="Acetyl group">Acetyl</a></li> <li><a href="/wiki/Acryloyl_group" class="mw-redirect" title="Acryloyl group">Acryloyl</a></li> <li><a href="/wiki/Benzoyl_group" title="Benzoyl group">Benzoyl</a></li></ul></li> <li><a href="/wiki/Aldehyde" title="Aldehyde">Aldehyde</a> <ul><li><a href="/wiki/Ketene" title="Ketene">Ketene</a></li></ul></li> <li><a href="/wiki/Ketone" title="Ketone">Ketone</a></li> <li><a href="/wiki/Ynone" title="Ynone">Ynone</a></li> <li><a href="/wiki/Reductone" title="Reductone">Reductone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">carboxy</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/Carboxylic_acid" title="Carboxylic acid">Carboxyl</a> <ul><li><a href="/wiki/Acetoxy_group" title="Acetoxy group">Acetoxy</a></li> <li><a href="/wiki/Carboxylic_anhydride" class="mw-redirect" title="Carboxylic anhydride">Anhydride</a></li></ul></li> <li><a href="/wiki/Ester" title="Ester">Ester</a> <ul><li><a href="/wiki/Orthoester" class="mw-redirect" title="Orthoester">Orthoester</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Only one <br />element, <br />not being <br />carbon, <br />hydrogen, <br />or oxygen <br /><span class="nobold">(one element, <br />not C, H or O)</span></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/Nitrogen" title="Nitrogen">Nitrogen</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/Amine" title="Amine">Amine</a> <ul><li><a href="/wiki/Enamine" title="Enamine">Enamine</a></li> <li><a href="/wiki/Quaternary_ammonium_cation" title="Quaternary ammonium cation">Ammonium</a></li></ul></li> <li><a href="/wiki/Hydrazines" title="Hydrazines">Hydrazo</a></li> <li><a href="/wiki/Nitrene" title="Nitrene">Nitrene</a></li> <li><a href="/wiki/Imine" title="Imine">Imine</a></li> <li><a href="/wiki/Oxime" title="Oxime">Oxime</a></li> <li><a href="/wiki/Hydrazone" title="Hydrazone">Hydrazone</a></li> <li><a href="/wiki/Azo_compound" title="Azo compound">Azo</a></li> <li><a href="/wiki/Amide_(functional_group)" title="Amide (functional group)">Amide</a></li> <li><a href="/wiki/Imidate" class="mw-redirect" title="Imidate">Imidate</a></li> <li><a href="/wiki/Amidine" title="Amidine">Amidine</a></li> <li><a href="/wiki/Carbamate" title="Carbamate">Carbamate</a></li> <li><a href="/wiki/Imide" title="Imide">Imide</a></li> <li><a href="/wiki/Nitrile" title="Nitrile">Nitrile</a></li> <li><a href="/wiki/Isocyanide" title="Isocyanide">Isonitrile</a></li> <li><a href="/wiki/Cyanate_ester" title="Cyanate ester">Cyanate</a></li> <li><a href="/wiki/Isocyanate" title="Isocyanate">Isocyanate</a></li> <li><a href="/wiki/Nitrate_ester" title="Nitrate ester">Nitrate</a></li> <li><a href="/wiki/Nitrite_ester" class="mw-redirect" title="Nitrite ester">Nitrite</a></li> <li><a href="/wiki/Nitro_compound" title="Nitro compound">Nitro</a></li> <li><a href="/wiki/Nitroso" title="Nitroso">Nitroso</a></li> <li><a href="/wiki/NONOate" title="NONOate">NONOate</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Phosphorus" title="Phosphorus">Phosphorus</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/Organophosphate" title="Organophosphate">Phosphate</a> <ul><li><a href="/wiki/Phosphodiester" class="mw-redirect" title="Phosphodiester">Phosphodiester</a></li></ul></li> <li><a href="/wiki/Phosphonate" title="Phosphonate">Phosphonate</a> <ul><li><a href="/wiki/Phosphite_ester" title="Phosphite ester">Phosphite</a></li></ul></li> <li><a href="/wiki/Phosphonite" title="Phosphonite">Phosphonous</a></li> <li><a href="/wiki/Phosphinate" title="Phosphinate">Phosphinate</a></li> <li><a href="/wiki/Phosphine_oxide" title="Phosphine oxide">Phosphine oxide</a></li> <li><a href="/wiki/Organophosphine" title="Organophosphine">Phosphine</a> <ul><li><a href="/wiki/Phosphonium" title="Phosphonium">Phosphonium</a></li></ul></li> <li><a href="/wiki/Phosphaalkene" title="Phosphaalkene">Phosphaalkene</a></li> <li><a href="/wiki/Phosphaalkyne" title="Phosphaalkyne">Phosphaalkyne</a></li> <li><a href="/wiki/1-Phosphaallenes" title="1-Phosphaallenes">Phosphaallene</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sulfur" title="Sulfur">Sulfur</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/Thiol" title="Thiol">Thiol</a></li> <li><a href="/wiki/Sulfide_(organic)" class="mw-redirect" title="Sulfide (organic)">Sulfide</a> <ul><li><a href="/wiki/Sulfonium" title="Sulfonium">Sulfonium</a></li></ul></li> <li><a href="/wiki/Persulfide" title="Persulfide">Persulfide</a></li> <li><a href="/wiki/Disulfide" title="Disulfide">Disulfide</a></li> <li><a href="/wiki/Sulfenic_acid" title="Sulfenic acid">Sulfenic acid</a></li> <li><a href="/wiki/Thiosulfinate" title="Thiosulfinate">Thiosulfinate</a></li> <li><a href="/wiki/Sulfoxide" title="Sulfoxide">Sulfoxide</a></li> <li><a href="/wiki/Thiosulfonate" title="Thiosulfonate">Thiosulfonate</a></li> <li><a href="/wiki/Sulfinic_acid" title="Sulfinic acid">Sulfinic acid</a></li> <li><a href="/wiki/Sulfone" title="Sulfone">Sulfone</a></li> <li><a href="/wiki/Sulfonic_acid" title="Sulfonic acid">Sulfonic acid</a></li> <li><a href="/wiki/Thioketone" title="Thioketone">Thioketone</a></li> <li><a href="/wiki/Thial" title="Thial">Thial</a></li> <li><a href="/wiki/Thioester" title="Thioester">Thioester</a></li> <li><a href="/wiki/Thionoester" class="mw-redirect" title="Thionoester">Thionoester</a></li> <li><a href="/wiki/Thioxanthate" title="Thioxanthate">Thioxanthate</a></li> <li><a href="/wiki/Xanthate" title="Xanthate">Xanthate</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Boron" title="Boron">Boron</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/Boronic_acid" title="Boronic acid">Boronic acid</a></li> <li><a href="/wiki/Borinic_acid" title="Borinic acid">Borinic acid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Selenium" title="Selenium">Selenium</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/Selenol" title="Selenol">Selenol</a></li> <li><a href="/wiki/Selenonic_acid" title="Selenonic acid">Selenonic acid</a></li> <li><a href="/wiki/Seleninic_acid" title="Seleninic acid">Seleninic acid</a></li> <li><a href="/wiki/Selenenic_acid" title="Selenenic acid">Selenenic acid</a></li> <li><a href="/wiki/Selone" title="Selone">Selone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Tellurium" title="Tellurium">Tellurium</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/Tellurol" title="Tellurol">Tellurol</a></li> <li><a href="/wiki/Telluroketone" title="Telluroketone">Telluroketone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><i><a href="/wiki/Halocarbon" title="Halocarbon">Halo</a></i></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/Haloalkane" title="Haloalkane">Haloalkane</a> <ul><li><a href="/wiki/Fluoroethyl" title="Fluoroethyl">Fluoroethyl</a></li> <li><a href="/wiki/Trifluoromethyl" class="mw-redirect" title="Trifluoromethyl">Trifluoromethyl</a></li> <li><a href="/wiki/Trichloromethyl_group" title="Trichloromethyl group">Trichloromethyl</a></li> <li><a href="/wiki/Trifluoromethoxy_group" title="Trifluoromethoxy group">Trifluoromethoxy</a></li> <li><a href="/wiki/Iodane" class="mw-redirect" title="Iodane">Hypervalent iodine</a></li></ul></li> <li><a href="/wiki/Vinyl_halide" title="Vinyl halide">Vinyl halide</a> <ul><li><a href="/wiki/Vinyl_iodide_functional_group" title="Vinyl iodide functional group">Iodide</a></li></ul></li> <li><a href="/wiki/Acyl_halide" title="Acyl halide">Acyl halide</a> <ul><li><a href="/wiki/Acyl_chloride" title="Acyl chloride">Chloride</a></li></ul></li> <li><a href="/wiki/Perchlorate_ester" class="mw-redirect" title="Perchlorate ester">Perchlorate</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</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/Isothiocyanate" title="Isothiocyanate">Isothiocyanate</a></li> <li><a href="/wiki/Phosphoramides" title="Phosphoramides">Phosphoramides</a></li> <li><a href="/wiki/Sulfenyl_chloride" title="Sulfenyl chloride">Sulfenyl chloride</a></li> <li><a href="/wiki/Sulfonamide" title="Sulfonamide">Sulfonamide</a></li> <li><a href="/wiki/Organic_thiocyanates" title="Organic thiocyanates">Thiocyanate</a></li> <li><a href="/wiki/Sulfinylamine" title="Sulfinylamine">Sulfinylamines</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <dl><dt><span class="nobold">See also</span></dt> <dd><i><a href="/wiki/Chemical_classification" class="mw-redirect" title="Chemical classification">chemical classification</a></i></dd> <dd><i><a href="/wiki/Chemical_nomenclature" title="Chemical nomenclature">chemical nomenclature</a></i> <dl><dd><a href="/wiki/IUPAC_nomenclature_of_inorganic_chemistry" title="IUPAC nomenclature of inorganic chemistry">inorganic</a></dd> <dd><a href="/wiki/IUPAC_nomenclature_of_organic_chemistry" title="IUPAC nomenclature of organic chemistry">organic</a></dd></dl></dd></dl> </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"><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style></div><div role="navigation" class="navbox authority-control" aria-label="Navbox" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Help:Authority_control" 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