{"product_id":"natriumhydroxid-cz-100g","title":"Hidróxido de Sódio CZ 100g","description":"\u003cp\u003e\u003cstrong\u003eHidróxido de sódio - sólido (Parte) (CHEM*428109251)\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 em 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 (EC): 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: Puro (ph)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTeor: ≥ 98,0%\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\u003eValor de pH: \u0026gt; 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 explosividade: 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): ≤ 1,0%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAzoto total (N): ≤ 0,0007%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCloretos (Cl): ≤ 0,015%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFosfatos (\u003csub\u003ePO4\u003c\/sub\u003e): ≤ 0,002%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eÁcido silícico (\u003csub\u003eSiO2\u003c\/sub\u003e): ≤ 0,008%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSulfatos (\u003csub\u003eSO4\u003c\/sub\u003e): ≤ 0,005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMetais pesados (como Pb): ≤ 0,002%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAlumínio (Al): ≤ 0,002%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCálcio (Ca): ≤ 0,005%\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFerro (Fe): ≤ 0,0015%\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eClassificação de transporte:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eUN 1823 - HIDRÓXIDO DE SÓDIO, SÓLIDO\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eRID\/ADR: Classe 8 (substâncias corrosivas), Grupo de embalagem II\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eExemplos de aplicações profissionais em vários setores:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndústria química:\u003c\/strong\u003e Matéria-prima para sínteses, regulação de pH, neutralização de ácidos.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaboratórios de investigação e controlo:\u003c\/strong\u003e Reagente para titulações e preparação de soluções alcalinas.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndústria de papel, têxtil e de superfícies:\u003c\/strong\u003e Processos alcalinos, instalações de desengorduramento e lavagem (CIP\/COP).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFormulações técnicas:\u003c\/strong\u003e Componente de detergentes e preparações de limpeza para aplicações industriais.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIndicações de perigo (H):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\n \u003cspan\u003e\u003cstrong\u003eH290:\u003c\/strong\u003e Pode ser corrosivo para os metais.\u003c\/span\u003e\u003cbr\u003e\n \u003cspan\u003e\u003cstrong\u003eH314:\u003c\/strong\u003e Provoca queimaduras graves na pele e lesões oculares graves.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eConselhos de prudência (P):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\n \u003cstrong\u003eP280:\u003c\/strong\u003e Usar luvas de proteção\/vestuário de proteção\/proteção ocular\/proteção facial.\u003cbr\u003e\n \u003cstrong\u003eP301 + P330 + P331:\u003c\/strong\u003e EM CASO DE INGESTÃO: Lavar a boca. NÃO provocar o vómito.\u003cbr\u003e\n \u003cstrong\u003eP305 + P351 + P338:\u003c\/strong\u003e EM CASO DE CONTACTO COM OS OLHOS: Lavar cuidadosamente com água durante vários minutos; se possível, remover as lentes de contacto; continuar a lavar.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eCondições de armazenamento recomendadas:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eArmazenar em recipientes secos e bem fechados, de material quimicamente resistente (preferencialmente PE\/PP).\u003c\/li\u003e\n  \u003cli\u003eProteger da humidade e do\u003csub\u003eCO2\u003c\/sub\u003e do ar \u003csub\u003e(formação de Na2CO3\u003c\/sub\u003e, empedramento e dissolução).\u003c\/li\u003e\n  \u003cli\u003eArmazenar separado de ácidos, metais leves e substâncias incompatíveis; evitar contacto com substâncias corrosivas.\u003c\/li\u003e\n  \u003cli\u003eGarantir boa ventilação do local de armazenamento; utilizar equipamento de proteção individual ao manusear o produto.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55542922641756,"sku":"CHEM-428109251-100g","price":10.26,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/6899bef80d0db062376bc5f2e76ef757.jpg?v=1758617045","url":"https:\/\/akjaerkrdxem.shop\/pt\/products\/natriumhydroxid-cz-100g","provider":"Biolaboratorium","version":"1.0","type":"link"}