{"id":43926,"date":"2025-11-11T11:16:35","date_gmt":"2025-11-11T10:16:35","guid":{"rendered":"https:\/\/www.oxytec.com\/dimethylformamid-dmf\/"},"modified":"2026-05-27T15:35:10","modified_gmt":"2026-05-27T13:35:10","slug":"dimetilformamida-dmf","status":"publish","type":"post","link":"https:\/\/www.oxytec.com\/pt\/substancias-nocivas\/dimetilformamida-dmf\/","title":{"rendered":"Dimetilformamida (DMF)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[844],"tags":[],"wf_post_folders":[478],"class_list":["post-43926","post","type-post","status-publish","format-standard","hentry","category-schadstoffe"],"acf":{"schadstoff":"Dimetilformamida (DMF)","hauptbild_Schadstoffe":43927,"cas_nr":"68-12-2","strukturformel":"C\u2083H\u2087NO (HCON(CH\u2083)\u2082)","h1_headline":"Remover o dimetilformamida (DMF) do ar de exaust\u00e3o","seitentext_teil_1":"<h4>O que \u00e9 o dimetilformamida?<\/h4>\r\nO dimetilformamida (DMF) \u00e9 um solvente incolor, altamente polar, com um odor fraco semelhante ao das aminas. \u00c9 utilizado principalmente na ind\u00fastria qu\u00edmica para dissolver pol\u00edmeros, pl\u00e1sticos e resinas ou para realizar rea\u00e7\u00f5es qu\u00edmicas em fase homog\u00e9nea. Devido ao seu excelente poder de dissolu\u00e7\u00e3o, o DMF \u00e9 frequentemente utilizado na produ\u00e7\u00e3o de couro sint\u00e9tico, fibras acr\u00edlicas, poliuretanos e na ind\u00fastria farmac\u00eautica.\r\n<h4>Produ\u00e7\u00e3o<\/h4>\r\nO DMF \u00e9 produzido industrialmente principalmente atrav\u00e9s da rea\u00e7\u00e3o da dimetilamina com mon\u00f3xido de carbono na presen\u00e7a de um catalisador. Um m\u00e9todo alternativo de produ\u00e7\u00e3o \u00e9 a rea\u00e7\u00e3o da dimetilamina com derivados do \u00e1cido f\u00f3rmico. Devido \u00e0 sua elevada higroscopicidade, o DMF \u00e9 produzido e armazenado em sistemas fechados para evitar contamina\u00e7\u00e3o por \u00e1gua.\r\n<h4>Identifica\u00e7\u00e3o<\/h4>\r\nO DMF \u00e9 um l\u00edquido l\u00edmpido e incolor com um odor ligeiramente a peixe ou a amina. \u00c9 totalmente misc\u00edvel com \u00e1gua e dissolve muitas subst\u00e2ncias org\u00e2nicas e inorg\u00e2nicas. O DMF \u00e9 termicamente est\u00e1vel, mas reage com oxidantes fortes. Devido \u00e0 sua higroscopicidade, absorve facilmente \u00e1gua do ambiente, o que deve ser tido em conta durante o armazenamento e a utiliza\u00e7\u00e3o.\r\n<h4>Limites<\/h4>\r\nO valor-limite de exposi\u00e7\u00e3o no local de trabalho (AGW) para o DMF na UE \u00e9 de 5 ppm (15 mg\/m\u00b3) como m\u00e9dia ponderada no tempo ao longo de oito horas. Devido ao seu efeito t\u00f3xico, o DMF \u00e9 classificado como t\u00f3xico para a reprodu\u00e7\u00e3o da categoria 1B. A exposi\u00e7\u00e3o deve, portanto, ser mantida t\u00e3o baixa quanto poss\u00edvel, e devem ser respeitadas medidas rigorosas de seguran\u00e7a no trabalho.\r\n<h4>Riscos<\/h4>\r\nO DMF pode ser absorvido pelo organismo atrav\u00e9s da pele, das vias respirat\u00f3rias e do trato gastrointestinal. Tem um efeito irritante nos olhos e na pele e pode causar danos no f\u00edgado e nos rins em caso de exposi\u00e7\u00e3o cr\u00f3nica. Al\u00e9m disso, existe um risco de danos fetais em mulheres gr\u00e1vidas. No ambiente, o DMF \u00e9 biodegrad\u00e1vel, mas pode causar danos aos organismos aqu\u00e1ticos em concentra\u00e7\u00f5es elevadas.","bild_anwendung":"","bild-unterschrift":"Legenda da imagem","seitentext_teil_2":"<h4><strong>Tecnologias alternativas\u00a0<\/strong><\/h4>\r\nOutras tecnologias, como os filtros de carv\u00e3o ativado convencionais e os sistemas de ventila\u00e7\u00e3o simples, apresentam frequentemente desvantagens como elevado consumo de energia, capacidade de purifica\u00e7\u00e3o limitada, grande ocupa\u00e7\u00e3o de espa\u00e7o, longos prazos de implementa\u00e7\u00e3o e elevados custos de investimento.\r\n<h4><strong>Vantagens da solu\u00e7\u00e3o oxytec\u00a0<\/strong><\/h4>\r\n<ul>\r\n \t<li><strong>Constru\u00e7\u00e3o compacta<\/strong>: Ocupa\u00e7\u00e3o de espa\u00e7o reduzida em compara\u00e7\u00e3o com os sistemas tradicionais.<\/li>\r\n \t<li><strong>Amortiza\u00e7\u00e3o r\u00e1pida<\/strong>: Gra\u00e7as aos baixos custos operacionais e \u00e0 elevada efici\u00eancia.<\/li>\r\n \t<li><strong>Respeito pelo ambiente<\/strong>: Impacto ambiental m\u00ednimo gra\u00e7as a tecnologias inovadoras<\/li>\r\n \t<li><strong>Redu\u00e7\u00e3o eficiente do dimetilformamida (DMF)<\/strong>: Elevados graus de purifica\u00e7\u00e3o com consumo energ\u00e9tico m\u00ednimo.<\/li>\r\n<\/ul>"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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