{"product_id":"acetaldehyd-czda-250ml","title":"Acetaldeído CZDA 250ml","description":"\u003ch1\u003eAcetaldeído CH₃CHO p.d.a. - 99,5% | CHEM*421002709\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eAcetaldeído\u003c\/strong\u003e, também conhecido como \u003cstrong\u003eAcetaldeído\u003c\/strong\u003e ou \u003cstrong\u003eEtanal\u003c\/strong\u003e, é um líquido incolor com odor pungente, utilizado como reagente químico e como intermediário em síntese orgânica. O produto tem uma pureza mínima de 99,5% (p.d.a. - puro para análise) e cumpre elevados requisitos de qualidade.\u003c\/p\u003e\n\n\u003ch2\u003eDados de identificação\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesignação química:\u003c\/strong\u003e Acetaldeído\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSinónimos:\u003c\/strong\u003e Acetaldeído, Etanal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFórmula química:\u003c\/strong\u003e CH₃CHO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMassa molar:\u003c\/strong\u003e 44,05 g\/mol\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNúmero CAS:\u003c\/strong\u003e 75-07-0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNúmero CE (EINECS):\u003c\/strong\u003e 200-836-8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNúmero de catálogo:\u003c\/strong\u003e CHEM*421002709\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePropriedades físicas e químicas\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEstado:\u003c\/strong\u003e líquido\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCor:\u003c\/strong\u003e incolor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOdor:\u003c\/strong\u003e pungente\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003epH (10 g\/l em H₂O, 20°C):\u003c\/strong\u003e aprox. 5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePonto de fusão:\u003c\/strong\u003e -123°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePonto de ebulição:\u003c\/strong\u003e 21°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePonto de inflamação:\u003c\/strong\u003e -20°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperatura de autoignição:\u003c\/strong\u003e 140°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLimites de explosividade:\u003c\/strong\u003e 4-57% vol.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressão de vapor (20°C):\u003c\/strong\u003e 1007 mbar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDensidade (20°C):\u003c\/strong\u003e 0,785 g\/cm³\u003c\/li\u003e\n  \u003cli\u003eSolubilidade\u003cstrong\u003e:\u003c\/strong\u003e solúvel em água; solúvel em etanol\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eÍndice de refração (20°C):\u003c\/strong\u003e 1,332\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eViscosidade (20°C):\u003c\/strong\u003e 0,21 mPa-s\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEspecificação qualitativa\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTeor (GC):\u003c\/strong\u003e mín. 99,5%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResíduo após evaporação:\u003c\/strong\u003e máx. 0,005%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChumbo (Pb):\u003c\/strong\u003e máx. 0,0005%\u003cstrong\u003eChumbo (Pb):\u003c\/strong\u003e máx. 0,0005%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFerro (Fe):\u003c\/strong\u003e máx. 0,0005%\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eClassificação de transporte\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRID\/ADR:\u003c\/strong\u003e Classe 3, Grupo de embalagem I\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eONU:\u003c\/strong\u003e 1089\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIndicações de perigo (H)\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eH224:\u003c\/strong\u003e Líquido e vapor extremamente inflamáveis\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eH319:\u003c\/strong\u003e Provoca irritação ocular grave\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eH335:\u003c\/strong\u003e Pode irritar as vias respiratórias\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eConselhos de prudência (P)\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP210:\u003c\/strong\u003e Manter afastado do calor\/faíscas\/chama aberta\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP233:\u003c\/strong\u003e Manter o recipiente hermeticamente fechado\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP281:\u003c\/strong\u003e Utilizar equipamento de proteção individual necessário\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP305+P351+P338\u003c\/strong\u003e: Em caso de contacto com os olhos, lavar cuidadosamente com água durante vários minutos\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP308+P313\u003c\/strong\u003e: Em caso de contacto: consultar um especialista\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eO produto destina-se a uso profissional e para fins laboratoriais. Não utilizar em alimentos ou fins cosméticos. Armazenar de acordo com a ficha de dados de segurança.\u003c\/em\u003e\u003c\/p\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55032998461788,"sku":"CHEM-111002700-250ml","price":70.13,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/77728a4801f84d8d582da95082db1909.jpg?v=1752777514","url":"https:\/\/miolaboratorium.com\/pt\/products\/acetaldehyd-czda-250ml","provider":"Biolaboratorium","version":"1.0","type":"link"}