{"id":106510,"date":"2026-06-29T09:56:12","date_gmt":"2026-06-29T09:56:12","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/fact\/123-trichloropropane\/"},"modified":"2026-06-29T09:56:12","modified_gmt":"2026-06-29T09:56:12","slug":"123-trichloropropane","status":"publish","type":"fact","link":"https:\/\/stopcarcinogensatwork.eu\/fr\/fact\/123-trichloropropane\/","title":{"rendered":"1,2,3-trichloropropane"},"content":{"rendered":"<blockquote><p>Il n&rsquo;existe pas d&rsquo;estimations concernant le nombre actuel de travailleurs expos\u00e9s au 1,2,3-trichloropropane (1,2,3-TPC) dans l&rsquo;UE. L&rsquo;inhalation est consid\u00e9r\u00e9e comme la principale voie d&rsquo;exposition, bien que les travailleurs puissent \u00e9galement \u00eatre expos\u00e9s par contact cutan\u00e9. <\/p><\/blockquote>\n<p>Le 1,2,3-TPC est class\u00e9 comme substance canc\u00e9rog\u00e8ne de cat\u00e9gorie 1B (conform\u00e9ment au r\u00e8glement CLP), ce qui signifie qu&rsquo;il est pr\u00e9sum\u00e9 pr\u00e9senter un potentiel canc\u00e9rog\u00e8ne pour l&rsquo;homme, sur la base de donn\u00e9es issues d&rsquo;\u00e9tudes animales.<\/p>\n<p>Il n&rsquo;existe aucune donn\u00e9e chez l&rsquo;homme permettant de d\u00e9terminer si le 1,2,3-TCP est canc\u00e9rig\u00e8ne pour l&rsquo;\u00eatre humain. Des \u00e9tudes men\u00e9es chez l&rsquo;animal montrent qu&rsquo;une exposition prolong\u00e9e \u00e0 cette substance peut provoquer l&rsquo;apparition de tumeurs \u00e0 divers endroits, notamment dans la cavit\u00e9 buccale et le pr\u00e9estomac. <\/p>\n<h2>O\u00f9 se situent les risques ?<\/h2>\n<p>Le 1,2,3-TPC est principalement utilis\u00e9 comme monom\u00e8re dans la fabrication de polym\u00e8res ou comme interm\u00e9diaire dans la production d\u2019autres substances (Pesticides, 2,3-dichloroprop\u00e8ne, polysulfures et hexafluoropropyl\u00e8ne). Le 1,2,3-TPC peut subsister sous forme d\u2019impuret\u00e9 dans certains de ces produits chimiques. Le 1,2,3-TPC est produit en quantit\u00e9s importantes en tant que sous-produit lors de la fabrication de l\u2019Epichlorhydrine, lorsque du chlore est ajout\u00e9 au chlorure d\u2019allyle. Ce proc\u00e9d\u00e9 se d\u00e9roule dans des syst\u00e8mes ferm\u00e9s.<br \/>\nEn g\u00e9n\u00e9ral, l\u2019exposition sur le lieu de travail semble limit\u00e9e, car la manipulation s\u2019effectue dans des conditions strictement contr\u00f4l\u00e9es. Les principales activit\u00e9s pouvant entra\u00eener une exposition sont les op\u00e9rations manuelles d\u2019entretien ou de nettoyage.    <\/p>\n<h2>En savoir plus sur la substance<\/h2>\n<p>Sous sa forme pure, le 1,2,3-TPC est un liquide incolore \u00e0 jaune, peu soluble dans l\u2019eau, d\u00e9gageant une forte odeur semblable \u00e0 celle du chloroforme, pr\u00e9sentant une volatilit\u00e9 mod\u00e9r\u00e9e et une inflammabilit\u00e9 \u00e9lev\u00e9e. Il s\u2019agit d\u2019un produit chimique de synth\u00e8se, pr\u00e9sent dans l\u2019environnement en raison de l\u2019activit\u00e9 humaine.<br \/>\nUne valeur limite d\u2019exposition professionnelle contraignante \u00e0 l\u2019\u00e9chelle de l\u2019Union europ\u00e9enne est actuellement en cours d\u2019\u00e9laboration. <\/p>\n<h2>Dangers pouvant survenir<\/h2>\n<p>Les donn\u00e9es relatives \u00e0 la toxicit\u00e9 aigu\u00eb chez l\u2019homme se limitent \u00e0 un petit nombre de cas cliniques, qui d\u00e9crivent principalement des effets h\u00e9patiques et neurologiques \u00e0 la suite d\u2019une exposition par voie orale ou par inhalation \u00e0 des doses \u00e9lev\u00e9es, mais g\u00e9n\u00e9ralement mal quantifi\u00e9es. L\u2019effet sur la sant\u00e9 le plus pertinent li\u00e9 \u00e0 une exposition chronique au 1,2,3-TCP est la canc\u00e9rog\u00e9nicit\u00e9. Aucune donn\u00e9e n\u2019est disponible chez l\u2019homme. Chez les animaux de laboratoire, le 1,2,3-TCP induit des tumeurs \u00e0 plusieurs endroits et avec une incidence \u00e9lev\u00e9e, tant chez la souris que chez le rat. Le m\u00e9tabolisme du 1,2,3-TCP \u00e9tant qualitativement similaire dans les microsomes humains et ceux des rongeurs, cette substance est consid\u00e9r\u00e9e comme susceptible d\u2019\u00eatre canc\u00e9rog\u00e8ne pour l\u2019homme.    <\/p>\n<h2>Ce que vous pouvez faire<\/h2>\n<p>Sur le lieu de travail, le moyen le plus efficace de pr\u00e9venir l&rsquo;exposition consiste \u00e0 remplacer le 1,2,3-TCP. Lorsque ce remplacement n&rsquo;est pas possible et que l&rsquo;utilisation du 1,2,3-TCP ne peut \u00eatre \u00e9vit\u00e9e, des mesures visant \u00e0 r\u00e9duire l&rsquo;exposition doivent \u00eatre prises. <\/p>\n<p>Le moyen le plus efficace d&rsquo;\u00e9viter toute exposition au 1,2,3-TCP consiste \u00e0 mettre au point et \u00e0 utiliser des syst\u00e8mes ferm\u00e9s. Lorsque cela n&rsquo;est pas possible, il convient de mettre en \u0153uvre des mesures techniques, telles qu&rsquo;une ventilation par aspiration locale efficace, compl\u00e9t\u00e9e par une bonne ventilation g\u00e9n\u00e9rale du lieu de travail et des contr\u00f4les r\u00e9guliers de leur efficacit\u00e9, afin de garantir que l&rsquo;exposition soit r\u00e9duite au minimum dans la mesure o\u00f9 cela est techniquement possible. <\/p>\n<p>Mettez en place des \u00e9valuations r\u00e9guli\u00e8res de l&rsquo;exposition afin de v\u00e9rifier si les mesures de protection mises en place sont efficaces ou si des mesures suppl\u00e9mentaires doivent \u00eatre prises. Les travailleurs doivent \u00eatre inform\u00e9s des effets de l&rsquo;exposition et b\u00e9n\u00e9ficier r\u00e9guli\u00e8rement d&rsquo;une formation sur les mesures de contr\u00f4le n\u00e9cessaires pour travailler en toute s\u00e9curit\u00e9 avec le 1,2,3-TCP afin de pr\u00e9venir toute exposition. Il est recommand\u00e9 de faire appel \u00e0 un m\u00e9decin du travail.  <\/p>\n<p>Veillez \u00e0 ce que les travailleurs disposent d&rsquo;un \u00e9quipement de protection individuelle ad\u00e9quat, tel que des v\u00eatements de protection et des gants, si n\u00e9cessaire. L&rsquo;\u00e9quipement de protection individuelle ne doit pas \u00eatre utilis\u00e9 comme seule mesure pr\u00e9ventive. Il convient de mettre en \u0153uvre au pr\u00e9alable le plus grand nombre possible des mesures techniques et organisationnelles susmentionn\u00e9es. Veillez \u00e0 ce que l&rsquo;\u00e9quipement de protection individuelle appropri\u00e9 soit utilis\u00e9, comme des protections pour les yeux et le visage, des gants, des v\u00eatements de protection et des protections respiratoires. De plus, lors du choix de l&rsquo;\u00e9quipement, il convient de tenir compte de l&rsquo;anatomie des travailleurs qui l&rsquo;utiliseront et, dans le cas d&rsquo;\u00e9quipements de protection respiratoire reposant sur un ajustement facial, il est fortement recommand\u00e9 de proc\u00e9der \u00e0 un test d&rsquo;ajustement pour chaque personne. De plus, tous les travailleurs doivent \u00eatre inform\u00e9s de la n\u00e9cessit\u00e9 de se laver les mains correctement avant de prendre une pause ou d&rsquo;entrer dans une autre zone, et de se laver et de changer de v\u00eatements \u00e0 la fin de chaque poste.     <\/p>\n<p>Les \u00e9quipements de protection individuelle ne doivent \u00eatre utilis\u00e9s qu&rsquo;en dernier recours et ne doivent \u00eatre envisag\u00e9s qu&rsquo;\u00e0 titre temporaire, une fois que toutes les solutions techniques possibles ont \u00e9t\u00e9 \u00e9puis\u00e9es.<\/p>\n<p><em>R\u00e9f\u00e9rences : ECHA<\/em><\/p>\n","protected":false},"template":"","carcinogens":[8627],"class_list":["post-106510","fact","type-fact","status-publish","hentry","carcinogens-123-trichloropropane"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>1,2,3-trichloropropane - STOP carcinogens at work<\/title>\n<meta name=\"description\" content=\"Be aware of what you work with! 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