{"id":12354,"date":"2026-02-12T03:28:13","date_gmt":"2026-02-12T03:28:13","guid":{"rendered":"https:\/\/rawchemicalmart.com\/what-is-yellow-iron-oxide\/"},"modified":"2026-02-12T10:39:44","modified_gmt":"2026-02-12T10:39:44","slug":"quest-ce-que-loxyde-de-fer-jaune","status":"publish","type":"post","link":"https:\/\/rawchemicalmart.com\/fr\/quest-ce-que-loxyde-de-fer-jaune\/","title":{"rendered":"Qu\u2019est-ce que l\u2019oxyde de fer jaune\u00a0? Propri\u00e9t\u00e9s, utilisations et qualit\u00e9s (Guide 2026)"},"content":{"rendered":"<p><strong>Oxyde de fer jaune<\/strong> L&#039;oxyde ferrique hydrat\u00e9 est l&#039;un des pigments inorganiques les plus polyvalents et les plus utilis\u00e9s au monde. Reconnu pour sa couleur \u00e9clatante, son excellente r\u00e9sistance aux intemp\u00e9ries et sa stabilit\u00e9 chimique, il joue un r\u00f4le essentiel dans des secteurs aussi vari\u00e9s que la construction, les rev\u00eatements, les plastiques et le caoutchouc.<\/p>\n\n\n\n<p>Que vous soyez un ing\u00e9nieur chimiste \u00e0 la recherche de sp\u00e9cifications techniques ou un responsable des achats de mati\u00e8res premi\u00e8res, ce guide couvre tout ce que vous devez savoir sur l&#039;oxyde de fer jaune, de sa structure chimique \u00e0 ses applications industrielles.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Qu&#039;est-ce que l&#039;oxyde de fer jaune\u00a0? (D\u00e9finition et chimie)<\/h2>\n\n\n\n<p>Chimiquement, l&#039;oxyde de fer jaune est un oxyde ferrique hydrat\u00e9 de formule <strong>Fe2O3\u00b7H2O<\/strong> (parfois \u00e9crit FeOOH). Dans l&#039;industrie des pigments, il est couramment appel\u00e9 <strong>Pigment jaune 42 (PY42)<\/strong>.<\/p>\n\n\n\n<p>Contrairement aux ocres naturelles, l&#039;oxyde de fer jaune synth\u00e9tique utilis\u00e9 dans l&#039;industrie moderne est fabriqu\u00e9 pour avoir une puret\u00e9 \u00e9lev\u00e9e, une granulom\u00e9trie uniforme et une intensit\u00e9 de couleur constante.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Identit\u00e9 chimique cl\u00e9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nom chimique<\/strong>: Oxyde de fer (III) monohydrat\u00e9<\/li>\n\n\n\n<li><strong>Nom commun<\/strong>: Oxyde de fer jaune<\/li>\n\n\n\n<li><strong>Num\u00e9ro CAS<\/strong>: 51274-00-1<\/li>\n\n\n\n<li><strong>Num\u00e9ro EINECS<\/strong>: 257-098-5<\/li>\n\n\n\n<li><strong>Formule mol\u00e9culaire<\/strong>: Fe2O3\u00b7H2O \/ \u03b1-FeOOH<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. Propri\u00e9t\u00e9s physiques et chimiques<\/h2>\n\n\n\n<p>Pourquoi ce pigment est-il si populaire\u00a0? Gr\u00e2ce \u00e0 sa stabilit\u00e9. L\u2019oxyde de fer jaune est non toxique, ne d\u00e9teint pas et r\u00e9siste aux alcalis et aux acides faibles. Il est totalement insoluble dans l\u2019eau et les solvants organiques.<\/p>\n\n\n\n<p>Vous trouverez ci-dessous une fiche technique type pour l&#039;oxyde de fer jaune de qualit\u00e9 industrielle standard\u00a0:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Propri\u00e9t\u00e9<\/strong><\/td><td><strong>Valeur typique<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Apparence<\/strong><\/td><td>Poudre jaune fine<\/td><\/tr><tr><td><strong>Teneur en Fe2O3<\/strong><\/td><td>\u2265 86%<\/td><\/tr><tr><td><strong>Absorption d&#039;huile<\/strong><\/td><td>25-35 ml\/100 g<\/td><\/tr><tr><td><strong>R\u00e9sidus sur 325 mesh<\/strong><\/td><td>\u2264 0,3%<\/td><\/tr><tr><td><strong>Humidit\u00e9 (volatile \u00e0 105 \u00b0C)<\/strong><\/td><td>\u2264 1,0%<\/td><\/tr><tr><td><strong>valeur du pH<\/strong><\/td><td>3,5 \u2013 7,0<\/td><\/tr><tr><td><strong>R\u00e9sistance \u00e0 la chaleur<\/strong><\/td><td>Jusqu&#039;\u00e0 180 \u00b0C (356 \u00b0F)<\/td><\/tr><tr><td><strong>R\u00e9sistance \u00e0 la lumi\u00e8re<\/strong><\/td><td>Niveau 7-8 (Excellent)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><em>Remarque : Les valeurs sp\u00e9cifiques peuvent varier l\u00e9g\u00e8rement en fonction du fabricant et de la qualit\u00e9 sp\u00e9cifique.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Comment fabrique-t-on l&#039;oxyde de fer jaune ?<\/h2>\n\n\n\n<p>Bien que des gisements naturels existent, la demande industrielle est satisfaite par une production synth\u00e9tique afin de garantir une qualit\u00e9 constante.<\/p>\n\n\n\n<p>La m\u00e9thode de fabrication la plus courante est la <strong>Processus de pr\u00e9cipitation<\/strong> (Souvent par le biais du proc\u00e9d\u00e9 Penniman-Zoph). Ce proc\u00e9d\u00e9 consiste en l&#039;oxydation de sels de fer et de fer m\u00e9tallique en milieu acide. En contr\u00f4lant pr\u00e9cis\u00e9ment la temp\u00e9rature de r\u00e9action, le pH et la vitesse d&#039;oxydation, les fabricants peuvent ajuster la granulom\u00e9trie, ce qui influe directement sur la teinte jaune (allant d&#039;un jaune citron p\u00e2le \u00e0 un jaune orang\u00e9 fonc\u00e9).<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Apprendre encore plus:<\/strong> Pour une analyse d\u00e9taill\u00e9e de la synth\u00e8se et des r\u00e9actions chimiques, consultez notre \u00e9tude approfondie sur <strong><a href=\"https:\/\/rawchemicalmart.com\/fr\/comment-fabriquer-de-loxyde-de-fer-jaune\/\">Comment fabriquer de l&#039;oxyde de fer jaune<\/a><\/strong><\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">4. Qualit\u00e9s industrielles\u00a0: Sp\u00e9cifications des poudres<\/h2>\n\n\n\n<p>Tous les oxydes de fer jaunes ne se valent pas. Selon l&#039;application finale, il est n\u00e9cessaire de choisir la qualit\u00e9 appropri\u00e9e. Cette section remplace un guide distinct sur les \u201c\u00a0poudres industrielles\u00a0\u201d en pr\u00e9sentant ici les principales cat\u00e9gories.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">A. Qualit\u00e9 peinture et rev\u00eatement (micronis\u00e9)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Caract\u00e9ristiques<\/strong>Taille des particules ultrafine, dispersibilit\u00e9 \u00e9lev\u00e9e et pouvoir colorant \u00e9lev\u00e9.<\/li>\n\n\n\n<li><strong>Pourquoi l&#039;utiliser ?<\/strong>Il emp\u00eache la floculation (formation de grumeaux) dans les peintures liquides et offre une finition lisse et brillante.<\/li>\n\n\n\n<li><strong>Taille des mailles<\/strong>: Passe souvent \u00e0 travers des tamis beaucoup plus fins que 325 mesh.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">B. Qualit\u00e9 de construction (Norme)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Caract\u00e9ristiques<\/strong>: \u00c9conomique, dot\u00e9 d&#039;un fort pouvoir colorant et d&#039;une excellente r\u00e9sistance aux alcalis.<\/li>\n\n\n\n<li><strong>Pourquoi l&#039;utiliser ?<\/strong>Il doit r\u00e9sister \u00e0 l&#039;environnement fortement alcalin du ciment et du b\u00e9ton sans se d\u00e9colorer.<\/li>\n\n\n\n<li><strong>Application<\/strong>Pav\u00e9s, tuiles et stuc.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C. Qualit\u00e9 r\u00e9sistante \u00e0 la chaleur<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Caract\u00e9ristiques<\/strong>Sp\u00e9cialement trait\u00e9s (souvent encapsul\u00e9s) pour r\u00e9sister \u00e0 des temp\u00e9ratures plus \u00e9lev\u00e9es.<\/li>\n\n\n\n<li><strong>Limitation<\/strong>L&#039;oxyde de fer jaune standard commence \u00e0 se d\u00e9shydrater et \u00e0 devenir rouge (se transformant en oxyde de fer rouge) \u00e0 environ 180 \u00b0C.<\/li>\n\n\n\n<li><strong>Pourquoi l&#039;utiliser ?<\/strong>: N\u00e9cessaire pour les m\u00e9langes-ma\u00eetres de plastique (PE, PP) transform\u00e9s \u00e0 haute temp\u00e9rature.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. Principales applications et utilisations<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Rev\u00eatements et peintures<\/h3>\n\n\n\n<p>Il s&#039;agit de l&#039;un des plus importants march\u00e9s pour l&#039;oxyde de fer jaune. Il est utilis\u00e9 dans\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Peintures architecturales<\/strong>Peintures murales ext\u00e9rieures et int\u00e9rieures.<\/li>\n\n\n\n<li><strong>Rev\u00eatements industriels<\/strong>: Appr\u00eats antirouille (en raison de leur inertie chimique).<\/li>\n\n\n\n<li><strong>Rev\u00eatements en poudre<\/strong>: Offre une couleur durable pour la finition des m\u00e9taux.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Mat\u00e9riaux de construction<\/h3>\n\n\n\n<p>L&#039;oxyde de fer, chimiquement inerte et stable aux UV, est le pigment de r\u00e9f\u00e9rence pour la coloration du b\u00e9ton. Il est largement utilis\u00e9 dans\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Briques et pav\u00e9s autobloquants.<\/li>\n\n\n\n<li>Sols en b\u00e9ton color\u00e9.<\/li>\n\n\n\n<li>Tuiles de toiture.<\/li>\n\n\n\n<li>Marbre artificiel et terrazzo.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Plastiques et caoutchouc<\/h3>\n\n\n\n<p>Il est utilis\u00e9 comme colorant dans les produits en plastique, leur conf\u00e9rant une bonne opacit\u00e9 et une protection contre la lumi\u00e8re. On le trouve couramment dans les m\u00e9langes-ma\u00eetres pour les mat\u00e9riaux d&#039;emballage, les rev\u00eatements de vinyle et les sols en caoutchouc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. S\u00e9curit\u00e9, manutention et stockage<\/h2>\n\n\n\n<p>L&#039;oxyde de fer jaune est g\u00e9n\u00e9ralement consid\u00e9r\u00e9 comme s\u00fbr et non toxique. Cependant, comme pour toute poudre industrielle fine, une manipulation appropri\u00e9e est essentielle pour \u00e9viter l&#039;inhalation de poussi\u00e8res.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>EPI<\/strong>Les travailleurs doivent utiliser des masques anti-poussi\u00e8re et des lunettes de s\u00e9curit\u00e9.<\/li>\n\n\n\n<li><strong>Stockage<\/strong>Conserver dans un endroit frais et sec, \u00e0 l&#039;abri de l&#039;humidit\u00e9. Bien refermer les sachets apr\u00e8s chaque utilisation.<\/li>\n\n\n\n<li><strong>Dur\u00e9e de conservation<\/strong>: Lorsqu&#039;il est stock\u00e9 correctement, il a une dur\u00e9e de conservation ind\u00e9finie, bien que 2 \u00e0 3 ans soient la recommandation standard pour une performance de dispersion optimale.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>La s\u00e9curit\u00e9 avant tout :<\/strong> Pour des donn\u00e9es d\u00e9taill\u00e9es sur la toxicit\u00e9 et les protocoles de manipulation, veuillez consulter notre article sur <strong><a href=\"https:\/\/rawchemicalmart.com\/fr\/securite-de-loxyde-de-fer-jaune\/\">S\u00e9curit\u00e9 de l&#039;oxyde de fer jaune<\/a><\/strong>.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>L&#039;oxyde de fer jaune est un pigment indispensable \u00e0 l&#039;industrie moderne, alliant performance et rentabilit\u00e9. Que vous formuliez un nouveau rev\u00eatement r\u00e9sistant aux UV ou fabriquiez des pav\u00e9s en b\u00e9ton color\u00e9, la compr\u00e9hension des propri\u00e9t\u00e9s et des qualit\u00e9s de ce mat\u00e9riau est essentielle \u00e0 la r\u00e9ussite de votre produit.<\/p>\n\n\n\n<p><strong>Vous recherchez de l&#039;oxyde de fer jaune de haute qualit\u00e9 ?<\/strong> Contactez-nous d\u00e8s aujourd&#039;hui pour obtenir un devis ou un \u00e9chantillon de nos pigments de qualit\u00e9 industrielle.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p class=\"tmnf_excerpt\">Guide complet sur l&#039;oxyde de fer jaune (CAS 51274-00-1). D\u00e9couvrez ses propri\u00e9t\u00e9s chimiques, son proc\u00e9d\u00e9 de fabrication, ses qualit\u00e9s de poudre industrielle et ses applications dans les rev\u00eatements et la construction.\n<\/p>","protected":false},"author":3,"featured_media":12349,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62],"tags":[],"class_list":["post-12354","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iron-oxide-pigment"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is Yellow Iron Oxide? Properties, Uses &amp; Grades (2026 Guide)<\/title>\n<meta name=\"description\" content=\"Comprehensive guide to Yellow Iron Oxide (CAS 51274-00-1). 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