CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="fr" dir="ltr"> <head> <meta charset="UTF-8"> <title>Sulfite de sodium — Wikipédia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )frwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":[",\t."," \t,"],"wgDigitTransformTable":["",""], "wgDefaultDateFormat":"dmy","wgMonthNames":["","janvier","février","mars","avril","mai","juin","juillet","août","septembre","octobre","novembre","décembre"],"wgRequestId":"95c83357-ba83-4951-b289-ab225e2d0c19","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Sulfite_de_sodium","wgTitle":"Sulfite de sodium","wgCurRevisionId":198867154,"wgRevisionId":198867154,"wgArticleId":3584585,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Portail:Chimie/Articles liés","Article utilisant une Infobox","Chimiebox à maintenir","Portail:Sciences/Articles liés","Composé du sodium","Sulfite","Antioxydant alimentaire"],"wgPageViewLanguage":"fr","wgPageContentLanguage":"fr","wgPageContentModel":"wikitext","wgRelevantPageName":"Sulfite_de_sodium","wgRelevantArticleId":3584585,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[], "wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"fr","pageLanguageDir":"ltr","pageVariantFallbacks":"fr"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":6000,"wgRelatedArticlesCompat":[],"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q407806","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles": "ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","ext.math.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","site","mediawiki.page.ready","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ArchiveLinks","ext.gadget.Wdsearch","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns", "ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.quicksurveys.init","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=fr&modules=ext.cite.styles%7Cext.math.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=fr&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=fr&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.5"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/9/90/Sodium_sulfite.png"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="550"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/9/90/Sodium_sulfite.png/800px-Sodium_sulfite.png"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="367"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/9/90/Sodium_sulfite.png/640px-Sodium_sulfite.png"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="293"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Sulfite de sodium — Wikipédia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//fr.m.wikipedia.org/wiki/Sulfite_de_sodium"> <link rel="alternate" type="application/x-wiki" title="Modifier" href="/w/index.php?title=Sulfite_de_sodium&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipédia (fr)"> <link rel="EditURI" type="application/rsd+xml" href="//fr.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://fr.wikipedia.org/wiki/Sulfite_de_sodium"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr"> <link rel="alternate" type="application/atom+xml" title="Flux Atom de Wikipédia" href="/w/index.php?title=Sp%C3%A9cial:Modifications_r%C3%A9centes&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Sulfite_de_sodium rootpage-Sulfite_de_sodium skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Aller au contenu</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Menu principal" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-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-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Menu principal</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Menu principal</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">masquer</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Accueil_principal" title="Accueil général [z]" accesskey="z"><span>Accueil</span></a></li><li id="n-thema" class="mw-list-item"><a href="/wiki/Portail:Accueil"><span>Portails thématiques</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Page_au_hasard" title="Affiche un article au hasard [x]" accesskey="x"><span>Article au hasard</span></a></li><li id="n-contact" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Contact"><span>Contact</span></a></li> </ul> </div> </div> <div id="p-Contribuer" class="vector-menu mw-portlet mw-portlet-Contribuer" > <div class="vector-menu-heading"> Contribuer </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-aboutwp" class="mw-list-item"><a href="/wiki/Aide:D%C3%A9buter"><span>Débuter sur Wikipédia</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Aide:Accueil" title="Accès à l’aide"><span>Aide</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Accueil_de_la_communaut%C3%A9" title="À propos du projet, ce que vous pouvez faire, où trouver les informations"><span>Communauté</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Modifications_r%C3%A9centes" title="Liste des modifications récentes sur le wiki [r]" accesskey="r"><span>Modifications récentes</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Wikip%C3%A9dia:Accueil_principal" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipédia" src="/static/images/mobile/copyright/wikipedia-wordmark-fr.svg" style="width: 7.4375em; height: 1.125em;"> <img class="mw-logo-tagline" alt="l'encyclopédie libre" src="/static/images/mobile/copyright/wikipedia-tagline-fr.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Sp%C3%A9cial:Recherche" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Rechercher sur Wikipédia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Rechercher</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Rechercher sur Wikipédia" aria-label="Rechercher sur Wikipédia" autocapitalize="sentences" title="Rechercher sur Wikipédia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Spécial:Recherche"> </div> <button class="cdx-button cdx-search-input__end-button">Rechercher</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Outils personnels"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Modifier l'apparence de la taille, de la largeur et de la couleur de la police de la page" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Apparence" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-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-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Apparence</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_fr.wikipedia.org&uselang=fr" class=""><span>Faire un don</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Sp%C3%A9cial:Cr%C3%A9er_un_compte&returnto=Sulfite+de+sodium" title="Nous vous encourageons à créer un compte utilisateur et vous connecter ; ce n’est cependant pas obligatoire." class=""><span>Créer un compte</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Sp%C3%A9cial:Connexion&returnto=Sulfite+de+sodium" title="Nous vous encourageons à vous connecter ; ce n’est cependant pas obligatoire. [o]" accesskey="o" class=""><span>Se connecter</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Plus d’options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Outils personnels" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-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-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Outils personnels</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menu utilisateur" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_fr.wikipedia.org&uselang=fr"><span>Faire un don</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Cr%C3%A9er_un_compte&returnto=Sulfite+de+sodium" title="Nous vous encourageons à créer un compte utilisateur et vous connecter ; ce n’est cependant pas obligatoire."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Créer un compte</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Connexion&returnto=Sulfite+de+sodium" title="Nous vous encourageons à vous connecter ; ce n’est cependant pas obligatoire. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Se connecter</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages pour les contributeurs déconnectés <a href="/wiki/Aide:Premiers_pas" aria-label="En savoir plus sur la contribution"><span>en savoir plus</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Mes_contributions" title="Une liste des modifications effectuées depuis cette adresse IP [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Mes_discussions" title="La page de discussion pour les contributions depuis cette adresse IP [n]" accesskey="n"><span>Discussion</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Sommaire" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Sommaire</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">masquer</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">Début</div> </a> </li> <li id="toc-Usage" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Usage"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Usage</span> </div> </a> <ul id="toc-Usage-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Production_et_synthèse" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Production_et_synthèse"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Production et synthèse</span> </div> </a> <ul id="toc-Production_et_synthèse-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Propriétés_chimiques" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Propriétés_chimiques"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Propriétés chimiques</span> </div> </a> <ul id="toc-Propriétés_chimiques-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes_et_références" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes_et_références"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Notes et références</span> </div> </a> <ul id="toc-Notes_et_références-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="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 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">Sulfite de sodium</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="Aller à un article dans une autre langue. Disponible en 36 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-36" 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">36 langues</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/Natriumsulfiet" title="Natriumsulfiet – afrikaans" lang="af" hreflang="af" data-title="Natriumsulfiet" 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/%D9%83%D8%A8%D8%B1%D9%8A%D8%AA%D9%8A%D8%AA_%D8%A7%D9%84%D8%B5%D9%88%D8%AF%D9%8A%D9%88%D9%85" title="كبريتيت الصوديوم – arabe" lang="ar" hreflang="ar" data-title="كبريتيت الصوديوم" data-language-autonym="العربية" data-language-local-name="arabe" 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/Natrium_sulfit" title="Natrium sulfit – azerbaïdjanais" lang="az" hreflang="az" data-title="Natrium sulfit" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaïdjanais" 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%B3%D9%88%D8%AF%DB%8C%D9%88%D9%85_%D8%B3%D9%88%D9%84%D9%81%DB%8C%D8%AA" title="سودیوم سولفیت – South Azerbaijani" lang="azb" hreflang="azb" data-title="سودیوم سولفیت" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A7%8B%E0%A6%A1%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AE_%E0%A6%B8%E0%A6%BE%E0%A6%B2%E0%A6%AB%E0%A6%BE%E0%A6%87%E0%A6%9F" title="সোডিয়াম সালফাইট – bengali" lang="bn" hreflang="bn" data-title="সোডিয়াম সালফাইট" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Sulfit_de_sodi" title="Sulfit de sodi – catalan" lang="ca" hreflang="ca" data-title="Sulfit de sodi" 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/Si%C5%99i%C4%8Ditan_sodn%C3%BD" title="Siřičitan sodný – tchèque" lang="cs" hreflang="cs" data-title="Siřičitan sodný" 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/Natriumsulfit" title="Natriumsulfit – allemand" lang="de" hreflang="de" data-title="Natriumsulfit" data-language-autonym="Deutsch" data-language-local-name="allemand" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%98%CE%B5%CE%B9%CF%8E%CE%B4%CE%B5%CF%82_%CE%BD%CE%AC%CF%84%CF%81%CE%B9%CE%BF" title="Θειώδες νάτριο – grec" lang="el" hreflang="el" data-title="Θειώδες νάτριο" data-language-autonym="Ελληνικά" data-language-local-name="grec" 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/Sodium_sulfite" title="Sodium sulfite – anglais" lang="en" hreflang="en" data-title="Sodium sulfite" 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/Natria_sulfito" title="Natria sulfito – espéranto" lang="eo" hreflang="eo" data-title="Natria sulfito" 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/Sulfito_de_sodio" title="Sulfito de sodio – espagnol" lang="es" hreflang="es" data-title="Sulfito de sodio" data-language-autonym="Español" data-language-local-name="espagnol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%D8%AF%DB%8C%D9%85_%D8%B3%D9%88%D9%84%D9%81%DB%8C%D8%AA" title="سدیم سولفیت – persan" lang="fa" hreflang="fa" data-title="سدیم سولفیت" 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/Natriumsulfiitti" title="Natriumsulfiitti – finnois" lang="fi" hreflang="fi" data-title="Natriumsulfiitti" 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%B8%E0%A5%8B%E0%A4%A1%E0%A4%BF%E0%A4%AF%E0%A4%AE_%E0%A4%B8%E0%A4%B2%E0%A5%8D%E0%A4%AB%E0%A4%BE%E0%A4%87%E0%A4%9F" title="सोडियम सल्फाइट – hindi" lang="hi" hreflang="hi" data-title="सोडियम सल्फाइट" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/N%C3%A1trium-szulfit" title="Nátrium-szulfit – hongrois" lang="hu" hreflang="hu" data-title="Nátrium-szulfit" data-language-autonym="Magyar" data-language-local-name="hongrois" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%86%D5%A1%D5%BF%D6%80%D5%AB%D5%B8%D6%82%D5%B4%D5%AB_%D5%BD%D5%B8%D6%82%D5%AC%D6%86%D5%AB%D5%BF" title="Նատրիումի սուլֆիտ – arménien" lang="hy" hreflang="hy" data-title="Նատրիումի սուլֆիտ" data-language-autonym="Հայերեն" data-language-local-name="arménien" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Natrium_sulfit" title="Natrium sulfit – indonésien" lang="id" hreflang="id" data-title="Natrium sulfit" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésien" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Solfito_di_sodio" title="Solfito di sodio – italien" lang="it" hreflang="it" data-title="Solfito di sodio" 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/%E4%BA%9C%E7%A1%AB%E9%85%B8%E3%83%8A%E3%83%88%E3%83%AA%E3%82%A6%E3%83%A0" title="亜硫酸ナトリウム – japonais" lang="ja" hreflang="ja" data-title="亜硫酸ナトリウム" 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-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%95%84%ED%99%A9%EC%82%B0_%EB%82%98%ED%8A%B8%EB%A5%A8" title="아황산 나트륨 – coréen" lang="ko" hreflang="ko" data-title="아황산 나트륨" data-language-autonym="한국어" data-language-local-name="coréen" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9D%D0%B0%D1%82%D1%80%D0%B8%D0%B9_%D1%81%D1%83%D0%BB%D1%8C%D1%84%D0%B8%D1%82%D0%B8" title="Натрий сульфити – kirghize" lang="ky" hreflang="ky" data-title="Натрий сульфити" data-language-autonym="Кыргызча" data-language-local-name="kirghize" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/N%C4%81trija_sulf%C4%ABts" title="Nātrija sulfīts – letton" lang="lv" hreflang="lv" data-title="Nātrija sulfīts" data-language-autonym="Latviešu" data-language-local-name="letton" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Natriumsulfiet" title="Natriumsulfiet – néerlandais" lang="nl" hreflang="nl" data-title="Natriumsulfiet" data-language-autonym="Nederlands" data-language-local-name="néerlandais" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Siarczyn_sodu" title="Siarczyn sodu – polonais" lang="pl" hreflang="pl" data-title="Siarczyn sodu" data-language-autonym="Polski" data-language-local-name="polonais" 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/Sulfito_de_s%C3%B3dio" title="Sulfito de sódio – portugais" lang="pt" hreflang="pt" data-title="Sulfito de sódio" 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/Sulfit_de_sodiu" title="Sulfit de sodiu – roumain" lang="ro" hreflang="ro" data-title="Sulfit de sodiu" 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%A1%D1%83%D0%BB%D1%8C%D1%84%D0%B8%D1%82_%D0%BD%D0%B0%D1%82%D1%80%D0%B8%D1%8F" title="Сульфит натрия – russe" lang="ru" hreflang="ru" data-title="Сульфит натрия" 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/Natrijum_sulfit" title="Natrijum sulfit – serbo-croate" lang="sh" hreflang="sh" data-title="Natrijum sulfit" 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-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Sodium_sulfite" title="Sodium sulfite – Simple English" lang="en-simple" hreflang="en-simple" data-title="Sodium sulfite" 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-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Natrijum_sulfit" title="Natrijum sulfit – serbe" lang="sr" hreflang="sr" data-title="Natrijum sulfit" 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/Natriumsulfit" title="Natriumsulfit – suédois" lang="sv" hreflang="sv" data-title="Natriumsulfit" data-language-autonym="Svenska" data-language-local-name="suédois" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%82%E0%B8%8B%E0%B9%80%E0%B8%94%E0%B8%B5%E0%B8%A2%E0%B8%A1%E0%B8%8B%E0%B8%B1%E0%B8%A5%E0%B9%84%E0%B8%9F%E0%B8%95%E0%B9%8C" title="โซเดียมซัลไฟต์ – thaï" lang="th" hreflang="th" data-title="โซเดียมซัลไฟต์" data-language-autonym="ไทย" data-language-local-name="thaï" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A1%D1%83%D0%BB%D1%8C%D1%84%D1%96%D1%82_%D0%BD%D0%B0%D1%82%D1%80%D1%96%D1%8E" title="Сульфіт натрію – ukrainien" lang="uk" hreflang="uk" data-title="Сульфіт натрію" 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/Natri_sulfit" title="Natri sulfit – vietnamien" lang="vi" hreflang="vi" data-title="Natri sulfit" 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/%E4%BA%9A%E7%A1%AB%E9%85%B8%E9%92%A0" title="亚硫酸钠 – chinois" lang="zh" hreflang="zh" data-title="亚硫酸钠" data-language-autonym="中文" data-language-local-name="chinois" 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/Q407806#sitelinks-wikipedia" title="Modifier les liens interlangues" class="wbc-editpage">Modifier les liens</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="Espaces de noms"> <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/Sulfite_de_sodium" title="Voir le contenu de la page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discussion:Sulfite_de_sodium" rel="discussion" title="Discussion au sujet de cette page de contenu [t]" accesskey="t"><span>Discussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Modifier la variante de langue" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">français</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Affichages"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Sulfite_de_sodium"><span>Lire</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sulfite_de_sodium&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sulfite_de_sodium&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Sulfite_de_sodium&action=history" title="Historique des versions de cette page [h]" accesskey="h"><span>Voir l’historique</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Outils" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Outils</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Outils</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">masquer</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Plus d’options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Sulfite_de_sodium"><span>Lire</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sulfite_de_sodium&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sulfite_de_sodium&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Sulfite_de_sodium&action=history"><span>Voir l’historique</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Général </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_li%C3%A9es/Sulfite_de_sodium" title="Liste des pages liées qui pointent sur celle-ci [j]" accesskey="j"><span>Pages liées</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Suivi_des_liens/Sulfite_de_sodium" rel="nofollow" title="Liste des modifications récentes des pages appelées par celle-ci [k]" accesskey="k"><span>Suivi des pages liées</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Aide:Importer_un_fichier" title="Téléverser des fichiers [u]" accesskey="u"><span>Téléverser un fichier</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_sp%C3%A9ciales" title="Liste de toutes les pages spéciales [q]" accesskey="q"><span>Pages spéciales</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Sulfite_de_sodium&oldid=198867154" title="Adresse permanente de cette version de cette page"><span>Lien permanent</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Sulfite_de_sodium&action=info" title="Davantage d’informations sur cette page"><span>Informations sur la page</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Citer&page=Sulfite_de_sodium&id=198867154&wpFormIdentifier=titleform" title="Informations sur la manière de citer cette page"><span>Citer cette page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:UrlShortener&url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FSulfite_de_sodium"><span>Obtenir l'URL raccourcie</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:QrCode&url=https%3A%2F%2Ffr.wikipedia.org%2Fwiki%2FSulfite_de_sodium"><span>Télécharger le code QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimer / exporter </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Livre&bookcmd=book_creator&referer=Sulfite+de+sodium"><span>Créer un livre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:DownloadAsPdf&page=Sulfite_de_sodium&action=show-download-screen"><span>Télécharger comme PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Sulfite_de_sodium&printable=yes" title="Version imprimable de cette page [p]" accesskey="p"><span>Version imprimable</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Dans d’autres projets </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Sodium_sulfite" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q407806" title="Lien vers l’élément dans le dépôt de données connecté [g]" accesskey="g"><span>Élément Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apparence</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">masquer</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Un article de Wikipédia, l'encyclopédie libre.</div> </div> <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;">Sulfite de sodium </td></tr> <tr><td colspan="2" style="text-align:center; line-height: 1.5em;"><span typeof="mw:File/Frameless"><a href="/wiki/Fichier:Sodium_sulfite.png" class="mw-file-description"><img alt="Image illustrative de l’article Sulfite de sodium" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/Sodium_sulfite.png/160px-Sodium_sulfite.png" decoding="async" width="160" height="73" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/Sodium_sulfite.png/240px-Sodium_sulfite.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/90/Sodium_sulfite.png/320px-Sodium_sulfite.png 2x" data-file-width="932" data-file-height="427" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align:center;">Structure du sulfite de sodium</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>sulfite de disodium</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=7757-83-7&language=fr&title=Sulfite_de_sodium">7757-83-7</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/100.028.929">100.028.929</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>231-821-4 </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/24437">24437</a></span></span> </td> </tr> <tr> <th scope="row"><a href="/wiki/Liste_des_additifs_alimentaires" title="Liste des additifs alimentaires">N<sup>o</sup> E</a> </th> <td><a href="/wiki/E221" class="mw-redirect" title="E221"><abbr class="abbr" title="Sulfite de sodium, Conservateur synthétique">E221</abbr></a> </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-]S(=O)[O-].[Na+].[Na+] <br /><span class="reflink plainlinksneverexpand"><a rel="nofollow" class="external text" href="http://pubchem.ncbi.nlm.nih.gov/search/?smarts=%5BO-%5DS%28%3DO%29%5BO-%5D.%5BNa%2B%5D.%5BNa%2B%5D">PubChem</a></span>, <span class="reflink plainlinksneverexpand"><a rel="nofollow" class="external text" href="http://chemapps.stolaf.edu/jmol/jmol.php?title=Sulfite+de+sodium&model=%5BO-%5DS%28%3DO%29%5BO-%5D.%5BNa%2B%5D.%5BNa%2B%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=Sulfite+de+sodium&model=InChI%3D1%2F2Na.H2O3S%2Fc%3B%3B1-4%282%293%2Fh%3B%3B%28H2%2C1%2C2%2C3%29%2Fq2%2A%2B1%3B%2Fp-2%2Ff2Na.O3S%2Fq2m%3B-2">vue 3D</a></span> <br />InChI=1/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2/f2Na.O3S/q2m;-2 <br /></div></div> </td> </tr> <tr> <th scope="row">Apparence </th> <td>cristaux blancs ou poudre<sup id="cite_ref-ICSC_1-0" class="reference"><a href="#cite_note-ICSC-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">Propriétés chimiques</th></tr> <tr> <th scope="row"><a href="/wiki/Formule_chimique" title="Formule chimique">Formule</a> </th> <td><span style="display: none"><a href="/wiki/Sodium" title="Sodium">Na</a><sub>2</sub><a href="/wiki/Oxyg%C3%A8ne" title="Oxygène">O</a><sub>3</sub><a href="/wiki/Soufre" title="Soufre">S</a></span>Na<sub>2</sub>SO<sub>3</sub> </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>126,043 ± 0,006 <a href="/wiki/Gramme" title="Gramme">g</a>/<a href="/wiki/Mole_(unit%C3%A9)" title="Mole (unité)">mol</a> <br /><small>Na 36,48 %,  O 38,08 %,  S 25,44 %,  </small> </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="1 112 °F ou 873,2 K">600 </span><abbr class="abbr" title="degré Celsius">°C</abbr>  (<a href="/wiki/D%C3%A9composition" title="Décomposition">décomposition</a>)<sup id="cite_ref-ICSC_1-1" class="reference"><a href="#cite_note-ICSC-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><span class="nowrap"><span title="">280</span> <span title="Gramme">g</span>·<span title="Kilogramme">kg</span><sup>-1</sup></span> (<a href="/wiki/Eau" title="Eau">eau</a>, <span title="92,1 °F ou 306,6 K">33,4 </span><abbr class="abbr" title="degré Celsius">°C</abbr>)<sup id="cite_ref-Kirk2_3-0" class="reference"><a href="#cite_note-Kirk2-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <th scope="row"><a href="/wiki/Masse_volumique" title="Masse volumique">Masse volumique</a> </th> <td><span class="nowrap"><span title="2 630 kg⋅m⁻³ ou 89,87 °Baumé">2,63</span> <span title="Gramme">g</span>·<span title="centimètre">cm</span><sup>-3</sup></span> (<span title="68 °F ou 293,2 K">20 </span><abbr class="abbr" title="degré Celsius">°C</abbr>)<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup> </td> </tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#ffb4b4; color:#000000">Précautions</th></tr> <tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#eeeeee; color:#000000"><a href="/wiki/Syst%C3%A8me_d%27information_sur_les_mati%C3%A8res_dangereuses_utilis%C3%A9es_au_travail" title="Système d'information sur les matières dangereuses utilisées au travail">SIMDUT</a><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></th></tr> <tr> <td colspan="2" style="text-align:center;"><br />Produit non contrôlé<div class="NavFrame" title="[+]/[–]" style="border:none; padding: 0;"><div class="NavContent" style="display:none; text-align:left;">Ce produit n'est pas contrôlé selon les critères de classification du SIMDUT.</div></div></td> </tr><tr> <th colspan="2" style="padding:4px; text-align:center; background-color:#ffb4b4; color:#000000"><a href="/wiki/%C3%89cotoxicologie" title="Écotoxicologie">Écotoxicologie</a></th></tr> <tr> <th scope="row"><a href="/wiki/Dose_l%C3%A9tale_m%C3%A9diane" title="Dose létale médiane">DL<small style="line-height: 1.5em; font-size: 80%;"><sub>50</sub></small></a> </th> <td><span class="nowrap"><span title="">820</span> <span title="milligramme">mg</span>·<span title="Kilogramme">kg</span><sup>-1</sup></span> (souris,oral)<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite_crochet">[</span>6<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=Sulfite_de_sodium&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>Le <b>sulfite de sodium</b> est un sel de <a href="/wiki/Formule_brute" title="Formule brute">formule brute</a> Na<sub>2</sub>SO<sub>3</sub> utilisé comme agent de conservation pour ses propriétés réductrices. Il est également utilisé en chimie, en photographie, dans le textile et l'industrie du papier. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Usage">Usage</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sulfite_de_sodium&veaction=edit&section=1" title="Modifier la section : Usage" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sulfite_de_sodium&action=edit&section=1" title="Modifier le code source de la section : Usage"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Le sulfite de sodium est un <a href="/wiki/Additif_alimentaire" title="Additif alimentaire">additif alimentaire</a> de la classe des <a href="/wiki/Antioxydant" title="Antioxydant">antioxydants</a>. Il est considéré comme l'inhibiteur le plus efficace contre la détérioration des fruits secs<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite_crochet">[</span>7<span class="cite_crochet">]</span></a></sup>. Il a été utilisé pour la <a href="/wiki/Conservation_de_la_viande" title="Conservation de la viande">conservation de la viande</a>. Mais ses propriétés réductrices sont également utilisées en photographie pour la fixation et pour la préservation des films contre la décoloration. L'industrie du papier en est un grand consommateur pour le <a href="/wiki/Blanchiment_(chimie)" title="Blanchiment (chimie)">blanchiment</a>. Pour le traitement des eaux, le sulfite de sodium est utilisé pour neutraliser les traces de <a href="/wiki/Chlore" title="Chlore">chlore</a> ou d'oxygène et prévenir la corrosion de la tuyauterie<sup id="cite_ref-Kirk2_3-1" class="reference"><a href="#cite_note-Kirk2-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Production_et_synthèse"><span id="Production_et_synth.C3.A8se"></span>Production et synthèse</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sulfite_de_sodium&veaction=edit&section=2" title="Modifier la section : Production et synthèse" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sulfite_de_sodium&action=edit&section=2" title="Modifier le code source de la section : Production et synthèse"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Il existe une voie principale pour la production du sulfite de sodium<sup id="cite_ref-Kirk2_3-2" class="reference"><a href="#cite_note-Kirk2-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup> : </p><p>Une suspension de <a href="/wiki/Carbonate_de_sodium" title="Carbonate de sodium">carbonate de sodium</a> est traitée avec du <a href="/wiki/Dioxyde_de_soufre" title="Dioxyde de soufre">dioxyde de soufre</a> pour former le <a href="/wiki/Bisulfite_de_sodium" title="Bisulfite de sodium">bisulfite de sodium</a>. L'ajout de l'hydroxyde de sodium convertit ce composé en sulfite de sodium. Une suspension est obtenue, puis après centrifugation et séchage, le sel est obtenu avec une pureté comprise entre 90 et 98 %. Le dioxyde de soufre provient parfois des gaz de combustion de composés sulfurés. </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 {SO_{2}\ {\xrightarrow[{}]{Na_{2}CO_{3}}}\ NaHSO_{3}\ {\xrightarrow[{}]{NaOH}}\ Na_{2}SO_{3}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">S</mi> <msub> <mi mathvariant="normal">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <munderover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset="-.24em"> <mrow class="MJX-TeXAtom-ORD"> </mrow> </mpadded> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <mi mathvariant="normal">N</mi> <msub> <mi mathvariant="normal">a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi mathvariant="normal">C</mi> <msub> <mi mathvariant="normal">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> </mpadded> </munderover> </mrow> <mtext> </mtext> <mi mathvariant="normal">N</mi> <mi mathvariant="normal">a</mi> <mi mathvariant="normal">H</mi> <mi mathvariant="normal">S</mi> <msub> <mi mathvariant="normal">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mtext> </mtext> <mrow class="MJX-TeXAtom-ORD"> <munderover> <mo>→</mo> <mpadded width="+0.611em" lspace="0.278em" voffset="-.24em"> <mrow class="MJX-TeXAtom-ORD"> </mrow> </mpadded> <mpadded width="+0.611em" lspace="0.278em" voffset=".15em"> <mi mathvariant="normal">N</mi> <mi mathvariant="normal">a</mi> <mi mathvariant="normal">O</mi> <mi mathvariant="normal">H</mi> </mpadded> </munderover> </mrow> <mtext> </mtext> <mi mathvariant="normal">N</mi> <msub> <mi mathvariant="normal">a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi mathvariant="normal">S</mi> <msub> <mi mathvariant="normal">O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\rm {SO_{2}\ {\xrightarrow[{}]{Na_{2}CO_{3}}}\ NaHSO_{3}\ {\xrightarrow[{}]{NaOH}}\ Na_{2}SO_{3}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2c31d8b9fe2162ab67d9b1ff7062e7e8a2df22ed" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.654ex; margin-top: -0.313ex; margin-bottom: -0.518ex; width:36.791ex; height:5.676ex;" alt="{\displaystyle {\rm {SO_{2}\ {\xrightarrow[{}]{Na_{2}CO_{3}}}\ NaHSO_{3}\ {\xrightarrow[{}]{NaOH}}\ Na_{2}SO_{3}}}}"></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Propriétés_chimiques"><span id="Propri.C3.A9t.C3.A9s_chimiques"></span>Propriétés chimiques</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sulfite_de_sodium&veaction=edit&section=3" title="Modifier la section : Propriétés chimiques" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sulfite_de_sodium&action=edit&section=3" title="Modifier le code source de la section : Propriétés chimiques"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Le sulfite de sodium <a href="/wiki/Anhydre" title="Anhydre">anhydre</a> est stable à l'air sec. En présence d'air humide, il est rapidement oxydé en <a href="/wiki/Sulfate_de_sodium" title="Sulfate de sodium">sulfate de sodium</a>. Il se décompose vers <span title="1 112 °F ou 873,2 K">600 </span><abbr class="abbr" title="degré Celsius">°C</abbr> en sulfate et en <a href="/wiki/Sulfure_de_sodium" title="Sulfure de sodium">sulfure de sodium</a>. </p><p>En présence de soufre, il réagit pour former le <a href="/wiki/Thiosulfate_de_sodium" title="Thiosulfate de sodium">thiosulfate de sodium</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Notes_et_références"><span id="Notes_et_r.C3.A9f.C3.A9rences"></span>Notes et références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sulfite_de_sodium&veaction=edit&section=4" title="Modifier la section : Notes et références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Sulfite_de_sodium&action=edit&section=4" title="Modifier le code source de la section : Notes et références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-ICSC-1"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-ICSC_1-0">a</a> et <a href="#cite_ref-ICSC_1-1">b</a></sup> </span><span class="reference-text"><a rel="nofollow" class="external text" href="https://www.ilo.org/dyn/icsc/showcard.display?p_lang=fr&p_card_id=1200">SULFITE DE SODIUM</a>, <a href="/wiki/Fiches_internationales_de_s%C3%A9curit%C3%A9_chimique" title="Fiches internationales de sécurité chimique">Fiches internationales de sécurité chimique</a> </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-Kirk2-3"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-Kirk2_3-0">a</a> <a href="#cite_ref-Kirk2_3-1">b</a> et <a href="#cite_ref-Kirk2_3-2">c</a></sup> </span><span class="reference-text"><span class="ouvrage" id="2006">Edward D. Weil, Stanley R. Sandler, Michael Gernon, <cite class="italique">Kirk Othmer Encyclopedia of Chemical Technology</cite>, <span class="italique">Sulfur compounds</span>, Wiley-VCH Verlag, <time>2006</time><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Kirk+Othmer+Encyclopedia+of+Chemical+Technology&rft.pub=Wiley-VCH+Verlag&rft.date=2006&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ASulfite+de+sodium"></span></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink noprint"><a href="#cite_ref-4">↑</a> </span><span class="reference-text"><span class="noarchive">Entrée « Sodium sulfite » dans la base de données de produits chimiques <i>GESTIS</i> de la IFA (organisme allemand responsable de la sécurité et de la santé au travail) (<a rel="nofollow" class="external text" href="https://gestis.dguv.de/data?name=570201">allemand</a>, <a rel="nofollow" class="external text" href="https://gestis.dguv.de/data?name=570201&lang=en">anglais</a>), accès le 22 janvier 2009 <small>(JavaScript nécessaire)</small></span></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 rel="nofollow" class="external text" href="http://www.reptox.csst.qc.ca/DetailSimdut.asp?no_produit=8441&langue=F">Sulfite de sodium</a> » dans la base de données de produits chimiques <i>Reptox</i> de la <a href="/wiki/Commission_de_la_sant%C3%A9_et_de_la_s%C3%A9curit%C3%A9_du_travail" title="Commission de la santé et de la sécurité du travail">CSST</a> (organisme québécois responsable de la sécurité et de la santé au travail), consulté le 25 avril 2009</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink noprint"><a href="#cite_ref-6">↑</a> </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://chem.nlm.nih.gov/chemidplus/rn/7757-83-7"><cite style="font-style:normal;" lang="en">Sulfite de sodium</cite></a> », sur <span class="italique"><a rel="nofollow" class="external text" href="http://sis.nlm.nih.gov/chemical.html"><i>ChemIDplus</i></a></span></span> (consulté le 22 janvier 2009)</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink noprint"><a href="#cite_ref-7">↑</a> </span><span class="reference-text"><span class="ouvrage" id="Somogyi2004"><span class="ouvrage" id="Laszlo_P._Somogyi2004">Laszlo P. Somogyi, <cite class="italique">Kirk Othmer Encyclopedia of Chemical Technology</cite>, <span class="italique">Food additives</span>, Wiley-VCH Verlag, <time>2004</time><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Kirk+Othmer+Encyclopedia+of+Chemical+Technology&rft.pub=Wiley-VCH+Verlag&rft.aulast=Somogyi&rft.aufirst=Laszlo+P.&rft.date=2004&rfr_id=info%3Asid%2Ffr.wikipedia.org%3ASulfite+de+sodium"></span></span></span></span> </li> </ol></div> </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_du_sodium" title="Modèle:Palette Composés du sodium"><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_du_sodium&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_N#Sodium" title="Liste de composés inorganiques N">Composés</a> du <a href="/wiki/Sodium" title="Sodium">sodium</a></div></th> </tr> <tr> <td class="navbox-list" style="text-align:center;" colspan="2"><div class="liste-horizontale"> <ul><li><a href="/wiki/Aluminate_de_sodium" title="Aluminate de sodium">NaAlO<sub>2</sub></a></li> <li><a href="/wiki/Aluminohydrure_de_sodium" title="Aluminohydrure de sodium">NaAlH<sub>4</sub></a></li> <li><a href="/wiki/M%C3%A9taars%C3%A9nite_de_sodium" title="Métaarsénite de sodium">NaAsO<sub>2</sub></a></li> <li><a href="/wiki/T%C3%A9trafluoroborate_de_sodium" title="Tétrafluoroborate de sodium">NaBF<sub>4</sub></a></li> <li><a href="/wiki/T%C3%A9trahydruroborate_de_sodium" title="Tétrahydruroborate de sodium">NaBH<sub>4</sub></a></li> <li><a href="/wiki/M%C3%A9taborate_de_sodium" title="Métaborate de sodium">NaBO<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><sub></sub></a></li> <li><a href="/wiki/Bismuthate_de_sodium" title="Bismuthate de sodium">NaBiO<sub>3</sub></a></li> <li><a href="/wiki/Bromure_de_sodium" title="Bromure de sodium">NaBr</a></li> <li><a href="/wiki/Hypobromite_de_sodium" title="Hypobromite de sodium">NaBrO</a></li> <li><a href="/wiki/Bromate_de_sodium" title="Bromate de sodium">NaBrO<sub>3</sub></a></li> <li><a href="/wiki/Cyanure_de_sodium" title="Cyanure de sodium">NaCN</a></li> <li><a href="/w/index.php?title=Fulminate_de_sodium&action=edit&redlink=1" class="new" title="Fulminate de sodium (page inexistante)">NaCNO</a></li> <li><a href="/wiki/Chlorure_de_sodium" title="Chlorure de sodium">NaCl</a></li> <li><a href="/wiki/Hypochlorite_de_sodium" title="Hypochlorite de sodium">NaClO</a></li> <li><a href="/wiki/Chlorite_de_sodium" title="Chlorite de sodium">NaClO<sub>2</sub></a></li> <li><a href="/wiki/Chlorate_de_sodium" title="Chlorate de sodium">NaClO<sub>3</sub></a></li> <li><a href="/wiki/Perchlorate_de_sodium" title="Perchlorate de sodium">NaClO<sub>4</sub></a></li> <li><a href="/wiki/Fluorure_de_sodium" title="Fluorure de sodium">NaF</a></li> <li><a href="/wiki/Hydrure_de_sodium" title="Hydrure de sodium">NaH</a></li> <li><a href="/wiki/Formiate_de_sodium" title="Formiate de sodium">NaHCO<sub>2</sub></a></li> <li><a href="/wiki/Bicarbonate_de_sodium" title="Bicarbonate de sodium">NaHCO<sub>3</sub></a></li> <li><a href="/w/index.php?title=Bifluorure_de_sodium&action=edit&redlink=1" class="new" title="Bifluorure de sodium (page inexistante)">NaHF<sub>2</sub></a></li> <li><a href="/wiki/Bisulfite_de_sodium" title="Bisulfite de sodium">NaHSO<sub>3</sub></a></li> <li><a href="/wiki/Dihydrog%C3%A9nophosphate_de_sodium" title="Dihydrogénophosphate de sodium">NaH<sub>2</sub>PO<sub>4</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/Hydrog%C3%A9nosulfate_de_sodium" title="Hydrogénosulfate de sodium">NaHSO<sub>4</sub></a></li> <li><a href="/w/index.php?title=Hydrog%C3%A9nopersulfate_de_sodium&action=edit&redlink=1" class="new" title="Hydrogénopersulfate de sodium (page inexistante)">Na<sub>2</sub>HSO<sub>5</sub></a></li> <li><a href="/wiki/Ars%C3%A9niate_de_sodium" title="Arséniate de sodium">NaH<sub>2</sub>AsO<sub>4</sub></a></li> <li><a href="/wiki/Iodure_de_sodium" title="Iodure de sodium">NaI</a></li> <li><a href="/wiki/Iodate_de_sodium" title="Iodate de sodium">NaIO<sub>3</sub></a></li> <li><a href="/wiki/Periodate_de_sodium" title="Periodate de sodium">NaIO<sub>4</sub></a></li> <li><a href="/wiki/Permanganate_de_sodium" title="Permanganate de sodium">NaMnO<sub>4</sub></a></li> <li><a href="/wiki/Azoture_de_sodium" title="Azoture de sodium">NaN<sub>3</sub></a></li> <li><a href="/wiki/Amidure_de_sodium" title="Amidure de sodium">NaNH<sub>2</sub></a></li> <li><a href="/wiki/Nitrite_de_sodium" title="Nitrite de sodium">NaNO<sub>2</sub></a></li> <li><a href="/wiki/Nitrate_de_sodium" title="Nitrate de sodium">NaNO<sub>3</sub></a></li> <li><a href="/wiki/Cyanate_de_sodium" title="Cyanate de sodium">NaOCN</a></li> <li><a href="/wiki/Hydroxyde_de_sodium" title="Hydroxyde de sodium">NaOH</a></li> <li><a href="/w/index.php?title=Superoxyde_de_sodium&action=edit&redlink=1" class="new" title="Superoxyde de sodium (page inexistante)">NaO<sub>2</sub></a></li> <li><a href="/wiki/Hexafluorophosphate_de_sodium" title="Hexafluorophosphate de sodium">NaPF<sub>6</sub></a></li> <li><a href="/wiki/Hypophosphite_de_sodium" title="Hypophosphite de sodium">NaPO<sub>2</sub>H<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></li> <li><a href="/wiki/Thiocyanate_de_sodium" title="Thiocyanate de sodium">NaSCN</a></li> <li><a href="/wiki/Pertechn%C3%A9tate_de_sodium" title="Pertechnétate de sodium">NaTcO<sub>4</sub></a></li> <li><a href="/wiki/T%C3%A9traborate_de_sodium" title="Tétraborate de sodium">Na<sub>2</sub>B<sub>4</sub>O<sub>7</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/Perborate_de_sodium" title="Perborate de sodium">Na<sub>2</sub>B<sub>2</sub>O<sub>4</sub>(OH)<sub>4</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/Carbonate_de_sodium" title="Carbonate de sodium">Na<sub>2</sub>CO<sub>3</sub></a></li> <li><a href="/wiki/Chromate_de_sodium" title="Chromate de sodium">Na<sub>2</sub>CrO<sub>4</sub></a></li> <li><a href="/wiki/Dichromate_de_sodium" title="Dichromate de sodium">Na<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/w/index.php?title=Ferrate_de_sodium&action=edit&redlink=1" class="new" title="Ferrate de sodium (page inexistante)">Na<sub>2</sub>FeO<sub>4</sub></a></li> <li><a href="/wiki/Hydrog%C3%A9nophosphate_de_sodium" title="Hydrogénophosphate de sodium">Na<sub>2</sub>HPO<sub>4</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="/w/index.php?title=Manganate_de_sodium&action=edit&redlink=1" class="new" title="Manganate de sodium (page inexistante)">Na<sub>2</sub>MnO<sub>4</sub></a></li> <li><a href="/wiki/Molybdate_de_sodium" title="Molybdate de sodium">Na<sub>2</sub>MoO<sub>4</sub></a></li> <li><a href="/wiki/Oxyde_de_sodium" title="Oxyde de sodium">Na<sub>2</sub>O</a></li> <li><a href="/wiki/Peroxyde_de_sodium" title="Peroxyde de sodium">Na<sub>2</sub>O<sub>2</sub></a></li> <li><a href="/w/index.php?title=T%C3%A9trachloroplatinate_de_sodium&action=edit&redlink=1" class="new" title="Tétrachloroplatinate de sodium (page inexistante)">Na<sub>2</sub>PtCl<sub>4</sub></a></li> <li><a href="/w/index.php?title=Hexachloroplatinate_de_sodium&action=edit&redlink=1" class="new" title="Hexachloroplatinate de sodium (page inexistante)">Na<sub>2</sub>PtCl<sub>6</sub></a></li> <li><a href="/wiki/Sulfure_de_sodium" title="Sulfure de sodium">Na<sub>2</sub>S</a></li> <li><a href="/wiki/Disulfure_de_sodium" title="Disulfure de sodium">Na<sub>2</sub>S<sub>2</sub></a></li> <li><a class="mw-selflink selflink">Na<sub>2</sub>SO<sub>3</sub></a></li> <li><a href="/wiki/Thiosulfate_de_sodium" title="Thiosulfate de sodium">Na<sub>2</sub>S<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Sulfate_de_sodium" title="Sulfate de sodium">Na<sub>2</sub>SO<sub>4</sub></a></li> <li><a href="/wiki/M%C3%A9tabisulfite_de_sodium" title="Métabisulfite de sodium">Na<sub>2</sub>S<sub>2</sub>O<sub>5</sub></a></li> <li><a href="/w/index.php?title=Pyrosulfate_de_sodium&action=edit&redlink=1" class="new" title="Pyrosulfate de sodium (page inexistante)">Na<sub>2</sub>S<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Persulfate_de_sodium" title="Persulfate de sodium">Na<sub>2</sub>S<sub>2</sub>O<sub>8</sub></a></li> <li><a href="/wiki/S%C3%A9l%C3%A9nite_de_sodium" title="Sélénite de sodium">Na<sub>2</sub>SeO<sub>3</sub></a></li> <li><a href="/wiki/Silicate_de_sodium" title="Silicate de sodium">Na<sub>2</sub>SiO<sub>3</sub></a></li> <li><a href="/wiki/Tellurure_de_sodium" title="Tellurure de sodium">Na<sub>2</sub>Te</a></li> <li><a href="/wiki/Tellurite_de_sodium" title="Tellurite de sodium">Na<sub>2</sub>TeO<sub>3</sub></a></li> <li><a href="/wiki/Diuranate_de_sodium" title="Diuranate de sodium">Na<sub>2</sub>U<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Tungstate_de_sodium" title="Tungstate de sodium">Na<sub>2</sub>WO<sub>4</sub></a></li> <li><a href="/w/index.php?title=Ferricyanure_de_sodium&action=edit&redlink=1" class="new" title="Ferricyanure de sodium (page inexistante)">Na<sub>3</sub>[Fe(CN)<sub>6</sub>]</a></li> <li><a href="/wiki/Ferrocyanure_de_sodium" title="Ferrocyanure de sodium">Na<sub>4</sub>[Fe(CN)<sub>6</sub>]</a></li> <li><a href="/w/index.php?title=Ferrioxalate_de_sodium&action=edit&redlink=1" class="new" title="Ferrioxalate de sodium (page inexistante)">Na<sub>3</sub>[Fe(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>]</a></li> <li><a href="/wiki/Phosphate_de_sodium" title="Phosphate de sodium">Na<sub>3</sub>PO<sub>4</sub></a></li> <li><a href="/w/index.php?title=Manganite_de_sodium&action=edit&redlink=1" class="new" title="Manganite de sodium (page inexistante)">Na<sub>4</sub>MnO<sub>4</sub></a></li> <li><a href="/w/index.php?title=Octachlorodimolybdate_de_sodium&action=edit&redlink=1" class="new" title="Octachlorodimolybdate de sodium (page inexistante)">Na<sub>4</sub>Mo<sub>2</sub>Cl<sub>8</sub></a></li> <li><a href="/wiki/Pyrophosphate_de_sodium" title="Pyrophosphate de sodium">Na<sub>4</sub>P<sub>2</sub>O<sub>7</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/Orthosilicate_de_sodium" title="Orthosilicate de sodium">Na<sub>4</sub>SiO<sub>4</sub></a></li> <li><a href="/wiki/Triphosphate_de_sodium" title="Triphosphate de sodium">Na<sub>5</sub>P<sub>3</sub>O<sub>10</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/Hexam%C3%A9taphosphate_de_sodium" title="Hexamétaphosphate de sodium">Na<sub>6</sub>P<sub>6</sub>O<sub>18</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/Pyrosilicate_de_sodium" title="Pyrosilicate de sodium">Na<sub>6</sub>Si<sub>2</sub>O<sub>7</sub></a></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, //upload.wikimedia.org/wikipedia/commons/thumb/5/59/Nuvola_apps_edu_science.svg/48px-Nuvola_apps_edu_science.svg.png 2x" data-file-width="128" data-file-height="128" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:Chimie" title="Portail:Chimie">Portail de la chimie</a></span> </span></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="">Ce document provient de « <a dir="ltr" href="https://fr.wikipedia.org/w/index.php?title=Sulfite_de_sodium&oldid=198867154">https://fr.wikipedia.org/w/index.php?title=Sulfite_de_sodium&oldid=198867154</a> ».</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Cat%C3%A9gorie:Accueil" title="Catégorie:Accueil">Catégories</a> : <ul><li><a href="/wiki/Cat%C3%A9gorie:Compos%C3%A9_du_sodium" title="Catégorie:Composé du sodium">Composé du sodium</a></li><li><a href="/wiki/Cat%C3%A9gorie:Sulfite" title="Catégorie:Sulfite">Sulfite</a></li><li><a href="/wiki/Cat%C3%A9gorie:Antioxydant_alimentaire" title="Catégorie:Antioxydant alimentaire">Antioxydant alimentaire</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 maintenir</a></li><li><a href="/wiki/Cat%C3%A9gorie:Portail:Sciences/Articles_li%C3%A9s" title="Catégorie:Portail:Sciences/Articles liés">Portail:Sciences/Articles liés</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"> La dernière modification de cette page a été faite le 21 novembre 2022 à 21:02.</li> <li id="footer-info-copyright"><span style="white-space: normal"><a href="/wiki/Wikip%C3%A9dia:Citation_et_r%C3%A9utilisation_du_contenu_de_Wikip%C3%A9dia" title="Wikipédia:Citation et réutilisation du contenu de Wikipédia">Droit d'auteur</a> : les textes sont disponibles sous <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.fr">licence Creative Commons attribution, partage dans les mêmes conditions</a> ; d’autres conditions peuvent s’appliquer. Voyez les <a class="external text" href="https://foundation.wikimedia.org/wiki/Policy:Terms_of_Use/fr">conditions d’utilisation</a> pour plus de détails, ainsi que les <a href="/wiki/Wikip%C3%A9dia:Cr%C3%A9dits_graphiques" title="Wikipédia:Crédits graphiques">crédits graphiques</a>. En cas de réutilisation des textes de cette page, voyez <a href="/wiki/Sp%C3%A9cial:Citer/Sulfite_de_sodium" title="Spécial:Citer/Sulfite de sodium">comment citer les auteurs et mentionner la licence</a>.<br /> Wikipedia® est une marque déposée de la <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, organisation de bienfaisance régie par le paragraphe <a href="/wiki/501c" title="501c">501(c)(3)</a> du code fiscal des États-Unis.</span><br /></li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy/fr">Politique de confidentialité</a></li> <li id="footer-places-about"><a href="/wiki/Wikip%C3%A9dia:%C3%80_propos_de_Wikip%C3%A9dia">À propos de Wikipédia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikip%C3%A9dia:Avertissements_g%C3%A9n%C3%A9raux">Avertissements</a></li> <li id="footer-places-contact"><a href="//fr.wikipedia.org/wiki/Wikipédia:Contact">Contact</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code de conduite</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Développeurs</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/fr.wikipedia.org">Statistiques</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Déclaration sur les témoins (cookies)</a></li> <li id="footer-places-mobileview"><a href="//fr.m.wikipedia.org/w/index.php?title=Sulfite_de_sodium&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Version mobile</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-5c59558b9d-mv6dh","wgBackendResponseTime":180,"wgPageParseReport":{"limitreport":{"cputime":"0.439","walltime":"0.570","ppvisitednodes":{"value":11676,"limit":1000000},"postexpandincludesize":{"value":103602,"limit":2097152},"templateargumentsize":{"value":38893,"limit":2097152},"expansiondepth":{"value":18,"limit":100},"expensivefunctioncount":{"value":4,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":6373,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 480.896 1 -total"," 73.43% 353.122 1 Modèle:Infobox_Chimie"," 70.98% 341.324 1 Modèle:Infobox_Chimie/2"," 29.27% 140.764 20 Modèle:Infobox/Sous-titre_optionnel"," 22.58% 108.604 113 Modèle:Infobox/Ligne_mixte_optionnelle"," 12.73% 61.239 1 Modèle:Références"," 12.03% 57.833 1 Modèle:Note"," 10.76% 51.746 2 Modèle:Lien_web"," 7.93% 38.154 1 Modèle:Portail"," 6.84% 32.916 1 Modèle:ATC"]},"scribunto":{"limitreport-timeusage":{"value":"0.085","limit":"10.000"},"limitreport-memusage":{"value":4845973,"limit":52428800}},"cachereport":{"origin":"mw-api-int.codfw.main-6fdd9f9b88-kj975","timestamp":"20241130042200","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Sulfite de sodium","url":"https:\/\/fr.wikipedia.org\/wiki\/Sulfite_de_sodium","sameAs":"http:\/\/www.wikidata.org\/entity\/Q407806","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q407806","author":{"@type":"Organization","name":"Contributeurs aux projets Wikimedia"},"publisher":{"@type":"Organization","name":"Fondation Wikimedia, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2009-01-21T10:04:15Z","dateModified":"2022-11-21T20:02:53Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/9\/90\/Sodium_sulfite.png","headline":"compos\u00e9 chimique"}</script> </body> </html>