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data-event-name="pinnable-header.vector-toc.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">dölj</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inledning</div> </a> </li> <li id="toc-Historia" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historia"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Historia</span> </div> </a> <ul id="toc-Historia-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Egenskaper" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Egenskaper"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Egenskaper</span> </div> </a> <ul id="toc-Egenskaper-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Produktion" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Produktion"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Produktion</span> </div> </a> <ul id="toc-Produktion-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Användning" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Användning"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Användning</span> </div> </a> <ul id="toc-Användning-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Säkerhet,_giftighet,_hälsofaror" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Säkerhet,_giftighet,_hälsofaror"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Säkerhet, giftighet, hälsofaror</span> </div> </a> <ul id="toc-Säkerhet,_giftighet,_hälsofaror-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Förekomst_i_naturen" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Förekomst_i_naturen"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Förekomst i naturen</span> </div> </a> <ul id="toc-Förekomst_i_naturen-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Se_även" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Se_även"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Se även</span> </div> </a> <ul id="toc-Se_även-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Källor" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Källor"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Källor</span> </div> </a> <ul id="toc-Källor-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Externa_länkar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Externa_länkar"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Externa länkar</span> </div> </a> <ul id="toc-Externa_länkar-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="Innehåll" 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="Växla innehållsförteckningen" > <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">Växla innehållsförteckningen</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">Myrsyra</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="Gå till en artikel på ett annat språk. Tillgänglig på 71 språk" > <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-71" 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">71 språk</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/Mieresuur" title="Mieresuur – afrikaans" lang="af" hreflang="af" data-title="Mieresuur" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AD%D9%85%D8%B6_%D8%A7%D9%84%D9%81%D9%88%D8%B1%D9%85%D9%8A%D9%83" title="حمض الفورميك – arabiska" lang="ar" hreflang="ar" data-title="حمض الفورميك" data-language-autonym="العربية" data-language-local-name="arabiska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Qar%C4%B1%C5%9Fqa_tur%C5%9Fusu" title="Qarışqa turşusu – azerbajdzjanska" lang="az" hreflang="az" data-title="Qarışqa turşusu" data-language-autonym="Azərbaycanca" data-language-local-name="azerbajdzjanska" 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%B3%DB%8C%D8%AF_%D9%81%D8%B1%D9%85%DB%8C%DA%A9" title="اسید فرمیک – South Azerbaijani" lang="azb" hreflang="azb" data-title="اسید فرمیک" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Hi%C4%81-sng" title="Hiā-sng – min nan" lang="nan" hreflang="nan" data-title="Hiā-sng" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D1%83%D1%80%D0%B0%D1%88%D1%8B%D0%BD%D0%B0%D1%8F_%D0%BA%D1%96%D1%81%D0%BB%D0%B0%D1%82%D0%B0" title="Мурашыная кіслата – belarusiska" lang="be" hreflang="be" data-title="Мурашыная кіслата" data-language-autonym="Беларуская" data-language-local-name="belarusiska" 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%9C%D1%80%D0%B0%D0%B2%D1%87%D0%B5%D0%BD%D0%B0_%D0%BA%D0%B8%D1%81%D0%B5%D0%BB%D0%B8%D0%BD%D0%B0" title="Мравчена киселина – bulgariska" lang="bg" hreflang="bg" data-title="Мравчена киселина" data-language-autonym="Български" data-language-local-name="bulgariska" 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/Mravlja_kiselina" title="Mravlja kiselina – bosniska" lang="bs" hreflang="bs" data-title="Mravlja kiselina" data-language-autonym="Bosanski" data-language-local-name="bosniska" 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/%C3%80cid_f%C3%B2rmic" title="Àcid fòrmic – katalanska" lang="ca" hreflang="ca" data-title="Àcid fòrmic" data-language-autonym="Català" data-language-local-name="katalanska" 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/Kyselina_mraven%C4%8D%C3%AD" title="Kyselina mravenčí – tjeckiska" lang="cs" hreflang="cs" data-title="Kyselina mravenčí" data-language-autonym="Čeština" data-language-local-name="tjeckiska" 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/Asid_fformig" title="Asid fformig – walesiska" lang="cy" hreflang="cy" data-title="Asid fformig" data-language-autonym="Cymraeg" data-language-local-name="walesiska" 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/Myresyre" title="Myresyre – danska" lang="da" hreflang="da" data-title="Myresyre" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de badge-Q17437798 badge-goodarticle mw-list-item" title="bra artikel"><a href="https://de.wikipedia.org/wiki/Ameisens%C3%A4ure" title="Ameisensäure – tyska" lang="de" hreflang="de" data-title="Ameisensäure" data-language-autonym="Deutsch" data-language-local-name="tyska" 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/Metaanhape" title="Metaanhape – estniska" lang="et" hreflang="et" data-title="Metaanhape" data-language-autonym="Eesti" data-language-local-name="estniska" 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%9C%CF%85%CF%81%CE%BC%CE%B7%CE%BA%CE%B9%CE%BA%CF%8C_%CE%BF%CE%BE%CF%8D" title="Μυρμηκικό οξύ – grekiska" lang="el" hreflang="el" data-title="Μυρμηκικό οξύ" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Formic_acid" title="Formic acid – engelska" lang="en" hreflang="en" data-title="Formic acid" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/%C3%81cido_f%C3%B3rmico" title="Ácido fórmico – spanska" lang="es" hreflang="es" data-title="Ácido fórmico" data-language-autonym="Español" data-language-local-name="spanska" 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/Formiata_acido" title="Formiata acido – esperanto" lang="eo" hreflang="eo" data-title="Formiata acido" 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/Azido_formiko" title="Azido formiko – baskiska" lang="eu" hreflang="eu" data-title="Azido formiko" data-language-autonym="Euskara" data-language-local-name="baskiska" 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%81%D8%B1%D9%85%DB%8C%DA%A9_%D8%A7%D8%B3%DB%8C%D8%AF" title="فرمیک اسید – persiska" lang="fa" hreflang="fa" data-title="فرمیک اسید" data-language-autonym="فارسی" data-language-local-name="persiska" 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/Acide_m%C3%A9thano%C3%AFque" title="Acide méthanoïque – franska" lang="fr" hreflang="fr" data-title="Acide méthanoïque" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Aig%C3%A9ad_formach" title="Aigéad formach – iriska" lang="ga" hreflang="ga" data-title="Aigéad formach" data-language-autonym="Gaeilge" data-language-local-name="iriska" 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/%C3%81cido_f%C3%B3rmico" title="Ácido fórmico – galiciska" lang="gl" hreflang="gl" data-title="Ácido fórmico" data-language-autonym="Galego" data-language-local-name="galiciska" 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/%ED%8F%BC%EC%82%B0" title="폼산 – koreanska" lang="ko" hreflang="ko" data-title="폼산" data-language-autonym="한국어" data-language-local-name="koreanska" 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%84%D6%80%D5%BB%D5%B6%D5%A1%D5%A9%D5%A9%D5%B8%D6%82" title="Մրջնաթթու – armeniska" lang="hy" hreflang="hy" data-title="Մրջնաթթու" data-language-autonym="Հայերեն" data-language-local-name="armeniska" 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%AB%E0%A5%89%E0%A4%B0%E0%A5%8D%E0%A4%AE%E0%A4%BF%E0%A4%95_%E0%A4%85%E0%A4%AE%E0%A5%8D%E0%A4%B2" title="फॉर्मिक अम्ल – hindi" lang="hi" hreflang="hi" data-title="फॉर्मिक अम्ल" 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/Mravlja_kiselina" title="Mravlja kiselina – kroatiska" lang="hr" hreflang="hr" data-title="Mravlja kiselina" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" 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/Asam_format" title="Asam format – indonesiska" lang="id" hreflang="id" data-title="Asam format" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" 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/Mauras%C3%BDra" title="Maurasýra – isländska" lang="is" hreflang="is" data-title="Maurasýra" data-language-autonym="Íslenska" data-language-local-name="isländska" 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/Acido_formico" title="Acido formico – italienska" lang="it" hreflang="it" data-title="Acido formico" data-language-autonym="Italiano" data-language-local-name="italienska" 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%97%D7%95%D7%9E%D7%A6%D7%94_%D7%A4%D7%95%D7%A8%D7%9E%D7%99%D7%AA" title="חומצה פורמית – hebreiska" lang="he" hreflang="he" data-title="חומצה פורמית" data-language-autonym="עברית" data-language-local-name="hebreiska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D2%9A%D2%B1%D0%BC%D1%8B%D1%80%D1%81%D2%9B%D0%B0_%D2%9B%D1%8B%D1%88%D2%9B%D1%8B%D0%BB%D1%8B" title="Құмырсқа қышқылы – kazakiska" lang="kk" hreflang="kk" data-title="Құмырсқа қышқылы" data-language-autonym="Қазақша" data-language-local-name="kazakiska" 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%9A%D1%83%D0%BC%D1%83%D1%80%D1%81%D0%BA%D0%B0_%D0%BA%D0%B8%D1%81%D0%BB%D0%BE%D1%82%D0%B0%D1%81%D1%8B" title="Кумурска кислотасы – kirgiziska" lang="ky" hreflang="ky" data-title="Кумурска кислотасы" data-language-autonym="Кыргызча" data-language-local-name="kirgiziska" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Acidum_formicum" title="Acidum formicum – latin" lang="la" hreflang="la" data-title="Acidum formicum" 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/Skudrsk%C4%81be" title="Skudrskābe – lettiska" lang="lv" hreflang="lv" data-title="Skudrskābe" data-language-autonym="Latviešu" data-language-local-name="lettiska" 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/Methansaier" title="Methansaier – luxemburgiska" lang="lb" hreflang="lb" data-title="Methansaier" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgiska" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Aomezeikzoer" title="Aomezeikzoer – limburgiska" lang="li" hreflang="li" data-title="Aomezeikzoer" data-language-autonym="Limburgs" data-language-local-name="limburgiska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Hangyasav" title="Hangyasav – ungerska" lang="hu" hreflang="hu" data-title="Hangyasav" data-language-autonym="Magyar" data-language-local-name="ungerska" 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%9C%D1%80%D0%B0%D0%B2%D1%98%D0%B0_%D0%BA%D0%B8%D1%81%D0%B5%D0%BB%D0%B8%D0%BD%D0%B0" title="Мравја киселина – makedonska" lang="mk" hreflang="mk" data-title="Мравја киселина" data-language-autonym="Македонски" data-language-local-name="makedonska" 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%AB%E0%B5%8B%E0%B5%BC%E0%B4%AE%E0%B4%BF%E0%B4%95%E0%B5%8D_%E0%B4%85%E0%B4%AE%E0%B5%8D%E0%B4%B2%E0%B4%82" title="ഫോർമിക് അമ്ലം – malayalam" lang="ml" hreflang="ml" data-title="ഫോർമിക് അമ്ലം" 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/Asid_formik" title="Asid formik – malajiska" lang="ms" hreflang="ms" data-title="Asid formik" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Mierenzuur" title="Mierenzuur – nederländska" lang="nl" hreflang="nl" data-title="Mierenzuur" data-language-autonym="Nederlands" data-language-local-name="nederländska" 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/%E3%82%AE%E9%85%B8" title="ギ酸 – japanska" lang="ja" hreflang="ja" data-title="ギ酸" data-language-autonym="日本語" data-language-local-name="japanska" 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/Maursyre" title="Maursyre – norskt bokmål" lang="nb" hreflang="nb" data-title="Maursyre" data-language-autonym="Norsk bokmål" data-language-local-name="norskt 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/Maursyre" title="Maursyre – nynorska" lang="nn" hreflang="nn" data-title="Maursyre" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Asiidii_foormiik" title="Asiidii foormiik – oromo" lang="om" hreflang="om" data-title="Asiidii foormiik" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Chumoli_kislota" title="Chumoli kislota – uzbekiska" lang="uz" hreflang="uz" data-title="Chumoli kislota" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekiska" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Kwas_mr%C3%B3wkowy" title="Kwas mrówkowy – polska" lang="pl" hreflang="pl" data-title="Kwas mrówkowy" data-language-autonym="Polski" data-language-local-name="polska" 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/%C3%81cido_metanoico" title="Ácido metanoico – portugisiska" lang="pt" hreflang="pt" data-title="Ácido metanoico" data-language-autonym="Português" data-language-local-name="portugisiska" 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/Acid_formic" title="Acid formic – rumänska" lang="ro" hreflang="ro" data-title="Acid formic" data-language-autonym="Română" data-language-local-name="rumänska" 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/Sisi_p%27uchqu" title="Sisi p'uchqu – quechua" lang="qu" hreflang="qu" data-title="Sisi p'uchqu" 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%9C%D1%83%D1%80%D0%B0%D0%B2%D1%8C%D0%B8%D0%BD%D0%B0%D1%8F_%D0%BA%D0%B8%D1%81%D0%BB%D0%BE%D1%82%D0%B0" title="Муравьиная кислота – ryska" lang="ru" hreflang="ru" data-title="Муравьиная кислота" data-language-autonym="Русский" data-language-local-name="ryska" 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/Formic_acid" title="Formic acid – Simple English" lang="en-simple" hreflang="en-simple" data-title="Formic acid" 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/Kyselina_mrav%C4%8Dia" title="Kyselina mravčia – slovakiska" lang="sk" hreflang="sk" data-title="Kyselina mravčia" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" 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/Mravljin%C4%8Dna_kislina" title="Mravljinčna kislina – slovenska" lang="sl" hreflang="sl" data-title="Mravljinčna kislina" data-language-autonym="Slovenščina" data-language-local-name="slovenska" 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%9C%D1%80%D0%B0%D0%B2%D1%99%D0%B0_%D0%BA%D0%B8%D1%81%D0%B5%D0%BB%D0%B8%D0%BD%D0%B0" title="Мравља киселина – serbiska" lang="sr" hreflang="sr" data-title="Мравља киселина" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" 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/Mravlja_kiselina" title="Mravlja kiselina – serbokroatiska" lang="sh" hreflang="sh" data-title="Mravlja kiselina" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Asam_format" title="Asam format – sundanesiska" lang="su" hreflang="su" data-title="Asam format" data-language-autonym="Sunda" data-language-local-name="sundanesiska" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Muurahaishappo" title="Muurahaishappo – finska" lang="fi" hreflang="fi" data-title="Muurahaishappo" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Asidong_pormiko" title="Asidong pormiko – tagalog" lang="tl" hreflang="tl" data-title="Asidong pormiko" 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%AA%E0%AE%BE%E0%AE%AE%E0%AE%BF%E0%AE%95%E0%AF%8D_%E0%AE%85%E0%AE%AE%E0%AE%BF%E0%AE%B2%E0%AE%AE%E0%AF%8D" title="பாமிக் அமிலம் – tamil" lang="ta" hreflang="ta" data-title="பாமிக் அமிலம்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AB%E0%B0%BE%E0%B0%B0%E0%B1%8D%E0%B0%AE%E0%B0%BF%E0%B0%95%E0%B1%8D_%E0%B0%86%E0%B0%AE%E0%B1%8D%E0%B0%B2%E0%B0%82" title="ఫార్మిక్ ఆమ్లం – telugu" lang="te" hreflang="te" data-title="ఫార్మిక్ ఆమ్లం" 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%B8%81%E0%B8%A3%E0%B8%94%E0%B8%9F%E0%B8%AD%E0%B8%A3%E0%B9%8C%E0%B8%A1%E0%B8%B4%E0%B8%81" title="กรดฟอร์มิก – thailändska" lang="th" hreflang="th" data-title="กรดฟอร์มิก" data-language-autonym="ไทย" data-language-local-name="thailändska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Formik_asit" title="Formik asit – turkiska" lang="tr" hreflang="tr" data-title="Formik asit" data-language-autonym="Türkçe" data-language-local-name="turkiska" 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%9C%D1%83%D1%80%D0%B0%D1%88%D0%B8%D0%BD%D0%B0_%D0%BA%D0%B8%D1%81%D0%BB%D0%BE%D1%82%D0%B0" title="Мурашина кислота – ukrainska" lang="uk" hreflang="uk" data-title="Мурашина кислота" data-language-autonym="Українська" data-language-local-name="ukrainska" 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/Acid_formic" title="Acid formic – vietnamesiska" lang="vi" hreflang="vi" data-title="Acid formic" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesiska" 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/%E7%94%B2%E9%85%B8" title="甲酸 – litterär kineiska" lang="lzh" hreflang="lzh" data-title="甲酸" data-language-autonym="文言" data-language-local-name="litterär kineiska" 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/Aksido_Formico" title="Aksido Formico – waray" lang="war" hreflang="war" data-title="Aksido Formico" 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/%E7%94%B2%E9%85%B8" title="甲酸 – wu" lang="wuu" hreflang="wuu" data-title="甲酸" 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-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E8%9F%BB%E9%85%B8" title="蟻酸 – kantonesiska" lang="yue" hreflang="yue" data-title="蟻酸" data-language-autonym="粵語" data-language-local-name="kantonesiska" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%94%B2%E9%85%B8" title="甲酸 – kinesiska" lang="zh" hreflang="zh" data-title="甲酸" data-language-autonym="中文" data-language-local-name="kinesiska" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q161233#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namnrymder"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Myrsyra" title="Visa innehållssidan [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Diskussion:Myrsyra&action=edit&redlink=1" rel="discussion" 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0.6em}.mw-parser-output .infobox.geography .mergedtoprow td,.mw-parser-output .infobox.geography .mergedtoprow th{border-top:solid 1px #ccd2d9;padding:0.4em 0.6em 0.2em 0.6em}.mw-parser-output .infobox.geography .mergedrow td,.mw-parser-output .infobox.geography .mergedrow th{border:0;padding:0 0.6em 0.2em 0.6em}.mw-parser-output .infobox.geography .mergedbottomrow td,.mw-parser-output .infobox.geography .mergedbottomrow th{border-top:0;border-bottom:solid 1px #ccd2d9;padding:0 0.6em 0.4em 0.6em}.mw-parser-output .infobox.geography .maptable td,.mw-parser-output .infobox.geography .maptable th{border:0;padding:0}</style><table class="infobox" style="border-spacing:3px; max-width:24em;"><tbody><tr><td colspan="2" class="" style="padding:2px; text-align:center; font-size: 125%; font-weight: bold; background:#F8EABA;">Myrsyra</td></tr><tr><td colspan="2" class="" style="text-align:center;"> <span typeof="mw:File"><a href="/wiki/Fil:Formic_acid.svg" class="mw-file-description" title="Strukturformel"><img alt="Strukturformel" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Formic_acid.svg/200px-Formic_acid.svg.png" decoding="async" width="200" height="161" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Formic_acid.svg/300px-Formic_acid.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Formic_acid.svg/400px-Formic_acid.svg.png 2x" data-file-width="166" data-file-height="134" /></a></span><br /><span typeof="mw:File"><a href="/wiki/Fil:Formic-acid-3D-balls-A.png" class="mw-file-description" title="Molekylmodell"><img alt="Molekylmodell" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Formic-acid-3D-balls-A.png/200px-Formic-acid-3D-balls-A.png" decoding="async" width="200" height="159" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Formic-acid-3D-balls-A.png/300px-Formic-acid-3D-balls-A.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Formic-acid-3D-balls-A.png/400px-Formic-acid-3D-balls-A.png 2x" data-file-width="1100" data-file-height="877" /></a></span><hr /> </td></tr><tr><th style="text-align:left;"><a href="/wiki/Systematiskt_namn" title="Systematiskt namn">Systematiskt namn</a></th><td class="" style="">Metansyra</td></tr><tr><th style="text-align:left;"><a href="/wiki/Kemisk_formel" title="Kemisk formel">Kemisk formel</a></th><td class="" style=""><a href="/wiki/Kol" title="Kol">C</a><a href="/wiki/V%C3%A4te" title="Väte">H</a><sub>2</sub><a href="/wiki/Syre" title="Syre">O</a><sub>2</sub> <i>eller</i><br /> <a href="/wiki/V%C3%A4te" title="Väte">H</a><a href="/wiki/Karboxylsyra" class="mw-redirect" title="Karboxylsyra">COOH</a></td></tr><tr><th style="text-align:left;"><a href="/wiki/Molmassa" title="Molmassa">Molmassa</a></th><td class="" style="">46,03 g/mol</td></tr><tr><th style="text-align:left;">Utseende</th><td class="" style="">Färglös, vätska</td></tr><tr><th style="text-align:left;"><a href="/wiki/CAS-nummer" title="CAS-nummer">CAS-nummer</a></th><td class="" style="">64-18-6</td></tr><tr><th style="text-align:left;"><a href="/wiki/SMILES" class="mw-redirect" title="SMILES">SMILES</a></th><td class="" style=""><small>O=CO</small></td></tr><tr><th colspan="2" style="text-align:center;background:#F8EABA;">Egenskaper</th></tr><tr><th style="text-align:left;"><a href="/wiki/Densitet" title="Densitet">Densitet</a></th><td class="" style="">1,2 g/cm³</td></tr><tr><th style="text-align:left;"><a href="/wiki/L%C3%B6slighet" title="Löslighet">Löslighet</a> (<a href="/wiki/Vatten" title="Vatten">vatten</a>)</th><td class="" style="">Löslig</td></tr><tr><th style="text-align:left;"><a href="/wiki/Sm%C3%A4ltpunkt" title="Smältpunkt">Smältpunkt</a></th><td class="" style="">8,4 °C</td></tr><tr><th style="text-align:left;"><a href="/wiki/Kokpunkt" title="Kokpunkt">Kokpunkt</a></th><td class="" style="">100,8 °C</td></tr><tr><th colspan="2" style="text-align:center;background:#F8EABA;">Faror</th></tr><tr><th style="text-align:left;"><a href="/wiki/Risk" title="Risk">Huvudfara</a></th><td class="" style=""><span></span> <table style="font-size:90%; table-layout:fixed;"> <tbody><tr> <td><center><span typeof="mw:File"><a href="/wiki/Fil:GHS-pictogram-exclam.svg" class="mw-file-description" title="07 – Skadlig"><img alt="07 – Skadlig" 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><br />Skadlig</center></td> <td><center><span typeof="mw:File"><a href="/wiki/Fil:GHS-pictogram-acid.svg" class="mw-file-description" title="05 – Frätande"><img alt="05 – Frätande" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/GHS-pictogram-acid.svg/50px-GHS-pictogram-acid.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/GHS-pictogram-acid.svg/75px-GHS-pictogram-acid.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a1/GHS-pictogram-acid.svg/100px-GHS-pictogram-acid.svg.png 2x" data-file-width="724" data-file-height="724" /></a></span><br /><a href="/wiki/Korrosion" title="Korrosion">Frätande</a></center></td> <td> </td></tr></tbody></table></td></tr><tr><th style="text-align:left;"><a href="/wiki/NFPA_704" title="NFPA 704">NFPA 704</a></th><td class="" style=""><div style="position: relative; height: 85px; width: 75px;"> <div style="position: absolute; height: 75px; width: 75px;"> <p><span typeof="mw:File"><a href="/wiki/Fil:NFPA_704.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/75px-NFPA_704.svg.png" decoding="async" width="75" height="75" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/113px-NFPA_704.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/150px-NFPA_704.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span> </p> </div> <div title="Eldfarlighet" style="background: transparent; width: 75px; height: 2em; text-align: center; vertical-align: middle; position: absolute; top: 15px; font-size: large;">2</div> <div title="Hälsa" style="background: transparent; width: 37.5px; height: 2em; text-align: center; vertical-align: middle; position: absolute; top: 33px; font-size: large;">3</div> <div title="Reaktivitet" style="background: transparent; width: 37.5px; height: 2em; text-align: center; vertical-align: middle; position: absolute; top: 33px; left: 37.5px; font-size: large;">1</div> <div title="Andra faror" style="background: transparent; width: 75px; height: 2em; text-align: center; vertical-align: middle; position: absolute; top: 52px; font-size: small;"> </div> </div></td></tr><tr><td colspan="2" style="text-align:center; background:#F8EABA;" class=""><small><a href="/wiki/SI-enhet" title="SI-enhet">SI-enheter</a> & <a href="/wiki/Standardtryck_och_standardtemperatur" title="Standardtryck och standardtemperatur">STP</a> används om ej annat angivits</small></td></tr> </tbody></table> <figure typeof="mw:File/Thumb"><a href="/wiki/Fil:Formic_acid_85_percent.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Formic_acid_85_percent.jpg/161px-Formic_acid_85_percent.jpg" decoding="async" width="161" height="226" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Formic_acid_85_percent.jpg/242px-Formic_acid_85_percent.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Formic_acid_85_percent.jpg/323px-Formic_acid_85_percent.jpg 2x" data-file-width="500" data-file-height="700" /></a><figcaption>Lösning med 85 procent myrsyra.</figcaption></figure> <p><b>Myrsyra</b> (<a href="/wiki/Engelska" title="Engelska">engelska</a>: <i>formic acid</i>, <a href="/wiki/Latin" title="Latin">latin</a>: <i>formica</i> = "myra") är en färglös, frätande, vattenlöslig syra med stickande lukt.<sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> Myrsyra kallas även metansyra och är den enklaste <a href="/wiki/Karboxylsyra" class="mw-redirect" title="Karboxylsyra">karboxylsyrorna</a> och därmed den enklaste <a href="/wiki/Organisk_kemi" title="Organisk kemi">organiska</a> <a href="/wiki/Syra" title="Syra">syran</a>. Den har strukturformeln HCOOH och är den alkansyra med den kortaste kedjan. Karboxylgruppen -COOH ger syran dess egenskaper. <sup id="cite_ref-:0_1-1" class="reference"><a href="#cite_note-:0-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> Myrsyrans <a href="/wiki/Salter" title="Salter">salter</a> kallas <a href="/wiki/Formiat" title="Formiat">formiater</a> från syrans <a href="/wiki/Latin" title="Latin">latinska</a> namn <i>acidum formicum</i>, där <i>formica</i>. <a href="/wiki/Formaldehyd" title="Formaldehyd">Formaldehyd</a> och <a href="/wiki/Formalin" title="Formalin">formalin</a> kan härledas på samma sätt. Exempel på formiater är natriumformiat (HCOONa) och aluminumformiat ((HCOO)<sub>3</sub>Al). Även estrarna av myrsyra kallas för formiat. <sup id="cite_ref-:0_1-2" class="reference"><a href="#cite_note-:0-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Myrsyra utsöndras bland annat från giftkörtlar hos vissa arter av <a href="/wiki/Myror" title="Myror">myror</a>, därav namnet och används som försvar. <sup id="cite_ref-:0_1-3" class="reference"><a href="#cite_note-:0-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Historia">Historia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Myrsyra&veaction=edit&section=1" title="Redigera avsnitt: Historia" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Myrsyra&action=edit&section=1" title="Redigera avsnitts källkod: Historia"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I början av 1400-talet observerade några forskare att vissa myror utsöndra en sur vätska. </p><p>Den engelske forskaren John Ray (29 november 1627 - 17 januari 1705) var den första som isolerade myrsyra genom att destillera massor av myror (1671). </p><p>Den franske kemisten Joseph Louis Gay-Lussac var den första att syntetisera myrsyra från vätecyanid. År 1855 uppfann en annan fransk kemist, Marcelin Berthelot, syntesen från kolmonoxid, som fortfarande används idag. Länge var myrsyra av liten teknisk betydelse. I slutet av 1960-talet producerades betydande mängder myrsyra som en biprodukt av syntesen av ättiksyra. Först senare användes myrsyra i större skala. Det erhölls inte längre bara som en biprodukt, utan tillverkas specifikt syntetiskt. <sup id="cite_ref-:0_1-4" class="reference"><a href="#cite_note-:0-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Egenskaper">Egenskaper</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Myrsyra&veaction=edit&section=2" title="Redigera avsnitt: Egenskaper" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Myrsyra&action=edit&section=2" title="Redigera avsnitts källkod: Egenskaper"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Myrsyra är, till skillnad från de flesta andra karboxylsyror, en relativt stark syra och bör hanteras med försiktighet. Den är liksom <a href="/wiki/%C3%84ttiksyra" title="Ättiksyra">ättiksyra</a> löslig i vatten och många organiska <a href="/wiki/L%C3%B6sningsmedel" title="Lösningsmedel">lösningsmedel</a>. Till skillnad från många andra karboxylsyror kan myrsyra under normala förhållanden inte bilda en <a href="/wiki/Anhydrid" title="Anhydrid">anhydrid</a>. Om man vill bilda <a href="/w/index.php?title=Formylformiat&action=edit&redlink=1" class="new" title="Formylformiat [inte skriven än]">formylformiat</a> kan man låta <a href="/w/index.php?title=Formylfluorid&action=edit&redlink=1" class="new" title="Formylfluorid [inte skriven än]">formylfluorid</a> och <a href="/wiki/Natriumformiat" title="Natriumformiat">natriumformiat</a> reagera vid –78 °C. Med en <a href="/wiki/Alken" title="Alken">alken</a> kan myrsyra bilda formiat<a href="/wiki/Estrar" title="Estrar">estrar</a>. </p><p>Myrsyra är en relativt instabil, färglös, klar och mycket flyktig vätska. Den stelnar till en färglös fast substans vid 8 °C och kokar vid 100,7 °C. Smält- och kokpunkterna är betydligt högre än för organiska föreningar med liknande molmassa såsom <a href="/wiki/Propan" title="Propan">propan</a>, eftersom <a href="/wiki/V%C3%A4tebindning" title="Vätebindning">vätebindningarna</a> mellan molekylerna måste brytas under smältning och kokning. Vissa av dessa fortsätter att existera i gasform, därför avviker myrsyra kraftigt från beteendet hos en ideal gas. Myrsyra bildar en azeotrop med vatten. </p><p>Myrsyra har en densitet på 1,22 g/cm³ vid 20 °C. Det krävs 12,7 kJ/mol för att smälta myrsyran och 22,7 kJ/mol för att förgasa den. Trippelpunkten är vid 8,3 °C och 0,0236 bar. </p><p>Myrsyra har en stark, stickande doft. Den kan blandas med vatten, etanol och glykol i valfritt förhållande och är också löslig i de flesta andra polära organiska ämnen, dock endast i små mängder i kolväten. </p><p>Syrakonstanten är 3,77 och myrsyra är därmed den starkaste osubstituerade monokarboxylsyran. Ättiksyra har ett pK<sub>s</sub>-värde på 4,76, trifluorättiksyra 0,23, svavelsyra -3 och väteklorid (saltsyra) -6,2. </p><p>Myrsyraångor kan detekteras med hjälp av gasdetektorer, till exempel för att bestämma koncentrationer på arbetsplatsen, eller genom dess reducerande effekt, vanligtvis genom reduktion av en ammoniakalisk silvernitratlösning till silver. <sup id="cite_ref-:0_1-5" class="reference"><a href="#cite_note-:0-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Produktion">Produktion</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Myrsyra&veaction=edit&section=3" title="Redigera avsnitt: Produktion" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Myrsyra&action=edit&section=3" title="Redigera avsnitts källkod: Produktion"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>När <a href="/wiki/Metanol" title="Metanol">metanol</a> och <a href="/wiki/Kolmonoxid" title="Kolmonoxid">kolmonoxid</a> kombineras med en stark <a href="/wiki/Bas_(kemi)" title="Bas (kemi)">bas</a> som <a href="/wiki/Natriumhydroxid" title="Natriumhydroxid">natriumhydroxid</a> (NaOH) produceras <a href="/wiki/Estrar" title="Estrar">estern</a> <a href="/wiki/Metylformiat" title="Metylformiat">metylformiat</a> (CH<sub>3</sub>HCO<sub>2</sub>) som sedan medelst <a href="/wiki/Hydrolys" title="Hydrolys">hydrolys</a> kan sönderdelas till <a href="/wiki/Metanol" title="Metanol">metanol</a> och myrsyra. </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\rm {CH_{3}OH+CO\rightarrow CH_{3}HCO_{2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">C</mi> <msub> <mi mathvariant="normal">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mi mathvariant="normal">O</mi> <mi mathvariant="normal">H</mi> <mo>+</mo> <mi mathvariant="normal">C</mi> <mi mathvariant="normal">O</mi> <mo stretchy="false">→</mo> <mi mathvariant="normal">C</mi> <msub> <mi mathvariant="normal">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mi mathvariant="normal">H</mi> <mi mathvariant="normal">C</mi> <msub> <mi mathvariant="normal">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\rm {CH_{3}OH+CO\rightarrow CH_{3}HCO_{2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/02235cd1bd5056a00ae25604ca01ae5d0bfa3750" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:28.726ex; height:2.509ex;" alt="{\displaystyle {\rm {CH_{3}OH+CO\rightarrow CH_{3}HCO_{2}}}}"></span></dd></dl> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\rm {CH_{3}HCO_{2}+H_{2}O\rightarrow HCOOH+CH_{3}OH}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">C</mi> <msub> <mi mathvariant="normal">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mi mathvariant="normal">H</mi> <mi mathvariant="normal">C</mi> <msub> <mi mathvariant="normal">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>+</mo> <msub> <mi mathvariant="normal">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi mathvariant="normal">O</mi> <mo stretchy="false">→</mo> <mi mathvariant="normal">H</mi> <mi mathvariant="normal">C</mi> <mi mathvariant="normal">O</mi> <mi mathvariant="normal">O</mi> <mi mathvariant="normal">H</mi> <mo>+</mo> <mi mathvariant="normal">C</mi> <msub> <mi mathvariant="normal">H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mi mathvariant="normal">O</mi> <mi mathvariant="normal">H</mi> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\rm {CH_{3}HCO_{2}+H_{2}O\rightarrow HCOOH+CH_{3}OH}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/00b8ff6bfe12e3a100fa7796dde7a6b48a3681e5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:41.467ex; height:2.509ex;" alt="{\displaystyle {\rm {CH_{3}HCO_{2}+H_{2}O\rightarrow HCOOH+CH_{3}OH}}}"></span></dd></dl> <p>Myrsyra bildas också när man <a href="/wiki/Destillation" title="Destillation">destillerar</a> en blandning av <a href="/wiki/Oxalsyra" title="Oxalsyra">oxalsyra</a> (C<sub>2</sub>O<sub>2</sub>[OH]<sub>2</sub>) och <a href="/wiki/Glycerol" class="mw-redirect" title="Glycerol">glycerol</a>. I denna reaktion fungerar glycerol som en <a href="/wiki/Katalysator" title="Katalysator">katalysator</a>. </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\rm {C_{2}O_{2}(OH)_{2}\rightarrow HCOOH+CO_{2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi mathvariant="normal">C</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msub> <mi mathvariant="normal">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">(</mo> <mi mathvariant="normal">O</mi> <mi mathvariant="normal">H</mi> <msub> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">→</mo> <mi mathvariant="normal">H</mi> <mi mathvariant="normal">C</mi> <mi mathvariant="normal">O</mi> <mi mathvariant="normal">O</mi> <mi mathvariant="normal">H</mi> <mo>+</mo> <mi mathvariant="normal">C</mi> <msub> <mi mathvariant="normal">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\rm {C_{2}O_{2}(OH)_{2}\rightarrow HCOOH+CO_{2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/636d5fa9d2bcd672535951f3fc248042553fea2d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:31.785ex; height:2.843ex;" alt="{\displaystyle {\rm {C_{2}O_{2}(OH)_{2}\rightarrow HCOOH+CO_{2}}}}"></span></dd></dl> <p>Myrsyra produceras ofta som <a href="/wiki/Biprodukt" title="Biprodukt">biprodukt</a> vid andra organiska reaktioner, men för att tillverka lika mycket syra som används behöver man producera mer än det man får som biprodukt. </p> <div class="mw-heading mw-heading2"><h2 id="Användning"><span id="Anv.C3.A4ndning"></span>Användning</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Myrsyra&veaction=edit&section=4" title="Redigera avsnitt: Användning" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Myrsyra&action=edit&section=4" title="Redigera avsnitts källkod: Användning"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Myrsyra används i stor utsträckning inom lantbruket vid <a href="/wiki/Ensilage" title="Ensilage">ensilering</a> av <a href="/wiki/Gr%C3%B6nmassa" title="Grönmassa">grönmassa</a> vid <a href="/wiki/Vall_(jordbruk)" title="Vall (jordbruk)">vallskörden</a>, oftast i kombination med andra syror eller <a href="/wiki/Konserveringsmedel" title="Konserveringsmedel">konserveringsmedel</a>. Myrsyra används även för bekämpning av <a href="/wiki/Varroakvalster" class="mw-redirect" title="Varroakvalster">varroakvalster</a> i bisamhällen, då en 60 % lösning i vatten får avdunsta. Myrsyra förekommer i ett preparat för behandling av vårtor<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup>. Myrsyra kan också användas i laboratorier för att framställa <a href="/wiki/Kolmonoxid" title="Kolmonoxid">kolmonoxid</a>. </p><p>Myrsyra användes som konserveringsmedel i fisk-, frukt- och grönsaksprodukter fram till 1998 under E-nummer E236, men är inte längre godkänt som livsmedelstillsats i EU. Natrium- och kalciumformiat är inte heller tillåtna som livsmedelstillsatser (E237 och E238). Inom medicinen används myrsyra som ett antireumatiskt medel och för att behandla vårtor. Inom textil- och läderindustrin används myrsyra vid färgning och impregnering. Syran används också som desinfektionsmedel i sura rengöringsprodukter. </p><p>Inom den kemiska industrin används syran för att neutralisera alkaliska reaktionsblandningar. Vid elektroniktillverkning används myrsyra som reduktionsmedel i lödningsprocessen. Den används industriellt för avkalkning av kylvattensystem då avloppsvattnet endast innehåller ofarligt kalciumformiat med ett lågt <a href="/wiki/COD" title="COD">COD</a>-värde. </p><p>Koncentrerad myrsyra används även för att rengöra grova ädelstenar. Syran attackerar kalksten och andra föroreningar och rengör ädelstenen utan att skada den. Myrsyra bör endast användas på syrafasta ädelstenar.<sup id="cite_ref-:0_1-6" class="reference"><a href="#cite_note-:0-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Säkerhet,_giftighet,_hälsofaror"><span id="S.C3.A4kerhet.2C_giftighet.2C_h.C3.A4lsofaror"></span>Säkerhet, giftighet, hälsofaror</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Myrsyra&veaction=edit&section=5" title="Redigera avsnitt: Säkerhet, giftighet, hälsofaror" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Myrsyra&action=edit&section=5" title="Redigera avsnitts källkod: Säkerhet, giftighet, hälsofaror"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Vid kontakt med koncentrerad myrsyra på kroppen (speciellt ögonen) kan frätsår skapas. Myrsyra utanpå kroppen är inte <a href="/wiki/Gift" title="Gift">giftig</a>, men om man dricker syran kan man få frätsår i <a href="/wiki/Matstrupe" title="Matstrupe">strupen</a>. Syran är lättflyktig och ångorna från koncentrerad syra irriterar ögonen och de <a href="/wiki/%C3%96vre_luftv%C3%A4garna" class="mw-redirect" title="Övre luftvägarna">övre luftvägarna</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div style="float:right; text-align:center;"> <p><span typeof="mw:File"><a href="/wiki/Fil:Hazard_C.svg" class="mw-file-description" title="Frätande"><img alt="Frätande" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Hazard_C.svg/100px-Hazard_C.svg.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Hazard_C.svg/150px-Hazard_C.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/87/Hazard_C.svg/200px-Hazard_C.svg.png 2x" data-file-width="500" data-file-height="500" /></a></span> <span typeof="mw:File"><a href="/wiki/Fil:Hazard_X.svg" class="mw-file-description" title="Irriterande"><img alt="Irriterande" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Hazard_X.svg/100px-Hazard_X.svg.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Hazard_X.svg/150px-Hazard_X.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Hazard_X.svg/200px-Hazard_X.svg.png 2x" data-file-width="500" data-file-height="500" /></a></span> <br />Frätande        Irriterande </p> </div> <table class="wikitable"> <tbody><tr> <th>Koncentration</th> <th>Märksymbol </th></tr> <tr> <td>2 %-10 %</td> <td>Irriterande (<b>Xi</b>) </td></tr> <tr> <td>10 %-90 %</td> <td>Frätande (<b>C</b>) </td></tr> <tr> <td>>90 %</td> <td>Frätande (<b>C</b>) </td></tr></tbody></table> <p>En av de saker som orsakar <a href="/wiki/Metanol" title="Metanol">metanolens</a> (träspritens) giftighet är att levern bryter ner metanol till myrsyra vilket sänker <a href="/wiki/Blod" title="Blod">blodets</a> <a href="/wiki/PH" title="PH">pH</a>-värde. Detta tillstånd, <a href="/wiki/Acidos" title="Acidos">acidos</a>, kan i sig vara livshotande. Myrsyra och formaldehyd som bildas vid nedbrytning av metanol angriper synnerven och kan orsaka blindhet. </p> <div class="mw-heading mw-heading2"><h2 id="Förekomst_i_naturen"><span id="F.C3.B6rekomst_i_naturen"></span>Förekomst i naturen</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Myrsyra&veaction=edit&section=6" title="Redigera avsnitt: Förekomst i naturen" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Myrsyra&action=edit&section=6" title="Redigera avsnitts källkod: Förekomst i naturen"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I naturen är myrsyra utbredd. Den används av många plan- och djurarter som en beståndsdel av giftblandningar för att försvara sig. </p><p>Myrsyra är en naturlig komponent i bihonung. Beroende på sort innehåller 1 kg honung 50 till över 1000 milligram. Myrsyra är också en komponent i tobaksrök. </p><p>Larverna från den stora gaffelsvansen (Cerura vinula) som är en typ av fjäril, liksom vissa arter av myror (medlemmar i underfamiljen Formicinae) sprejar en vätska som innehåller myrsyra som försvar. Vissa arter av markbaggar, skorpioner och bin använder sekret som innehåller myrsyra för både försvars- och attack syften. Hos vissa arter av maneter är myrsyra en del av giftet i stickkapslarna. </p><p>Nässlornas brännhår innehåller ett nässelgift som innehåller bland annat myrsyra och natriumformiat. </p><p>I den mänskliga organismen produceras myrsyra tillsammans med formaldehyd när metanol metaboliseras. Myrsyra är lätt biologiskt nedbrytbar. <sup id="cite_ref-:0_1-7" class="reference"><a href="#cite_note-:0-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Förutom hos myror finns även myrsyra i munkörtlarna hos vissa släkten <a href="/wiki/Gaddl%C3%B6sa_bin" title="Gaddlösa bin">gaddlösa bin</a> (så kallade "eldbin", speciellt släktet <i><a href="/wiki/Oxytrigona" title="Oxytrigona">Oxytrigona</a></i>)<sup id="cite_ref-SBNB_4-0" class="reference"><a href="#cite_note-SBNB-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup>, i brännhåren hos <a href="/wiki/Br%C3%A4nn%C3%A4ssla" title="Brännässla">brännässla</a> (<i>Urtica dioica</i>)<sup id="cite_ref-NaB_5-0" class="reference"><a href="#cite_note-NaB-5"><span class="cite-reference-link-bracket">[</span>5<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-NeI_6-0" class="reference"><a href="#cite_note-NeI-6"><span class="cite-reference-link-bracket">[</span>6<span class="cite-reference-link-bracket">]</span></a></sup>, i <a href="/wiki/Svett" class="mw-redirect" title="Svett">svett</a> och i <a href="/wiki/Urin" title="Urin">urin</a>.<sup id="cite_ref-AOV_7-0" class="reference"><a href="#cite_note-AOV-7"><span class="cite-reference-link-bracket">[</span>7<span class="cite-reference-link-bracket">]</span></a></sup> </p> <ul class="gallery mw-gallery-traditional"> <li class="gallerybox" style="width: 185px"> <div class="thumb" style="width: 180px; height: 180px;"><span typeof="mw:File"><a href="/wiki/Fil:Lamium_album_no_flowers.jpg" class="mw-file-description" title="Brännässla (Urtica dioica)"><img alt="Brännässla (Urtica dioica)" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7e/Lamium_album_no_flowers.jpg/150px-Lamium_album_no_flowers.jpg" decoding="async" width="150" height="113" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7e/Lamium_album_no_flowers.jpg/225px-Lamium_album_no_flowers.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7e/Lamium_album_no_flowers.jpg/300px-Lamium_album_no_flowers.jpg 2x" data-file-width="1984" data-file-height="1488" /></a></span></div> <div class="gallerytext">Brännässla (<i>Urtica dioica</i>)</div> </li> <li class="gallerybox" style="width: 185px"> <div class="thumb" style="width: 180px; height: 180px;"><span typeof="mw:File"><a href="/wiki/Fil:Formica_rufa_a1.jpg" class="mw-file-description" title="Röd skogsmyra (Formica rufa)"><img alt="Röd skogsmyra (Formica rufa)" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Formica_rufa_a1.jpg/150px-Formica_rufa_a1.jpg" decoding="async" width="150" height="113" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Formica_rufa_a1.jpg/225px-Formica_rufa_a1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Formica_rufa_a1.jpg/300px-Formica_rufa_a1.jpg 2x" data-file-width="2576" data-file-height="1932" /></a></span></div> <div class="gallerytext"><a href="/wiki/R%C3%B6d_skogsmyra" title="Röd skogsmyra">Röd skogsmyra</a> (<i>Formica rufa</i>)</div> </li> <li class="gallerybox" style="width: 185px"> <div class="thumb" style="width: 180px; height: 180px;"><span typeof="mw:File"><a href="/wiki/Fil:TranspirationPerspirationCommonsFL.jpg" class="mw-file-description" title="Svett"><img alt="Svett" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/TranspirationPerspirationCommonsFL.jpg/150px-TranspirationPerspirationCommonsFL.jpg" decoding="async" width="150" height="110" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/TranspirationPerspirationCommonsFL.jpg/225px-TranspirationPerspirationCommonsFL.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/TranspirationPerspirationCommonsFL.jpg/300px-TranspirationPerspirationCommonsFL.jpg 2x" data-file-width="1796" data-file-height="1312" /></a></span></div> <div class="gallerytext">Svett</div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="Se_även"><span id="Se_.C3.A4ven"></span>Se även</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Myrsyra&veaction=edit&section=7" title="Redigera avsnitt: Se även" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Myrsyra&action=edit&section=7" title="Redigera avsnitts källkod: Se även"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Metanol" title="Metanol">Metanol</a></li> <li><a href="/wiki/%C3%84ttiksyra" title="Ättiksyra">Ättiksyra</a></li> <li><a href="/wiki/Formaldehyd" title="Formaldehyd">Formaldehyd</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Källor"><span id="K.C3.A4llor"></span>Källor</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Myrsyra&veaction=edit&section=8" title="Redigera avsnitt: Källor" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Myrsyra&action=edit&section=8" title="Redigera avsnitts källkod: Källor"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-:0-1">^ [<a href="#cite_ref-:0_1-0"><small>a</small></a> <a href="#cite_ref-:0_1-1"><small>b</small></a> <a href="#cite_ref-:0_1-2"><small>c</small></a> <a href="#cite_ref-:0_1-3"><small>d</small></a> <a href="#cite_ref-:0_1-4"><small>e</small></a> <a href="#cite_ref-:0_1-5"><small>f</small></a> <a href="#cite_ref-:0_1-6"><small>g</small></a> <a href="#cite_ref-:0_1-7"><small>h</small></a>] <span class="reference-text"><cite style="font-style:normal" class="journal"><a class="external text" href="https://de.wikipedia.org/w/index.php?title=Ameisens%C3%A4ure&oldid=244842665">”Ameisensäure”</a> (på tyska). <i>Wikipedia</i>. 2024-05-10<span class="printonly">. <a class="external free" href="https://de.wikipedia.org/w/index.php?title=Ameisens%C3%A4ure&oldid=244842665">https://de.wikipedia.org/w/index.php?title=Ameisens%C3%A4ure&oldid=244842665</a></span><span class="reference-accessdate">. Läst 3 juni 2024</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Ameisens%C3%A4ure&rft.jtitle=Wikipedia&rft.date=2024-05-10&rft_id=https%3A%2F%2Fde.wikipedia.org%2Fw%2Findex.php%3Ftitle%3DAmeisens%25C3%25A4ure%26oldid%3D244842665&rfr_id=info:sid/en.wikipedia.org:Myrsyra"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="http://www.vartfri.se/sv-se/vartbehandling/myrsyra/">”VårtFri läkemedel”</a><span class="printonly">. <a rel="nofollow" class="external free" href="http://www.vartfri.se/sv-se/vartbehandling/myrsyra/">http://www.vartfri.se/sv-se/vartbehandling/myrsyra/</a></span><span class="reference-accessdate">. Läst 27 augusti 2018</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=V%C3%A5rtFri+l%C3%A4kemedel&rft.atitle=&rft_id=http%3A%2F%2Fwww.vartfri.se%2Fsv-se%2Fvartbehandling%2Fmyrsyra%2F&rfr_id=info:sid/en.wikipedia.org:Myrsyra"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-3"><a href="#cite_ref-3">^</a> <span class="reference-text">Bo Birgersson, Olov Sterner, Erik Zimerson: <i>Kemiska hälsorisker. Toxikologi i kemiskt perpektiv</i> kap. "Karlboxylsyror". Liber Hermods, 1983.</span> </li> <li id="cite_note-SBNB-4"><a href="#cite_ref-SBNB_4-0">^</a> <span class="reference-text"><cite style="font-style:normal" class="journal" id="CITEREFDavid_W._Roubik2006">David W. Roubik (2006). <a rel="nofollow" class="external text" href="http://hal.archives-ouvertes.fr/docs/00/89/22/07/PDF/hal-00892207.pdf">”Stingless bee nesting biology”</a> (på engelska) (PDF (967 kB)). <i>Apidologie</i> (37): sid. 6. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<span class="neverexpand"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.1051+apido%3A2006026">10.1051 apido:2006026</a></span><span class="printonly">. <a rel="nofollow" class="external free" href="http://hal.archives-ouvertes.fr/docs/00/89/22/07/PDF/hal-00892207.pdf">http://hal.archives-ouvertes.fr/docs/00/89/22/07/PDF/hal-00892207.pdf</a></span><span class="reference-accessdate">. Läst 30 maj 2015</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Stingless+bee+nesting+biology&rft.jtitle=Apidologie&rft.aulast=David+W.+Roubik&rft.au=David+W.+Roubik&rft.date=2006&rft.issue=37&rft.pages=sid.%26nbsp%3B6&rft_id=info:doi/10.1051+apido%3A2006026&rft_id=http%3A%2F%2Fhal.archives-ouvertes.fr%2Fdocs%2F00%2F89%2F22%2F07%2FPDF%2Fhal-00892207.pdf&rfr_id=info:sid/en.wikipedia.org:Myrsyra"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-NaB-5"><a href="#cite_ref-NaB_5-0">^</a> <span class="reference-text"><cite style="font-style:normal" class="book" id="CITEREFHenriksson2000">Henriksson, Anders (2000). <i><span>Naturkunskap B</span></i>. Gleerups Utbildning AB. sid. 63. <a href="/wiki/Special:Bokk%C3%A4llor/91-40-63503-1" title="Special:Bokkällor/91-40-63503-1">ISBN 91-40-63503-1</a></cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Naturkunskap+B&rft.aulast=Henriksson&rft.aufirst=Anders&rft.au=Henriksson%2C+Anders&rft.date=2000&rft.pages=sid.%26nbsp%3B63&rft.pub=Gleerups+Utbildning+AB&rft.isbn=91-40-63503-1&rfr_id=info:sid/en.wikipedia.org:Myrsyra"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-NeI-6"><a href="#cite_ref-NeI_6-0">^</a> <span class="reference-text"> <a rel="nofollow" class="external free" href="http://www.ne.se/brännässla">http://www.ne.se/brännässla</a> - från Nationalencyklopedin på nätet - <a rel="nofollow" class="external free" href="http://www.ne.se">http://www.ne.se</a> - läst datum: 18 mars 2014</span> </li> <li id="cite_note-AOV-7"><a href="#cite_ref-AOV_7-0">^</a> <span class="reference-text"><a rel="nofollow" class="external free" href="http://www.alltomvetenskap.se/nyheter/hur-branns-nasslor">http://www.alltomvetenskap.se/nyheter/hur-branns-nasslor</a> - läst datum: 18 mars 2014 - från tidningen allt om vetenskap med startsidan: <a rel="nofollow" class="external free" href="http://www.alltomvetenskap.se">http://www.alltomvetenskap.se</a></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Externa_länkar"><span id="Externa_l.C3.A4nkar"></span>Externa länkar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Myrsyra&veaction=edit&section=9" title="Redigera avsnitt: Externa länkar" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Myrsyra&action=edit&section=9" title="Redigera avsnitts källkod: Externa länkar"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/15px-Commons-logo.svg.png" decoding="async" width="15" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/23px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> Wikimedia Commons har media som rör <a href="https://commons.wikimedia.org/wiki/Formic_acid" class="extiw" title="commons:Formic acid">Myrsyra</a>.<div class="interProject commons" style="display:none;"><a href="https://commons.wikimedia.org/wiki/Formic_acid" class="extiw" title="commons:Formic acid">Bilder & media</a></div></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Hämtad från ”<a dir="ltr" href="https://sv.wikipedia.org/w/index.php?title=Myrsyra&oldid=55426403">https://sv.wikipedia.org/w/index.php?title=Myrsyra&oldid=55426403</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Wikipedia:Kategorier" title="Wikipedia:Kategorier">Kategorier</a>: <ul><li><a href="/wiki/Kategori:Metanoater" title="Kategori:Metanoater">Metanoater</a></li><li><a href="/wiki/Kategori:Karboxylsyror" title="Kategori:Karboxylsyror">Karboxylsyror</a></li><li><a href="/wiki/Kategori:L%C3%B6sningsmedel" title="Kategori:Lösningsmedel">Lösningsmedel</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Sidan redigerades senast den 26 juli 2024 kl. 05.29.</li> <li id="footer-info-copyright">Wikipedias text är tillgänglig under licensen <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.sv">Creative Commons Erkännande-dela-lika 4.0 Unported</a>. 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