{"product_id":"natriumthiosulfat-frei-czda-50g","title":"Sodium Thiosulfate Free CZDA 50g","description":"\u003cp\u003e\u003cstrong\u003eSodium thiosulfate anhydrous CZDA (Na2S2O3)\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 name: Sodium thiosulfate anhydrous\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eChemical formula: Na2S2O3\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCAS number: 7772-98-7\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eEC number: 231-867-5\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMolar mass: 158.10 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePhysical state: Solid, crystalline powder\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eColor: white or colorless\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eOdor: odorless\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003epH (50 g\/l H2O, 20°C): approx. 6.5 - 8.0\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMelting point: approx. 48 °C (decomposes)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eBoiling point: not applicable (decomposes)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAuto-ignition temperature: not applicable\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: not available\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensity: approx. 1.67 g\/cm³ (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubility in water: readily soluble\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubility in organic solvents: practically insoluble\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLog P (O\/W): very low, hydrophilic substance\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePurity: 99.5 - 100.5 % (CZDA - pure for analysis)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan\u003eImpurities\u003c\/span\u003e:    \u003cul\u003e\n      \u003cli\u003eWater-insoluble substances: max. 0.005 %\u003c\/li\u003e\n      \u003cli\u003eTotal nitrogen (N): max. 0.002 %.\u003c\/li\u003e\n      \u003cli\u003eChloride (Cl): max. 0.01 %.\u003c\/li\u003e\n      \u003cli\u003eSulfate and sulfites (SO4): max. 0.05 %.\u003c\/li\u003e\n      \u003cli\u003eSulfides (S): max. 0.0001 %.\u003c\/li\u003e\n      \u003cli\u003eHeavy metals (Pb): max. 0.0005 %.\u003c\/li\u003e\n      \u003cli\u003eMagnesium (Mg): max. 0.001%.\u003c\/li\u003e\n      \u003cli\u003ePotassium (K): max. 0.005%.\u003c\/li\u003e\n      \u003cli\u003eCalcium (Ca): max. 0.002%.\u003c\/li\u003e\n      \u003cli\u003eIron (Fe): max. 0.0005 %\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eProduct Code: CHEM-118095507\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eExamples of professional applications in various industries:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalytical laboratories:\u003c\/strong\u003e Use as a titration reagent in iodometric and redox methods.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality control:\u003c\/strong\u003e Preparation and standardization of high-purity standard solutions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhotographic industry:\u003c\/strong\u003e Component of photographic fixers by binding silver ions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental research\u003c\/strong\u003e: Use in water and gas analysis.\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\u003eNot applicable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"font-weight: bold;\"\u003e\u003cstrong\u003eSafety information on the product label:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNot applicable.\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\u003eKeep in a tightly closed container.\u003c\/li\u003e\n  \u003cli\u003eProtect from moisture and carbon dioxide (weather-sensitive substance).\u003c\/li\u003e\n  \u003cli\u003eStore in a dry, cool, and well-ventilated place.\u003c\/li\u003e\n  \u003cli\u003eAvoid contact with strong oxidizing agents and acids.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55537957765468,"sku":"CHEM-118095507-50g","price":17.98,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/3a5823ef97348853aff9171b6873801d.jpg?v=1758553042","url":"https:\/\/biolaboratoriuhot.com\/en\/products\/natriumthiosulfat-frei-czda-50g","provider":"Biolaboratorium","version":"1.0","type":"link"}