Sodium Thiosulfate Product Name : Sodium Thiosulfate ALIAS: hypo, sodium subsulfite, sodium hyposulfite, Sodium thiosulfate, sodium thiosulfate anydrous, thiosulfuric acid, disodium salt, disodium salt CAS NO: 7772-98-7? EINECS No.: 231-867-5 Molecular formula: Na2S2O3? Molecular weight: 158.108 Solubility (mg/L): Easily soluble in water and turpentine, insoluble in ethanol Relative density (water=1): 1.667g/cm3 Melting point: 48℃ Appearance: Colorless or white crystalline powder Packing: Double-layer packaging, packed with woven bags or barrel lined with polyethylene plastic bags. 25kg or 50kg net weight per bag (barrel). Usage: The photosensitive industry is used as a photographic fixing agent. The paper industry is used as a chlorine scavenger after Pulp bleaching. The dyeing and printing industry is used as a dechlorination agent for cotton fabric after bleaching. Analytical chemistry is used as a reagent for chromatographic analysis and volumetric analysis. It is used as detergent and disinfectant in medicine. The food industry is used as a chelating agent, an antioxidant, etc. Storage: The container must be sealed. Store in a cool, dry warehouse, anti-sun, anti-rain during transport. It cannot be stored and mixed with acids and oxidants. To prevent moisture dissolution.?