sodium bisulfite

Sodium BisulfiteAnother Name: hydrogen sulfite sodiumMolecular Formula: NaHSO3Molecular Weight: 104.06physicochemical property: white monoclinic crystal powder, with smell of SO2, the relative density is 1.49, easily dissolved in water, easily decomposed when heat, slightly soluble in alcohol, strong reductibility, easily oxidated and lose SO2 in air. It usally contain different rate of Sodium Metabisulfite.Quality Standards: HG/T 3814-2006 ItemIndexcontent(as SO2) 64.0-67.0 Insoluble in water0.03%max.Chloride ( as Cl )0.05%max.Iron (Fe)0.004%max.Heavy Metal ( as Pb )0.001%max.Arsenic (As)0.0002%max.PH(50g/L solution)4.0-5.0Main use: Bleaching agent for cotton fabric, reducing agent for Dye-industry, Papermaking industry, Leather industry, Chemosynthesis industry; and used in production of Pharmaceutical Intermediate , and used as developer, bleaching agency, preservative,antioxidant agent in food industry.Packing: 25,50,1000KG/Bag or according to customer’s request, in plastic woven bags, or Complex paper bag,kraft bag