{"product_id":"natriumhydroxid-czda-500g","title":"Hidróxido de Sódio CZDA 500g","description":"\u003cp\u003e\u003cstrong\u003eHidróxido de sódio - sólido (p.a.) (CHEM*118109252)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInformações técnicas sobre reagentes químicos:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eFórmula química: NaOH\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNome inglês: Sodium hydroxide\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSinónimos: Soda cáustica; Hidróxido de sódio\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMassa molar (M): 40,00 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNúmero CAS: 1310-73-2\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNúmero CE (UE): 215-185-5\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNúmero de índice (CLP): 011-002-00-6\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eEspécie: p.a. (puro para análise)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTeor: ≥ 98,8%\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePropriedades físicas e químicas:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eForma - estado físico: sólido, fortemente higroscópico (deliquescente ao ar)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAparência externa: branco, inodoro\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003epH: \u003e 12 (1 M,\u003csub\u003eH2O\u003c\/sub\u003e, 20 °C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePonto de fusão: 324 °C\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePonto de ebulição: 1390 °C\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePonto de fulgor\/Temperatura de autoignição: não aplicável\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLimites de explosão: não aplicável\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePressão de vapor: 1,33 hPa (739 °C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensidade (20 °C): 2,3 g\/cm³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensidade aparente: ~1000 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilidade: em água - 1090 g\/l (20 °C); em solventes orgânicos - álcoois, glicerina\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eEspecificação de qualidade (valores máximos):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eCarbonato de sódio (\u003csub\u003eNa2CO3\u003c\/sub\u003e): ≤ 0,7%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAzoto total (N): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCloreto (Cl): ≤ 0,005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFosfato (\u003csub\u003ePO4\u003c\/sub\u003e): ≤ 0,001%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eÁcido silícico (\u003csub\u003eSiO2\u003c\/sub\u003e): ≤ 0,005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSulfato (\u003csub\u003eSO4\u003c\/sub\u003e): ≤ 0,003%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMetais pesados (como Pb): ≤ 0,001%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eBário (Ba): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eZinco (Zn): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAlumínio (Al): ≤ 0,001%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCádmio (Cd): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCobalto (Co): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMagnésio (Mg): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eManganês (Mn): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCobre (Cu): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNíquel (Ni): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eChumbo (Pb): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePrata (Ag): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eEstrôncio (Sr): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCálcio (Ca): ≤ 0,001%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFerro (Fe): ≤ 0,0005%\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eClassificação e transporte:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eIndicações de perigo (H): \u003cstrong\u003eH290\u003c\/strong\u003e - Pode causar corrosão de metais; \u003cstrong\u003eH314\u003c\/strong\u003e - Provoca queimaduras graves na pele e lesões oculares graves.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eIndicações de segurança (P): \u003cstrong\u003eP280\u003c\/strong\u003e; \u003cstrong\u003eP301 + P330 + P331\u003c\/strong\u003e; \u003cstrong\u003eP305 + P351 + P338\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eUN 1823 - HIDRÓXIDO DE SÓDIO, SÓLIDO; RID\/ADR: Classe 8 (Substâncias corrosivas), Grupo de embalagem II.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eExemplos de aplicações profissionais em várias indústrias:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndústria química:\u003c\/strong\u003e Matéria-prima para sínteses inorgânicas e orgânicas; regulação do pH e neutralização de ácidos.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaboratórios de investigação\/controlo:\u003c\/strong\u003e Reagente para titulações; preparação de soluções alcalinas e tampões.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndústria de papel, têxtil e de superfícies:\u003c\/strong\u003e Processos alcalinos; lavagem e desengorduramento de equipamentos (CIP\/COP) com compatibilidade de materiais.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFormulações técnicas:\u003c\/strong\u003e Componente de produtos de limpeza e preparações de limpeza para aplicações industriais.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eCondições de armazenamento recomendadas:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eArmazenar em recipientes hermeticamente fechados e secos, feitos de materiais quimicamente resistentes (PE\/PP ou aço com proteção adequada).\u003c\/li\u003e\n  \u003cli\u003eProteger da humidade e\u003csub\u003eCO2\u003c\/sub\u003e proteger do ar (formação de \u003csub\u003eNa2CO3\u003c\/sub\u003e, formação de crosta e dissolução).\u003c\/li\u003e\n  \u003cli\u003eManter afastado de ácidos, metais leves e substâncias incompatíveis; evitar contacto com substâncias corrosivas.\u003c\/li\u003e\n  \u003cli\u003eGarantir uma boa ventilação do armazém; utilizar equipamento de proteção individual ao manusear o produto.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55542932603228,"sku":"CHEM-118109252-500g","price":12.72,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/06c31dbab3f81d5e35bda377559a3bc9.jpg?v=1758617176","url":"https:\/\/akjaerkrdxem.shop\/pt\/products\/natriumhydroxid-czda-500g","provider":"Biolaboratorium","version":"1.0","type":"link"}