{"id":106545,"date":"2026-06-29T10:02:28","date_gmt":"2026-06-29T10:02:28","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/fact\/12-dicloropropano\/"},"modified":"2026-06-29T10:02:28","modified_gmt":"2026-06-29T10:02:28","slug":"12-dicloropropano","status":"publish","type":"fact","link":"https:\/\/stopcarcinogensatwork.eu\/pt-pt\/fact\/12-dicloropropano\/","title":{"rendered":"1,2-dicloropropano"},"content":{"rendered":"

N\u00e3o h\u00e1 estimativas dispon\u00edveis sobre o n\u00famero atual de trabalhadores expostos ao 1,2-dicloropropano (1,2-DPC) na UE. A inala\u00e7\u00e3o \u00e9 considerada a principal via de exposi\u00e7\u00e3o, embora os trabalhadores tamb\u00e9m possam ser expostos atrav\u00e9s do contacto cut\u00e2neo. <\/p><\/blockquote>\n

O 1,2-DPC est\u00e1 classificado como agente cancer\u00edgeno da categoria 1B (de acordo com o Regulamento CRE), o que significa que se presume que tenha potencial cancer\u00edgeno para os seres humanos, com base em dados obtidos em animais.<\/p>\n

Os efeitos t\u00f3xicos inclu\u00edram les\u00f5es hep\u00e1ticas e renais, coagula\u00e7\u00e3o intravascular, anemia hemol\u00edtica e v\u00e1rios sintomas do sistema nervoso central.<\/p>\n

Onde ocorrem os riscos<\/h2>\n

O 1,2-DCP \u00e9 um subproduto, produzido em quantidades significativas, durante o processo de fabrico de \u00f3xido de propileno pelo processo de clorohidrina para produzir Epicloridrina. O 1,2-DCP era usado antigamente como fumigante de solo, intermedi\u00e1rio qu\u00edmico e tamb\u00e9m como solvente industrial. Era encontrado em decapantes de tinta, vernizes e produtos para remover acabamentos de m\u00f3veis. J\u00e1 n\u00e3o \u00e9 utilizado como fumigante de solos. <\/p>\n

Atualmente, a sua principal utiliza\u00e7\u00e3o \u00e9 como produto interm\u00e9dio na produ\u00e7\u00e3o de percloroetileno e de outros produtos qu\u00edmicos clorados.
\nEm geral, a exposi\u00e7\u00e3o no local de trabalho parece ser limitada, uma vez que o manuseamento \u00e9 feito em condi\u00e7\u00f5es rigorosamente controladas. A principal atividade em que a exposi\u00e7\u00e3o \u00e9 poss\u00edvel ocorre durante trabalhos manuais de manuten\u00e7\u00e3o ou limpeza. <\/p>\n

Mais informa\u00e7\u00f5es sobre a subst\u00e2ncia<\/h2>\n

Na sua forma pura, o 1,2-DPC \u00e9 um l\u00edquido incolor, inflam\u00e1vel e m\u00f3vel, com um odor semelhante ao do clorof\u00f3rmio. \u00c9 misc\u00edvel com a maioria dos solventes org\u00e2nicos, como \u00e1lcoois, \u00e9steres e cetonas, bem como com hidrocarbonetos arom\u00e1ticos, alif\u00e1ticos e clorados.
\nEst\u00e1 atualmente a ser elaborado um valor-limite de exposi\u00e7\u00e3o profissional vinculativo a n\u00edvel da UE. <\/p>\n

Perigos que podem ocorrer<\/h2>\n

Short-term exposure to 1,2-DCP in humans can cause irritation, as well as liver and kidney dysfunction after oral and skin absorption. In very high concentrations, cases of central nervous system depression have been reported.
\nNo que diz respeito \u00e0 exposi\u00e7\u00e3o a longo prazo, o efeito mais grave nos seres humanos \u00e9 a carcinogenicidade, nomeadamente a ocorr\u00eancia de tumores nos ductos biliares (colangiocarcinoma). <\/p>\n

O que podes fazer<\/h2>\n

No local de trabalho, a forma mais eficaz de prevenir a exposi\u00e7\u00e3o \u00e9 substituir o 1,2-DCP. Quando a substitui\u00e7\u00e3o n\u00e3o for poss\u00edvel e a utiliza\u00e7\u00e3o do 1,2-DCP n\u00e3o puder ser evitada, devem ser tomadas medidas para reduzir a exposi\u00e7\u00e3o.
\nA forma mais eficaz de evitar a exposi\u00e7\u00e3o ao 1,2-DCP \u00e9 desenvolver e utilizar sistemas fechados. Quando isso n\u00e3o for poss\u00edvel, devem ser implementadas medidas t\u00e9cnicas, como uma ventila\u00e7\u00e3o local por exaust\u00e3o eficaz, complementada por uma boa ventila\u00e7\u00e3o geral do local de trabalho e verifica\u00e7\u00f5es regulares da sua efic\u00e1cia, para garantir que a exposi\u00e7\u00e3o seja minimizada tanto quanto tecnicamente poss\u00edvel <\/p>\n

Toda a produ\u00e7\u00e3o de 1,2-DPC decorre em sistemas fechados. A exposi\u00e7\u00e3o ocorre quando esses sistemas fechados s\u00e3o abertos para manuten\u00e7\u00e3o de rotina, inspe\u00e7\u00f5es ou limpeza. Nesses casos, \u00e9 preciso recorrer a medidas t\u00e9cnicas e a EPI, incluindo EPR. <\/p>\n

Implementa medidas para garantir uma higiene geral adequada no local de trabalho, com limpeza regular e armazenamento higi\u00e9nico. Ap\u00f3s a medi\u00e7\u00e3o inicial da exposi\u00e7\u00e3o para a avalia\u00e7\u00e3o de riscos, realiza avalia\u00e7\u00f5es peri\u00f3dicas da exposi\u00e7\u00e3o para verificar se as medidas t\u00e9cnicas em vigor s\u00e3o eficazes ou se \u00e9 preciso tomar outras medidas. Limitar rigorosamente o tempo que os trabalhadores passam em ambientes de trabalho expostos (por exemplo, atrav\u00e9s de turnos) e restringir o acesso a esses locais de trabalho s\u00e3o medidas importantes para reduzir a exposi\u00e7\u00e3o. Os trabalhadores t\u00eam de estar cientes dos poss\u00edveis riscos associados \u00e0s tarefas que envolvem o 1,2-DPC e os empregadores t\u00eam de os formar e instruir regularmente sobre como trabalhar em seguran\u00e7a com o 1,2-DPC. <\/p>\n

\u00c9 necess\u00e1ria uma vigil\u00e2ncia m\u00e9dica para os trabalhadores expostos a subst\u00e2ncias perigosas e, por isso, devem ser incentivados a comunicar sintomas precoces, como problemas respirat\u00f3rios ou alergias cut\u00e2neas.
\nAl\u00e9m disso, d\u00e1 forma\u00e7\u00e3o aos trabalhadores sobre a import\u00e2ncia de uma higiene pessoal eficaz. Disponibiliza instala\u00e7\u00f5es sanit\u00e1rias e de higiene adequadas e d\u00e1 aos trabalhadores tempo suficiente para tomarem medidas de higiene. <\/p>\n

Certifica-te de que os trabalhadores t\u00eam equipamento de prote\u00e7\u00e3o individual adequado, como vestu\u00e1rio de prote\u00e7\u00e3o e luvas, se for preciso. O equipamento de prote\u00e7\u00e3o individual s\u00f3 deve ser usado como \u00faltimo recurso e apenas a t\u00edtulo tempor\u00e1rio, depois de esgotadas todas as poss\u00edveis solu\u00e7\u00f5es t\u00e9cnicas e organizacionais. <\/p>\n

Refer\u00eancias: ECHA, ATSDR 2021<\/em><\/p>\n","protected":false},"template":"","carcinogens":[8650],"class_list":["post-106545","fact","type-fact","status-publish","hentry","carcinogens-12-dicloropropano"],"yoast_head":"\n1,2-dicloropropano - STOP carcinogens at work<\/title>\n<meta name=\"description\" content=\"Be aware of what you work with! We collected all the important information these causing substances in easy-to-understand factsheets.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stopcarcinogensatwork.eu\/pt-pt\/fact\/12-dicloropropano\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1,2-dicloropropano\" \/>\n<meta property=\"og:description\" content=\"Be aware of what you work with! 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