{"id":42634,"date":"2023-08-29T10:09:16","date_gmt":"2023-08-29T10:09:16","guid":{"rendered":"https:\/\/stopcarcinogensatwork.eu\/fact\/cloreto-de-vinilo\/"},"modified":"2026-06-13T11:33:36","modified_gmt":"2026-06-13T11:33:36","slug":"cloreto-de-vinilo","status":"publish","type":"fact","link":"https:\/\/stopcarcinogensatwork.eu\/pt-pt\/fact\/cloreto-de-vinilo\/","title":{"rendered":"Cloreto de Vinilo"},"content":{"rendered":"<blockquote><p>N\u00e3o existem estimativas dispon\u00edveis sobre o n\u00famero atual de trabalhadores expostos ao Cloreto de Vinilo na UE. Em 1993, estimava-se que houvesse 40 000 trabalhadores expostos na UE-15. <\/p><\/blockquote>\n<p>A exposi\u00e7\u00e3o ao cloreto de vinilo ocorre principalmente por inala\u00e7\u00e3o. A exposi\u00e7\u00e3o prolongada pode causar cancro no f\u00edgado, no c\u00e9rebro, no sangue e nos pulm\u00f5es.  O Cloreto de Vinilo tem uma classifica\u00e7\u00e3o harmonizada ao abrigo do Regulamento CRE como agente cancer\u00edgeno da categoria 1A, o que significa que pode causar cancro nos seres humanos.<\/p>\n<h2>Onde ocorrem os riscos<\/h2>\n<p>A principal via of exposure to chlorofluorocarbon is by inhalation, which occurs mainly in (poli)vinyl chloride (PVC) factories and in PVC transformation facilities (including packaging, storage and handling of chlorofluorocarbon). Os trabalhadores dos setores de fabrico de qu\u00edmicos industriais, artigos de pl\u00e1stico, fabricados metal e maquinaria est\u00e3o em risco, assim como os trabalhadores que exercem atividades relacionadas com os transportes e a constru\u00e7\u00e3o. <\/p>\n<h2>Mais informa\u00e7\u00f5es sobre a subst\u00e2ncia<\/h2>\n<p>O cloreto de vinilo \u00e9 um g\u00e1s incolor que arde facilmente. Tem um odor suave e doce, mas o odor n\u00e3o \u00e9 um aviso adequado de concentra\u00e7\u00f5es perigosas. N\u00e3o ocorre naturalmente e tem de ser produzido industrialmente para as suas utiliza\u00e7\u00f5es comerciais. O cloreto de vinilo \u00e9 utilizado principalmente para fabricar PVC; o PVC \u00e9 utilizado para fabricar uma variedade de produtos de pl\u00e1stico, incluindo tubos, revestimentos de fios e cabos e materiais de embalagem. O cloreto de vinilo tamb\u00e9m est\u00e1 presente no fumo do tabaco.    <\/p>\n<p>Est\u00e1 em vigor um limite de exposi\u00e7\u00e3o profissional vinculativo da UE de 2,6 mg\/m\u00b3.<\/p>\n<h2>Perigos que podem ocorrer<\/h2>\n<p>A exposi\u00e7\u00e3o aguda ao cloreto de vinilo pode provocar sintomas como fraqueza, tonturas, fadiga, perda de peso, dorm\u00eancia e formigueiro das extremidades, perturba\u00e7\u00f5es visuais e, em casos graves, coma e morte. Pode tamb\u00e9m irritar os olhos, a pele, as membranas mucosas e o trato respirat\u00f3rio. Em n\u00edveis de exposi\u00e7\u00e3o baixos, o corpo \u00e9 capaz de processar o cloreto de vinilo e excret\u00e1-lo na urina. A exposi\u00e7\u00e3o cr\u00f3nica pode causar danos permanentes no f\u00edgado e cancro do f\u00edgado, sintomas neurol\u00f3gicos ou comportamentais e altera\u00e7\u00f5es na pele e nos ossos da m\u00e3o.   <\/p>\n<p><strong>O per\u00edodo de lat\u00eancia entre a exposi\u00e7\u00e3o e os cancros associados ao Cloreto de Vinilo varia bastante consoante os diferentes tipos de cancro.<\/strong><\/p>\n<h2>O que podes fazer<\/h2>\n<p>A forma mais eficaz de evitar a exposi\u00e7\u00e3o \u00e9 substitu\u00ed-los por produtos isentos de cloreto de vinilo ou com baixo teor de \u00f3xido de vinilo. Se os produtos que cont\u00eam cloreto de vinilo n\u00e3o puderem ser substitu\u00eddos, a exposi\u00e7\u00e3o ao cloreto de vinilo deve ser reduzida atrav\u00e9s de controlos de engenharia, por exemplo, sistemas fechados. Se tal n\u00e3o for poss\u00edvel, instalar sistemas de ventila\u00e7\u00e3o que n\u00e3o provoquem fa\u00edscas e providenciar um lava-olhos e um chuveiro de seguran\u00e7a se existir o perigo de contacto ou de salpicos. Efetuar periodicamente medi\u00e7\u00f5es representativas da exposi\u00e7\u00e3o para se saber quando e onde se deve atuar.     <\/p>\n<p>Mant\u00e9m os trabalhadores sempre a par dos efeitos da exposi\u00e7\u00e3o e incentiva-os a comunicar os primeiros sintomas. Al\u00e9m disso, d\u00e1 forma\u00e7\u00e3o aos trabalhadores sobre os riscos, as pr\u00e1ticas de trabalho seguras e as medidas de higiene eficazes. O equipamento de prote\u00e7\u00e3o individual (EPI) s\u00f3 deve ser usado como \u00faltimo recurso, depois de implementadas as poss\u00edveis solu\u00e7\u00f5es de engenharia. O EPI inclui \u00f3culos de prote\u00e7\u00e3o, vestu\u00e1rio resistente a produtos qu\u00edmicos e luvas (resistentes a produtos qu\u00edmicos ou isolantes) e m\u00e1scaras respirat\u00f3rias.   <\/p>\n<p><em>Refer\u00eancias: cancer.gov, OSHA, IARC, CDC<\/em><\/p>\n","protected":false},"template":"","carcinogens":[1752],"class_list":["post-42634","fact","type-fact","status-publish","hentry","carcinogens-cloreto-de-vinilo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Cloreto de Vinilo - STOP carcinogens at work<\/title>\n<meta name=\"description\" content=\"A exposi\u00e7\u00e3o ao cloreto de vinilo ocorre principalmente por inala\u00e7\u00e3o. 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