{"product_id":"natriumthiosulfat-5hydrat-czda-250g","title":"Tiossulfato de Sódio Penta-Hidratado CZDA 250g","description":"\u003cp\u003e\u003cstrong\u003ePentahidrato de Tiossulfato de Sódio p.d.a. (Na2S2O3 - 5H2O)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInformações técnicas sobre o reagente químico:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eDesignação química: Pentahidrato de Tiossulfato de Sódio\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFórmula química: Na2S2O3 - 5H2O\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNúmero CAS: 10102-17-7\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNúmero CE: 231-867-5\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMassa molar: 248,18 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eEstado físico: sólido, cristais\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCor: incolor\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAparência externa: cristais incolores\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eOdor: inodoro\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003epH (50 g\/l H2O, 20°C): 6,0 - 7,5\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePonto de fusão: 48 °C (decomposição)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePonto de ebulição: não aplicável\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTemperatura de autoignição: não aplicável\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePonto de inflamação: 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: não disponível\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensidade: 1,73 g\/cm³ (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensidade aparente: aprox. 1000 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilidade em água: aprox. 700 g\/l (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilidade em solventes orgânicos: sem dados\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLog P (O\/W): -4,35 (calculado)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTeor: 99,5 - 100,5 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSubstâncias insolúveis em água: máx. 0,005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAzoto total (N): máx. 0,002 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCloreto (Cl): máx. 0,01 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSulfatos e sulfitos (SO4): máx. 0,05 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSulfuretos (S): máx. 0,0001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMetais pesados (Pb): máx. 0,0005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMagnésio (Mg): máx. 0,001%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePotássio (K): máx. 0,005%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCálcio (Ca): máx. 0,002%.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFerro (Fe): máx. 0,0005 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCódigo do produto: CHEM-118095802\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\u003eLaboratórios analíticos:\u003c\/strong\u003e Reagente em análises iodométricas e na preparação de soluções padrão.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControlo de qualidade:\u003c\/strong\u003e para calibração de métodos analíticos e testes laboratoriais.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndústria fotográfica:\u003c\/strong\u003e Utilização em processos de fixação fotográfica (liga iões de prata).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutros processos de investigação:\u003c\/strong\u003e Agentes quelantes e redutores em química analítica.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eIndicações de perigo no rótulo do produto:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNão aplicável.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eIndicações de segurança no rótulo do produto:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNão aplicável.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eCondições de armazenamento recomendadas:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eManter em recipiente hermeticamente fechado.\u003c\/li\u003e\n  \u003cli\u003eProteger da humidade, luz e calor.\u003c\/li\u003e\n  \u003cli\u003eArmazenar num local fresco, seco e bem ventilado.\u003c\/li\u003e\n  \u003cli\u003eEvitar contaminação e contacto com substâncias oxidantes.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55537951703388,"sku":"CHEM-118095802-250g","price":23.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/7c2af3f4e8369a0030bb929cfaeeb0c7.jpg?v=1758552932","url":"https:\/\/biolaboratoriuhot.com\/pt\/products\/natriumthiosulfat-5hydrat-czda-250g","provider":"Biolaboratorium","version":"1.0","type":"link"}