{"product_id":"kaliumpyrosulfit-cz-50g","title":"Potassium Pyrosulfite CZ 50g","description":"\u003ch1\u003ePotassium pyrosulfite \u003csub\u003e(K2S2O5\u003c\/sub\u003e) - pct.\u003c\/h1\u003e\n\n\u003ch2\u003eTechnical Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical name:\u003c\/strong\u003e Potassium pyrosulfite\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlternative names:\u003c\/strong\u003e Potassium disulfite, Potassium disulfite\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical formula:\u003c\/strong\u003e \u003csub\u003eK2S2O5\u003c\/sub\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMolar mass:\u003c\/strong\u003e 222.33 g\/mol\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCAS number:\u003c\/strong\u003e 16731-55-8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEC number:\u003c\/strong\u003e 240-795-3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm:\u003c\/strong\u003e solid\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor: colorless\/white\u003c\/strong\u003e \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOdor:\u003c\/strong\u003e slightly pungent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003epH value (400 g\/l\u003csub\u003eH2O\u003c\/sub\u003e, 20°C):\u003c\/strong\u003e approx. 3.5-5.0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMelting point:\u003c\/strong\u003e no data available (thermal decomposition \u003e150°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoiling point:\u003c\/strong\u003e not applicable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-ignition temperature:\u003c\/strong\u003e not applicable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlash point:\u003c\/strong\u003e not applicable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExplosion limits:\u003c\/strong\u003e not applicable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVapor pressure:\u003c\/strong\u003e approx. 335 mbar (20°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDensity:\u003c\/strong\u003e 2.34 g\/cm³\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBulk density:\u003c\/strong\u003e 1000-1200 kg\/m³\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolubility in water:\u003c\/strong\u003e 450 g\/l (20°C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolubility in organic solvents:\u003c\/strong\u003e in ethanol - not soluble\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLog\u003csub\u003ePo\/w\u003c\/sub\u003e:\u003c\/strong\u003e -4.0\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e white, crystalline powder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContent:\u003c\/strong\u003e min. 95.0%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater-insoluble substances:\u003c\/strong\u003e max. 0.01%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChlorides (Cl):\u003c\/strong\u003e max. 0.01 %.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy metals (as Pb):\u003c\/strong\u003e max. 0.003%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArsenic (As):\u003c\/strong\u003e max. 0.0001%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIron (Fe):\u003c\/strong\u003e max. 0.001%\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExamples of Professional Applications in Various Industries\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eReducing agent in chemical processes\u003c\/li\u003e\n  \u003cli\u003eReagent in chemical analysis and laboratory research\u003c\/li\u003e\n  \u003cli\u003eComponent of water treatment preparations in laboratories\u003c\/li\u003e\n  \u003cli\u003eAuxiliary reagent in the synthesis of sulfur compounds\u003c\/li\u003e\n  \u003cli\u003eLaboratory agent for deactivating oxidizing agents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHazard Statements (H)\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eH318 - Causes serious eye damage\u003c\/li\u003e\n  \u003cli\u003eH335 - May cause respiratory irritation\u003c\/li\u003e\n  \u003cli\u003eEUH031 - Contact with acids liberates toxic gas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSafety Precautions (P)\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eP280 - Wear protective gloves\/protective clothing\/eye protection\/face protection\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  \u003cli\u003eP313 - Get medical advice\/attention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Storage Conditions\u003c\/h2\u003e\n\u003cp\u003eStore in tightly closed containers in a dry, cool, and well-ventilated place. Protect from moisture, heat sources, and acids. Avoid contact with strong oxidizing agents.\u003c\/p\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55487578800476,"sku":"CHEM-427447703-50g","price":13.76,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/13c76aa14f5afd0f4bcb39ead3c3ffcb.jpg?v=1758017847","url":"https:\/\/miolaboratorium.com\/en\/products\/kaliumpyrosulfit-cz-50g","provider":"Biolaboratorium","version":"1.0","type":"link"}