{"product_id":"natriumsulfid-9hydrat-czda-250g","title":"Sodium Sulfide 9-Hydrate CZDA 250g","description":"\u003cp\u003e\u003cstrong\u003eSodium Sulfide-9-Hydrate (Na₂S - 9H₂O)\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical information about the chemical reagent:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eChemical Formula: Na₂S - 9H₂O\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCAS Number: 1313-84-4\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eEC number: 215-211-5\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMolar mass: 240.18 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePhysical state: solid\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eColor: colorless\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eExternal appearance: deliquescent crystals, slightly hygroscopic\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eOdor: characteristic (of hydrogen sulfide)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003epH value: approx. 12.4 (100 g\/l H₂O, 20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMelting point: approx. 50°C (decomposition)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eBoiling point: no data available\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAuto-ignition temperature: \u003e 480°C\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFlash point: not applicable\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eExplosion limits: not applicable\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eVapor pressure: no data available\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensity: 1.427 g\/cm³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eBulk density: approx. 830 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubility in water: 470 g\/l (10°C), 960 g\/l (50°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubility in organic solvents: slightly soluble in alcohol; insoluble in diethyl ether and noctanol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eContent: min. 98.0 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSulfites and thiosulfates (SO₄): max. 0.1 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAmmonium salts (NH₄): max. 0.005 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eIron (Fe): Trace element, use as directed\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eExamples of professional use in various industries:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaboratories:\u003c\/strong\u003e used as a strong reducing agent in chemical synthesis and laboratory analysis.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical industry:\u003c\/strong\u003e reducing agent used in the synthesis of metal sulfides and in flotation processes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterials industry:\u003c\/strong\u003e for the surface treatment of metals, including the removal of oxides.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOther technical applications:\u003c\/strong\u003e in wastewater treatment processes, neutralization of heavy metal-containing waste.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHazard warnings on the product label:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eH314 - Causes severe skin burns and eye damage.\u003c\/li\u003e\n  \u003cli\u003eH400 - Very toxic to aquatic life.\u003c\/li\u003e\n  \u003cli\u003eEUH031 - Contact with acids liberates toxic gas (H₂S).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eSee product label for safety instructions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eP260 - Do not breathe dust\/fume\/gas\/mist\/vapours\/aerosol.\u003c\/li\u003e\n  \u003cli\u003eP280 - Wear protective gloves\/protective clothing\/eye protection\/face protection.\u003c\/li\u003e\n  \u003cli\u003eP301+P330+P331 - IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.\u003c\/li\u003e\n  \u003cli\u003eP305+P351+P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eRecommended storage conditions:\u003c\/b\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eStore in tightly closed, corrosion-resistant containers.\u003c\/li\u003e\n  \u003cli\u003eStore in a cool, dry, and well-ventilated place.\u003c\/li\u003e\n  \u003cli\u003eProtect from moisture and contact with acids (risk of release of toxic hydrogen sulfide).\u003c\/li\u003e\n  \u003cli\u003eAvoid heat and ignition sources.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55537844519260,"sku":"CHEM-118080005-250g","price":66.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/8bc04fbd25e299e318da30c4549c0b10.jpg?v=1758551595","url":"https:\/\/biolaboratoriuhot.com\/en\/products\/natriumsulfid-9hydrat-czda-250g","provider":"Biolaboratorium","version":"1.0","type":"link"}