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<div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Sommaire" 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="Basculer la table des matières" > <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">Basculer la table des matières</span> </label> <div class="vector-dropdown-content"> <div 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Disponible en 31 langues." > <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-31" 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">31 langues</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%AD%D9%85%D8%B6_%D8%A5%D9%8A%D8%B2%D9%88%D8%B3%D9%8A%D8%A7%D9%86%D9%8A%D9%83" title="حمض إيزوسيانيك – arabe" lang="ar" hreflang="ar" data-title="حمض إيزوسيانيك" data-language-autonym="العربية" data-language-local-name="arabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%A7%DB%8C%D8%B2%D9%88%D8%B3%DB%8C%D8%A7%D9%86%DB%8C%DA%A9_%D8%A7%D8%B3%DB%8C%D8%AF" title="ایزوسیانیک اسید – South Azerbaijani" lang="azb" hreflang="azb" data-title="ایزوسیانیک اسید" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/%C3%80cid_isoci%C3%A0nic" title="Àcid isociànic – catalan" lang="ca" hreflang="ca" data-title="Àcid isociànic" 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/Kyselina_isokyanat%C3%A1" title="Kyselina isokyanatá – tchèque" lang="cs" hreflang="cs" data-title="Kyselina isokyanatá" data-language-autonym="Čeština" data-language-local-name="tchèque" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Isocyans%C3%A4ure" title="Isocyansäure – allemand" lang="de" hreflang="de" data-title="Isocyansäure" data-language-autonym="Deutsch" data-language-local-name="allemand" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Isocyanic_acid" title="Isocyanic acid – anglais" lang="en" hreflang="en" data-title="Isocyanic acid" data-language-autonym="English" data-language-local-name="anglais" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Izocianata_acido" title="Izocianata acido – espéranto" lang="eo" hreflang="eo" data-title="Izocianata acido" data-language-autonym="Esperanto" data-language-local-name="espéranto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/%C3%81cido_isoci%C3%A1nico" title="Ácido isociánico – espagnol" lang="es" hreflang="es" data-title="Ácido isociánico" data-language-autonym="Español" data-language-local-name="espagnol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Azido_isozianiko" title="Azido isozianiko – basque" lang="eu" hreflang="eu" data-title="Azido isozianiko" data-language-autonym="Euskara" data-language-local-name="basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%DB%8C%D8%B2%D9%88%D8%B3%DB%8C%D8%A7%D9%86%DB%8C%DA%A9_%D8%A7%D8%B3%DB%8C%D8%AF" title="ایزوسیانیک اسید – persan" lang="fa" hreflang="fa" data-title="ایزوسیانیک اسید" data-language-autonym="فارسی" data-language-local-name="persan" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Isosyaanihappo" title="Isosyaanihappo – finnois" lang="fi" hreflang="fi" data-title="Isosyaanihappo" data-language-autonym="Suomi" data-language-local-name="finnois" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%86%E0%A4%87%E0%A4%B8%E0%A5%8B%E0%A4%B8%E0%A4%BE%E0%A4%AF%E0%A4%A8%E0%A4%BF%E0%A4%95_%E0%A4%85%E0%A4%AE%E0%A5%8D%E0%A4%B2" title="आइसोसायनिक अम्ल – hindi" lang="hi" hreflang="hi" data-title="आइसोसायनिक अम्ल" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Acido_isocianico" title="Acido isocianico – italien" lang="it" hreflang="it" data-title="Acido isocianico" data-language-autonym="Italiano" data-language-local-name="italien" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A4%E3%82%BD%E3%82%B7%E3%82%A2%E3%83%B3%E9%85%B8" title="イソシアン酸 – japonais" lang="ja" hreflang="ja" data-title="イソシアン酸" data-language-autonym="日本語" data-language-local-name="japonais" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A6%D0%B8%D0%B0%D0%BD_%D2%9B%D1%8B%D1%88%D2%9B%D1%8B%D0%BB%D1%8B" title="Циан қышқылы – kazakh" lang="kk" hreflang="kk" data-title="Циан қышқылы" data-language-autonym="Қазақша" data-language-local-name="kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%95%84%EC%9D%B4%EC%86%8C%EC%82%AC%EC%9D%B4%EC%95%88%EC%82%B0" title="아이소사이안산 – coréen" lang="ko" hreflang="ko" data-title="아이소사이안산" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Acidum_cyanicum" title="Acidum cyanicum – latin" lang="la" hreflang="la" data-title="Acidum cyanicum" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%90%E0%B4%B8%E0%B5%8B%E0%B4%B8%E0%B4%AF%E0%B4%BE%E0%B4%A8%E0%B4%BF%E0%B4%95%E0%B5%8D_%E0%B4%86%E0%B4%B8%E0%B4%BF%E0%B4%A1%E0%B5%8D" title="ഐസോസയാനിക് ആസിഡ് – malayalam" lang="ml" hreflang="ml" data-title="ഐസോസയാനിക് ആസിഡ്" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%86%E0%A8%88%E0%A8%B8%E0%A9%8B%E0%A8%95%E0%A8%BF%E0%A8%86%E0%A8%A8%E0%A8%BF%E0%A8%95_%E0%A8%A4%E0%A9%87%E0%A8%9C%E0%A8%BC%E0%A8%BE%E0%A8%AC" title="ਆਈਸੋਕਿਆਨਿਕ ਤੇਜ਼ਾਬ – pendjabi" lang="pa" hreflang="pa" data-title="ਆਈਸੋਕਿਆਨਿਕ ਤੇਜ਼ਾਬ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="pendjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/%C3%81cido_isoci%C3%A2nico" title="Ácido isociânico – portugais" lang="pt" hreflang="pt" data-title="Ácido isociânico" data-language-autonym="Português" data-language-local-name="portugais" 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_izocianic" title="Acid izocianic – roumain" lang="ro" hreflang="ro" data-title="Acid izocianic" data-language-autonym="Română" data-language-local-name="roumain" 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%98%D0%B7%D0%BE%D1%86%D0%B8%D0%B0%D0%BD%D0%BE%D0%B2%D0%B0%D1%8F_%D0%BA%D0%B8%D1%81%D0%BB%D0%BE%D1%82%D0%B0" title="Изоциановая кислота – russe" lang="ru" hreflang="ru" data-title="Изоциановая кислота" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Izocijanska_kiselina" title="Izocijanska kiselina – serbo-croate" lang="sh" hreflang="sh" data-title="Izocijanska kiselina" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croate" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Kyselina_izokyanat%C3%A1" title="Kyselina izokyanatá – slovaque" lang="sk" hreflang="sk" data-title="Kyselina izokyanatá" data-language-autonym="Slovenčina" data-language-local-name="slovaque" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Izocijanska_kiselina" title="Izocijanska kiselina – serbe" lang="sr" hreflang="sr" data-title="Izocijanska kiselina" data-language-autonym="Српски / srpski" data-language-local-name="serbe" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Cyansyra" title="Cyansyra – suédois" lang="sv" hreflang="sv" data-title="Cyansyra" data-language-autonym="Svenska" data-language-local-name="suédois" 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%9A%E0%AE%AE%E0%AE%9A%E0%AE%AF%E0%AE%A9%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="சமசயனிக் அமிலம் – tamoul" lang="ta" hreflang="ta" data-title="சமசயனிக் அமிலம்" data-language-autonym="தமிழ்" data-language-local-name="tamoul" 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/%C4%B0zosiyanik_asit" title="İzosiyanik asit – turc" lang="tr" hreflang="tr" data-title="İzosiyanik asit" data-language-autonym="Türkçe" data-language-local-name="turc" 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%86%D0%B7%D0%BE%D1%86%D1%96%D0%B0%D0%BD%D0%BE%D0%B2%D0%B0_%D0%BA%D0%B8%D1%81%D0%BB%D0%BE%D1%82%D0%B0" title="Ізоціанова кислота – ukrainien" lang="uk" hreflang="uk" data-title="Ізоціанова кислота" data-language-autonym="Українська" data-language-local-name="ukrainien" 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_isocyanic" title="Acid isocyanic – vietnamien" lang="vi" hreflang="vi" data-title="Acid isocyanic" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamien" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%BC%82%E6%B0%B0%E9%85%B8" title="异氰酸 – chinois" lang="zh" hreflang="zh" data-title="异氰酸" data-language-autonym="中文" data-language-local-name="chinois" 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<div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="fr" dir="ltr"><p class="mw-empty-elt"> </p> <table class="infobox_v2 infobox infobox--frwiki noarchive"> <tbody><tr> <td colspan="2" class="entete defaut" style="background-color:#FFDEAD;color:black;">Acide isocyanique </td></tr> <tr><td colspan="2" style="text-align:center; line-height: 1.5em;"><span typeof="mw:File/Frameless"><a href="/w/index.php?title=Fichier:Isocyans%C3%A4ure.svg&lang=fr" class="mw-file-description"><img alt="Image illustrative de l’article Acide isocyanique" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Isocyans%C3%A4ure.svg/langfr-150px-Isocyans%C3%A4ure.svg.png" decoding="async" width="150" height="68" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Isocyans%C3%A4ure.svg/langfr-225px-Isocyans%C3%A4ure.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/Isocyans%C3%A4ure.svg/langfr-300px-Isocyans%C3%A4ure.svg.png 2x" data-file-width="114" data-file-height="52" /></a></span> </td></tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#FFDEAD; color:#000000">Identification</th></tr> <tr> <th scope="row"><a href="/wiki/Nomenclature_de_l%27UICPA" title="Nomenclature de l'UICPA">Nom UICPA</a> </th> <td><small>acide isocyanique</small> </td> </tr> <tr> <th scope="row"><a href="/wiki/Num%C3%A9ro_CAS" title="Numéro CAS">N<sup>o</sup> CAS</a> </th> <td><span class="reflink plainlinksneverexpand"><span class="noarchive"><a class="external text" href="//tools.wmflabs.org/magnustools/cas.php?cas=75-13-8&language=fr&title=Acide_isocyanique">75-13-8</a></span></span> </td> </tr> <tr> <th scope="row"> N<sup>o</sup> <a href="/wiki/Agence_europ%C3%A9enne_des_produits_chimiques" title="Agence européenne des produits chimiques">ECHA</a> </th> <td><span class="plainlinks"><span class="noarchive"><a rel="nofollow" class="external text" href="https://echa.europa.eu/substance-information/-/substanceinfo/100.109.068">100.109.068</a></span></span></td> </tr> <tr> <th scope="row"><a href="/wiki/Num%C3%A9ro_CE" title="Numéro CE">N<sup>o</sup> CE</a> </th> <td>616-189-3 </td> </tr> <tr> <th scope="row"><a href="/wiki/PubChem" title="PubChem">PubChem</a> </th> <td><span class="plainlinks"><span class="noarchive"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/6347">6347</a></span></span> </td> </tr> <tr> <th scope="row">ChEBI </th> <td><span class="plainlinks"><span class="noarchive"><a rel="nofollow" class="external text" href="http://www.ebi.ac.uk/chebi/searchId.do?chebiId=29202">29202</a></span></span> </td> </tr> <tr> <th scope="row"><a href="/wiki/Simplified_Molecular_Input_Line_Entry_System" title="Simplified Molecular Input Line Entry System">SMILES</a> </th> <td><div class="NavFrame" title="[Afficher]/[Masquer]" style="border: none; padding: 0;"><div class="NavContent" style="display: none; text-align: left;">O=C=[N@H] <br /><span class="reflink plainlinksneverexpand"><a rel="nofollow" class="external text" href="http://pubchem.ncbi.nlm.nih.gov/search/?smarts=O%3DC%3D%5BN%40H%5D">PubChem</a></span>, <span class="reflink plainlinksneverexpand"><a rel="nofollow" class="external text" href="http://chemapps.stolaf.edu/jmol/jmol.php?title=Acide+isocyanique&model=O%3DC%3D%5BN%40H%5D">vue 3D</a></span></div></div> </td> </tr> <tr> <th scope="row"><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a> </th> <td><div class="NavFrame" title="[Afficher]/[Masquer]" style="border: none; padding: 0;"><div class="NavContent" style="display: none; text-align: left;"><b>InChI :</b> <span class="reflink plainlinksneverexpand"><a rel="nofollow" class="external text" href="http://chemapps.stolaf.edu/jmol/jmol.php?title=Acide+isocyanique&model=InChI%3D1%2FCHNO%2Fc2-1-3%2Fh2H">vue 3D</a></span> <br />InChI=1/CHNO/c2-1-3/h2H <br /></div></div> </td> </tr> <tr> <th scope="row">Apparence </th> <td>liquide incolore ou gaz du fait de son bas p.e. </td> </tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#FFDEAD; color:#000000">Propriétés chimiques</th></tr> <tr> <th scope="row"><a href="/wiki/Formule_chimique" title="Formule chimique">Formule</a> </th> <td><a href="/wiki/Carbone" title="Carbone">C</a><a href="/wiki/Hydrog%C3%A8ne" title="Hydrogène">H</a><a href="/wiki/Azote" title="Azote">N</a><a href="/wiki/Oxyg%C3%A8ne" title="Oxygène">O</a>  <span class="page_h"><a href="/wiki/CHNO" class="mw-disambig" title="CHNO"><small>[Isomères]</small></a></span><br /> </td> </tr> <tr> <th scope="row"><a href="/wiki/Masse_molaire" title="Masse molaire">Masse molaire</a><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup> </th> <td>43,024 7 ± 0,001 4 <a href="/wiki/Gramme" title="Gramme">g</a>/<a href="/wiki/Mole_(unit%C3%A9)" title="Mole (unité)">mol</a> <br /><small>C 27,92 %,  H 2,34 %,  N 32,56 %,  O 37,19 %,  </small> </td> </tr> <tr> <th scope="row"><a href="/wiki/Constante_d%27acidit%C3%A9" title="Constante d'acidité">p<i>K</i><sub>a</sub></a> </th> <td>3,92<sup id="cite_ref-h_1-0" class="reference"><a href="#cite_note-h-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#f7efa8; color:#000000">Propriétés physiques</th></tr> <tr> <th scope="row"><a href="/wiki/Point_de_fusion" title="Point de fusion"><abbr class="abbr" title="Température">T°</abbr> fusion</a> </th> <td><span title="−122,8 °F ou 187,2 K">−86 </span><abbr class="abbr" title="degré Celsius">°C</abbr><sup id="cite_ref-h_1-1" class="reference"><a href="#cite_note-h-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <th scope="row"><a href="/wiki/Point_d%27%C3%A9bullition" title="Point d'ébullition"><abbr class="abbr" title="Température">T°</abbr> ébullition</a> </th> <td><span title="74,3 °F ou 296,7 K">23,5 </span><abbr class="abbr" title="degré Celsius">°C</abbr><sup id="cite_ref-h_1-2" class="reference"><a href="#cite_note-h-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <th scope="row"><a href="/wiki/Solubilit%C3%A9" title="Solubilité">Solubilité</a> </th> <td>en toute proportion dans l'eau<sup id="cite_ref-h_1-3" class="reference"><a href="#cite_note-h-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup>, soluble dans le <a href="/wiki/Benz%C3%A8ne" title="Benzène">benzène</a>, le <a href="/wiki/Tolu%C3%A8ne" title="Toluène">toluène</a>, l'<a href="/wiki/%C3%89ther_di%C3%A9thylique" title="Éther diéthylique">éther</a> </td> </tr> <tr> <th scope="row"><a href="/wiki/Masse_volumique" title="Masse volumique">Masse volumique</a> </th> <td><span class="nowrap"><span title="1 140 kg⋅m⁻³ ou 17,81 °Baumé">1,14</span> <span title="Gramme">g</span>·<span title="centimètre">cm</span><sup>-3</sup></span> à <span title="68 °F ou 293,2 K">20 </span><abbr class="abbr" title="degré Celsius">°C</abbr><sup id="cite_ref-h_1-4" class="reference"><a href="#cite_note-h-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#FFDEAD; color:#000000">Thermochimie</th></tr> <tr> <th scope="row"><a href="/wiki/Entropie_molaire_standard" title="Entropie molaire standard">S<sup class="exposant">0</sup><small style="line-height: 1.5em; font-size: 80%;"><sub>gaz, 1 bar</sub></small></a> </th> <td><span class="nowrap"><span title="">238,22</span> <span title="joule">J</span>·<span title="Kelvin">K</span><sup>-1</sup>·<span title="Mole">mol</span><sup>-1</sup></span> <sup id="cite_ref-NIST_4-0" class="reference"><a href="#cite_note-NIST-4"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <th scope="row"><a href="/wiki/Enthalpie_standard_de_formation" title="Enthalpie standard de formation">Δ<small style="line-height: 1.5em; font-size: 80%;"><sub>f</sub></small>H<sup class="exposant">0</sup><small style="line-height: 1.5em; font-size: 80%;"><sub>gaz</sub></small></a> </th> <td><span class="nowrap"><span title="−1,053 735 570 328 9 eV ou −24 299,71 cal(th)·mol⁻¹">−101,67</span> <span title="kilojoule">kJ</span>·<span title="Mole">mol</span><sup>-1</sup></span> <sup id="cite_ref-NIST_4-1" class="reference"><a href="#cite_note-NIST-4"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <td colspan="2"><hr style="height:2px; background-color:#FFDEAD;" /></td></tr> <tr> <td colspan="2" style="text-align:center;">Unités du <a href="/wiki/Syst%C3%A8me_international_d%27unit%C3%A9s" title="Système international d'unités">SI</a> et <a href="/wiki/Conditions_normales_de_temp%C3%A9rature_et_de_pression" title="Conditions normales de température et de pression"><abbr title="conditions normales de température et de pression">CNTP</abbr></a>, sauf indication contraire.</td> </tr><tr> <td class="navigation-only" colspan="2" style="border-top: 2px #FFDEAD solid; font-size: 80%; background:inherit; color: inherit; text-align: right;"><span class="plainlinks" style="float:left;"><a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Acide_isocyanique&action=edit&section=0"><span class="infodoc">modifier</span></a></span> <span typeof="mw:File"><a href="/wiki/Mod%C3%A8le:Infobox_Chimie" title="Consultez la documentation du modèle"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/12px-Info_Simple.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/18px-Info_Simple.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/38/Info_Simple.svg/24px-Info_Simple.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></td> </tr> </tbody></table> <p>L’<b>acide isocyanique</b> est un <a href="/wiki/Acide" title="Acide">acide</a> de <a href="/wiki/Formule_semi-d%C3%A9velopp%C3%A9e" title="Formule semi-développée">formule semi-développée</a> H-N=C=O. C'est le <a href="/wiki/Tautom%C3%A8re" title="Tautomère">tautomère</a> de l'<a href="/wiki/Acide_cyanique" title="Acide cyanique">acide cyanique</a> H<sub></sub>O<sub></sub>C<sub></sub>N<sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub>. Il est considéré comme un élément important dans la chimie de constitution d'éléments biochimiques jusqu’à l’apparition des premiers systèmes qualifiés de biologiques<sup class="need_ref_tag" style="padding-left:2px;"><a href="/wiki/Aide:R%C3%A9f%C3%A9rence_n%C3%A9cessaire" title="Aide:Référence nécessaire"><span title="Ce passage nécessite une référence ; voir l'aide.">[réf. nécessaire]</span></a></sup>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Particularités"><span id="Particularit.C3.A9s"></span>Particularités</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Acide_isocyanique&veaction=edit&section=1" title="Modifier la section : Particularités" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Acide_isocyanique&action=edit&section=1" title="Modifier le code source de la section : Particularités"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>On peut considérer ce composé comme un ancêtre des premiers intervenants dans l'aboutissement, à terme, de cellules vivantes. Cette molécule à quatre <a href="/wiki/Atome" title="Atome">atomes</a> entre dans la <a href="/wiki/Liste_de_mol%C3%A9cules_d%C3%A9tect%C3%A9es_dans_le_milieu_interstellaire" class="mw-redirect" title="Liste de molécules détectées dans le milieu interstellaire">liste de molécules détectées dans le milieu interstellaire</a>. On a décelé des traces d'acide isocyanique (HN=C=O) dans la <a href="/wiki/C/1996_B2_(Hyakutake)" title="C/1996 B2 (Hyakutake)">comète Hyakutake</a> en 1996 et la <a href="/wiki/Com%C3%A8te_Hale-Bopp" class="mw-redirect" title="Comète Hale-Bopp">comète Hale-Bopp</a> en 1997. Il a été démontré<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite_crochet">[</span>5<span class="cite_crochet">]</span></a></sup> que l'acide isocyanique pouvait servir d'agent d'activation des <a href="/wiki/Acide_amin%C3%A9" title="Acide aminé">acides aminés</a>. </p><p>Cette étude a ainsi montré que l'acide isocyanique et son précurseur l'<a href="/wiki/Ur%C3%A9e" title="Urée">urée</a>, sont des agents efficaces d'activation d'acides aminés pour la formation d'oligo<a href="/wiki/Peptide" title="Peptide">peptides</a> (protéine résultant, dans le monde vivant, d'une traduction <a href="/wiki/G%C3%A9n%C3%A9tique" title="Génétique">génétique</a> composé de 10 acides aminés au plus). </p> <div class="mw-heading mw-heading2"><h2 id="Propriétés_physico-chimiques"><span id="Propri.C3.A9t.C3.A9s_physico-chimiques"></span>Propriétés physico-chimiques</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Acide_isocyanique&veaction=edit&section=2" title="Modifier la section : Propriétés physico-chimiques" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Acide_isocyanique&action=edit&section=2" title="Modifier le code source de la section : Propriétés physico-chimiques"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>L'acide isocyanique est le tautomère le plus répandu, car contrairement à l'acide cyanique, il est stable à température ambiante<sup id="cite_ref-Ullmann_6-0" class="reference"><a href="#cite_note-Ullmann-6"><span class="cite_crochet">[</span>6<span class="cite_crochet">]</span></a></sup>. L'acide se décompose dans l'eau par <a href="/wiki/Hydrolyse" title="Hydrolyse">hydrolyse</a>. Cette réaction est fortement dépendante de la température, du <a href="/wiki/Potentiel_hydrog%C3%A8ne" title="Potentiel hydrogène">pH</a> et la concentration du composé. Ainsi, en solution légèrement acide, l'acide isocyanique se décompose rapidement en <a href="/wiki/Carbonate" title="Carbonate">carbonate</a> CO<sub>3</sub><sup>2−</sup><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub> et <a href="/wiki/Ammonium" title="Ammonium">ammonium</a> NH<sub>4</sub><sup>+</sup><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub>, avec parfois la formation d'<a href="/wiki/Ur%C3%A9e" title="Urée">urée</a> CO(NH<sub>2</sub>)<sub>2</sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sup id="cite_ref-Ullmann_6-1" class="reference"><a href="#cite_note-Ullmann-6"><span class="cite_crochet">[</span>6<span class="cite_crochet">]</span></a></sup>. </p> <dl><dd><a href="/wiki/Isocyanate" title="Isocyanate">OCN<sup>−</sup></a> + 2 <a href="/wiki/Eau" title="Eau">H<sub>2</sub>O<sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub></a> → <a href="/wiki/Carbonate" title="Carbonate">CO<sub>3</sub><sup>2−</sup><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub></a> + <a href="/wiki/Ammonium" title="Ammonium">NH<sub>4</sub><sup>+</sup><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub></a>,</dd> <dd><a href="/wiki/Isocyanate" title="Isocyanate">OCN<sup>−</sup></a> + <a href="/wiki/Ammonium" title="Ammonium">NH<sub>4</sub><sup>+</sup><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub></a> → <a href="/wiki/Ur%C3%A9e" title="Urée">CO(NH<sub>2</sub>)<sub>2</sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub></a>.</dd></dl> <div class="mw-heading mw-heading2"><h2 id="Utilisation">Utilisation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Acide_isocyanique&veaction=edit&section=3" title="Modifier la section : Utilisation" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Acide_isocyanique&action=edit&section=3" title="Modifier le code source de la section : Utilisation"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>L'acide n'est pas utilisé sous sa forme protonée, mais comme sels tels l'<a href="/w/index.php?title=Isocyanate_de_potassium&action=edit&redlink=1" class="new" title="Isocyanate de potassium (page inexistante)">isocyanate de potassium</a> et l'<a href="/w/index.php?title=Isocyanate_de_sodium&action=edit&redlink=1" class="new" title="Isocyanate de sodium (page inexistante)">isocyanate de sodium</a><sup id="cite_ref-Ullmann_6-2" class="reference"><a href="#cite_note-Ullmann-6"><span class="cite_crochet">[</span>6<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Références"><span id="R.C3.A9f.C3.A9rences"></span>Références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Acide_isocyanique&veaction=edit&section=4" title="Modifier la section : Références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Acide_isocyanique&action=edit&section=4" title="Modifier le code source de la section : Références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><ol class="references"> <li id="cite_note-h-1"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-h_1-0">a</a> <a href="#cite_ref-h_1-1">b</a> <a href="#cite_ref-h_1-2">c</a> <a href="#cite_ref-h_1-3">d</a> et <a href="#cite_ref-h_1-4">e</a></sup> </span><span class="reference-text">Holleman-Wiberg, Lehrbuch der Anorganischen Chemie, 101. Auflage, de Gruyter Verlag, 1995.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink noprint"><a href="#cite_ref-2">↑</a> </span><span class="reference-text">Masse molaire calculée d’après <span class="ouvrage">« <a rel="nofollow" class="external text" href="http://www.chem.qmul.ac.uk/iupac/AtWt/"><cite style="font-style:normal;"><span class="lang-en" lang="en">Atomic weights of the elements 2007</span></cite></a> », sur <span class="italique">www.chem.qmul.ac.uk</span></span>.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink noprint"><a href="#cite_ref-3">↑</a> </span><span class="reference-text">Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002. <small style="line-height:1em;">(<a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/978-0-07-049439-8" title="Spécial:Ouvrages de référence/978-0-07-049439-8"><span class="nowrap">978-0-07-049439-8</span></a>)</small>.</span> </li> <li id="cite_note-NIST-4"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-NIST_4-0">a</a> et <a href="#cite_ref-NIST_4-1">b</a></sup> </span><span class="reference-text"><span class="ouvrage"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> <a rel="nofollow" class="external text" href="http://webbook.nist.gov/cgi/cbook.cgi?ID=75-13-8&Units=SI"><cite style="font-style:normal;" lang="en">« Isocyanic acid »</cite></a>, sur <span class="italique"><a rel="nofollow" class="external text" href="http://webbook.nist.gov/chemistry/"><i>NIST/WebBook</i></a></span></span>, consulté le 17 février 2010</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink noprint"><a href="#cite_ref-5">↑</a> </span><span class="reference-text"><a href="/wiki/Journal_of_the_American_Chemical_Society" title="Journal of the American Chemical Society">Journal of the American Chemical Society</a>, 2006, vol. 128, <abbr class="abbr" title="pages">p.</abbr> <span class="nowrap">7412-7413</span>.</span> </li> <li id="cite_note-Ullmann-6"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-Ullmann_6-0">a</a> <a href="#cite_ref-Ullmann_6-1">b</a> et <a href="#cite_ref-Ullmann_6-2">c</a></sup> </span><span class="reference-text"><span class="ouvrage" id="Schalke2006"><span class="ouvrage" id="Peter_M._Schalke2006"><abbr class="abbr indicateur-langue" title="Langue : anglais">(en)</abbr> Peter M. Schalke, <cite class="italique" lang="en">Cyanates, Inorganic Salts</cite>, Wiley-VCH Verlag GmbH & Co, <abbr class="abbr" title="collection">coll.</abbr> « Ullmann's Encyclopedia of Industrial Chemistry », <time class="nowrap" datetime="2006-07-15" data-sort-value="2006-07-15">15 juillet 2006</time> <small style="line-height:1em;">(<a href="/wiki/Digital_Object_Identifier" title="Digital Object Identifier">DOI</a> <span class="plainlinks noarchive nowrap"><a rel="nofollow" class="external text" href="https://dx.doi.org/10.1002/14356007.a08_157.pub2">10.1002/14356007.a08_157.pub2</a></span>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Cyanates%2C+Inorganic+Salts&rft.pub=Wiley-VCH+Verlag+GmbH+%26+Co&rft.aulast=Schalke&rft.aufirst=Peter+M.&rft.date=2006-07-15&rft_id=info%3Adoi%2F10.1002%2F14356007.a08_157.pub2&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AAcide+isocyanique"></span></span></span></span> </li> </ol> </div> <div class="navbox-container" style="clear:both;"> <table class="navbox collapsible noprint autocollapse" style=""> <tbody><tr><th class="navbox-title" colspan="2" style=""><div style="float:left; width:6em; text-align:left"><div class="noprint plainlinks nowrap tnavbar" style="padding:0; font-size:xx-small; color:var(--color-emphasized, #000000);"><a href="/wiki/Mod%C3%A8le:Palette_Compos%C3%A9s_de_l%27hydrog%C3%A8ne" title="Modèle:Palette Composés de l'hydrogène"><abbr class="abbr" title="Voir ce modèle.">v</abbr></a> · <a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Mod%C3%A8le:Palette_Compos%C3%A9s_de_l%27hydrog%C3%A8ne&action=edit"><abbr class="abbr" title="Modifier ce modèle. Merci de prévisualiser avant de sauvegarder.">m</abbr></a></div></div><div style="font-size:110%"><a href="/wiki/Liste_de_compos%C3%A9s_inorganiques_H#Hydrog.C3.A8ne" title="Liste de composés inorganiques H">Composés</a> de l'<a href="/wiki/Hydrog%C3%A8ne" title="Hydrogène">hydrogène</a></div></th> </tr> <tr> <td class="navbox-list" style="" colspan="2"><div class="liste-horizontale"> <ul><li><a href="/wiki/Dihydrure_d%27actinium" title="Dihydrure d'actinium">H<sub>2</sub>Ac</a></li> <li><a href="/wiki/Acide_m%C3%A9taars%C3%A9nieux" title="Acide métaarsénieux">HAsO<sub>2</sub></a></li> <li><a href="/wiki/Acide_orthoars%C3%A9nieux" title="Acide orthoarsénieux">H<sub>3</sub>AsO<sub>3</sub></a></li> <li><a href="/wiki/Acide_ars%C3%A9nique" title="Acide arsénique">H<sub>3</sub>AsO<sub>4</sub></a></li> <li><a href="/wiki/Acide_pyroars%C3%A9nique" title="Acide pyroarsénique">H<sub>4</sub>As<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Astature_d%27hydrog%C3%A8ne" title="Astature d'hydrogène">HAt</a></li> <li><a href="/wiki/Acide_t%C3%A9trafluoroborique" title="Acide tétrafluoroborique">HBF<sub>4</sub></a></li> <li><a href="/wiki/Acide_borique" title="Acide borique">H<sub>3</sub>BO<sub>3</sub></a></li> <li><a href="/wiki/Bromure_d%27hydrog%C3%A8ne" title="Bromure d'hydrogène">HBr</a></li> <li><a href="/wiki/Acide_hypobromeux" title="Acide hypobromeux">HBrO</a></li> <li><a href="/wiki/Acide_bromeux" title="Acide bromeux">HBrO<sub>2</sub></a></li> <li><a href="/wiki/Bromate" title="Bromate">HBrO<sub>3</sub></a></li> <li><a href="/wiki/Acide_perbromique" title="Acide perbromique">HBrO<sub>4</sub></a></li> <li><a href="/wiki/Cyanure_d%27hydrog%C3%A8ne" title="Cyanure d'hydrogène">HCN</a></li> <li><a href="/wiki/Acide_fulminique" title="Acide fulminique">HCNO</a></li> <li><a href="/wiki/Acide_carbonique" title="Acide carbonique">H<sub>2</sub>CO<sub>3</sub></a></li> <li><a href="/wiki/Acide_thiocarbonique" title="Acide thiocarbonique">H<sub>2</sub>CS<sub>3</sub></a></li> <li><a href="/wiki/Chlorure_d%27hydrog%C3%A8ne" title="Chlorure d'hydrogène">HCl</a></li> <li><a href="/wiki/Acide_hypochloreux" title="Acide hypochloreux">HClO</a></li> <li><a href="/wiki/Acide_chloreux" title="Acide chloreux">HClO<sub>2</sub></a></li> <li><a href="/wiki/Acide_chlorique" title="Acide chlorique">HClO<sub>3</sub></a></li> <li><a href="/wiki/Acide_perchlorique" title="Acide perchlorique">HClO<sub>4</sub></a></li> <li><a href="/wiki/Acide_chromique" title="Acide chromique">H<sub>2</sub>CrO<sub>4</sub>/H<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Fluorure_d%27hydrog%C3%A8ne" title="Fluorure d'hydrogène">HF</a></li> <li><a href="/wiki/Acide_hypofluoreux" title="Acide hypofluoreux">HFΟ</a></li> <li><a href="/wiki/Hydrure_de_mercure(II)" title="Hydrure de mercure(II)">H<sub>2</sub>Hg</a></li> <li><a href="/wiki/Iodure_d%27hydrog%C3%A8ne" title="Iodure d'hydrogène">HI</a></li> <li><a href="/wiki/Acide_hypoiodeux" title="Acide hypoiodeux">HIO</a></li> <li><a href="/wiki/Acide_iodeux" title="Acide iodeux">HIO<sub>2</sub></a></li> <li><a href="/wiki/Acide_iodique" title="Acide iodique">HIO<sub>3</sub></a></li> <li><a href="/wiki/Acide_periodique" title="Acide periodique">HIO<sub>4</sub></a></li> <li><a href="/wiki/Acide_permanganique" title="Acide permanganique">HMnO<sub>4</sub></a></li> <li><a href="/wiki/Acide_molybdique" title="Acide molybdique">H<sub>2</sub>MoO<sub>4</sub></a></li> <li><a href="/wiki/Isocyanure_d%27hydrog%C3%A8ne" title="Isocyanure d'hydrogène">HNC</a></li> <li><a class="mw-selflink selflink">HNCO</a></li> <li><a href="/wiki/Nitroxyle" title="Nitroxyle">HNO</a></li> <li><a href="/wiki/Acide_nitreux" title="Acide nitreux">HNO<sub>2</sub></a></li> <li><a href="/wiki/Acide_nitrique" title="Acide nitrique">HNO<sub>3</sub></a></li> <li><a href="/wiki/Acide_hyponitreux" title="Acide hyponitreux">H<sub>2</sub>N<sub>2</sub>O<sub>2</sub></a></li> <li><a href="/wiki/Acide_nitrosylsulfurique" title="Acide nitrosylsulfurique">HNO<sub>5</sub>S</a></li> <li><a href="/wiki/Acide_sulfamique" title="Acide sulfamique">H<sub>3</sub>NSO<sub>3</sub></a></li> <li><a href="/wiki/Mol%C3%A9cule_d%27eau" title="Molécule d'eau">H<sub>2</sub>O</a></li> <li><a href="/wiki/Peroxyde_d%27hydrog%C3%A8ne" title="Peroxyde d'hydrogène">H<sub>2</sub>O<sub>2</sub></a></li> <li><a href="/wiki/Trioxyde_d%27hydrog%C3%A8ne" title="Trioxyde d'hydrogène">H<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Monoxyde_de_trihydrog%C3%A8ne" title="Monoxyde de trihydrogène">H<sub>3</sub>O<sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub><sub></sub></a></li> <li><a href="/wiki/Acide_hypophosphoreux" title="Acide hypophosphoreux">H<sub>3</sub>PO<sub>2</sub></a></li> <li><a href="/wiki/Acide_phosphoreux" title="Acide phosphoreux">H<sub>3</sub>PO<sub>3</sub></a></li> <li><a href="/wiki/Acide_phosphorique" title="Acide phosphorique">H<sub>3</sub>PO<sub>4</sub></a></li> <li><a href="/wiki/Acide_pyrophosphorique" title="Acide pyrophosphorique">H<sub>4</sub>P<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Acide_triphosphorique" title="Acide triphosphorique">H<sub>5</sub>P<sub>3</sub>O<sub>10</sub></a></li> <li><a href="/wiki/Hydrure_de_polonium" title="Hydrure de polonium">H<sub>2</sub>Po</a></li> <li><a href="/wiki/Acide_chloroplatinique" title="Acide chloroplatinique">H<sub>2</sub>PtCl<sub>6</sub></a></li> <li><a href="/wiki/Sulfure_d%27hydrog%C3%A8ne" title="Sulfure d'hydrogène">H<sub>2</sub>S</a></li> <li><a href="/wiki/Acide_thiocyanique" title="Acide thiocyanique">HSCN</a></li> <li><a href="/wiki/Acide_thiocyanique" title="Acide thiocyanique">HNSC</a></li> <li><a href="/wiki/Acide_fluorosulfurique" title="Acide fluorosulfurique">HSO<sub>3</sub>F</a></li> <li><a href="/wiki/Acide_sulfureux" title="Acide sulfureux">H<sub>2</sub>SO<sub>3</sub></a></li> <li><a href="/wiki/Acide_sulfurique" title="Acide sulfurique">H<sub>2</sub>SO<sub>4</sub></a></li> <li><a href="/wiki/Acide_de_Caro" title="Acide de Caro">H<sub>2</sub>SO<sub>5</sub></a></li> <li><a href="/wiki/Acide_thiosulfurique" title="Acide thiosulfurique">H<sub>2</sub>S<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Acide_dithionique" title="Acide dithionique">H<sub>2</sub>S<sub>2</sub>O<sub>6</sub></a></li> <li><a href="/wiki/Acide_disulfurique" title="Acide disulfurique">H<sub>2</sub>S<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Acide_peroxydisulfurique" title="Acide peroxydisulfurique">H<sub>2</sub>S<sub>2</sub>O<sub>8</sub></a></li> <li><a href="/wiki/Disulfure_de_dihydrog%C3%A8ne" title="Disulfure de dihydrogène">H<sub>2</sub>S<sub>2</sub></a></li> <li><a href="/wiki/S%C3%A9l%C3%A9niure_d%27hydrog%C3%A8ne" title="Séléniure d'hydrogène">H<sub>2</sub>Se</a></li> <li><a href="/wiki/Acide_s%C3%A9l%C3%A9nieux" title="Acide sélénieux">H<sub>2</sub>SeO<sub>3</sub></a></li> <li><a href="/wiki/Acide_s%C3%A9l%C3%A9nique" title="Acide sélénique">H<sub>2</sub>SeO<sub>4</sub></a></li> <li><a href="/wiki/Acide_silicique" title="Acide silicique">H<sub>4</sub>SiO<sub>4</sub></a></li> <li><a href="/wiki/Acide_hexafluorosilicique" title="Acide hexafluorosilicique">H<sub>2</sub>SiF<sub>6</sub></a></li> <li><a href="/wiki/Acide_trifluorom%C3%A9thanesulfonique" title="Acide trifluorométhanesulfonique">CF<sub>3</sub>SO<sub>3</sub>H</a></li> <li><a href="/wiki/Tellurure_d%27hydrog%C3%A8ne" title="Tellurure d'hydrogène">H<sub>2</sub>Te</a></li> <li><a href="/wiki/Acide_tellureux" title="Acide tellureux">H<sub>2</sub>TeO<sub>3</sub></a></li> <li><a href="/wiki/Acide_tellurique" title="Acide tellurique">H<sub>6</sub>TeO<sub>6</sub></a></li> <li><a href="/wiki/Acide_titanique" title="Acide titanique">H<sub>4</sub>TiO<sub>4</sub></a></li> <li><a href="/wiki/Hydrocarbonyle_de_cobalt" title="Hydrocarbonyle de cobalt">HCo(CO)<sub>4</sub></a></li> <li><a href="/wiki/Dihydrure_de_x%C3%A9non" title="Dihydrure de xénon">XeH<sub>2</sub></a></li> <li><a href="/wiki/Clathrate_d%27hydrog%C3%A8ne" title="Clathrate d'hydrogène">Clathrate d'hydrogène</a></li> <li><i><a href="/wiki/Hydrure_de_positronium" title="Hydrure de positronium">PsH</a></i></li></ul> </div></td> </tr> </tbody></table> </div> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:Chimie" title="Portail de la chimie"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/24px-Nuvola_apps_edu_science.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/36px-Nuvola_apps_edu_science.svg.png 1.5x, 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<ul><li><a href="/wiki/Cat%C3%A9gorie:Acide" title="Catégorie:Acide">Acide</a></li><li><a href="/wiki/Cat%C3%A9gorie:Cyanate" title="Catégorie:Cyanate">Cyanate</a></li><li><a href="/wiki/Cat%C3%A9gorie:Esp%C3%A8ce_chimique_d%C3%A9tect%C3%A9e_dans_le_milieu_interstellaire_ou_circumstellaire" title="Catégorie:Espèce chimique détectée dans le milieu interstellaire ou circumstellaire">Espèce chimique détectée dans le milieu interstellaire ou circumstellaire</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Catégories cachées : <ul><li><a href="/wiki/Cat%C3%A9gorie:Portail:Chimie/Articles_li%C3%A9s" title="Catégorie:Portail:Chimie/Articles liés">Portail:Chimie/Articles liés</a></li><li><a href="/wiki/Cat%C3%A9gorie:Article_utilisant_une_Infobox" title="Catégorie:Article utilisant une Infobox">Article utilisant une Infobox</a></li><li><a href="/wiki/Cat%C3%A9gorie:Chimiebox_%C3%A0_maintenir" title="Catégorie:Chimiebox à maintenir">Chimiebox à 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