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- Region :China/Tianjin
- Tel : 86-22-23995346 15202298304
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- Details for Sodium bisulfite
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Sodium bisulfite 7631-90-5
Category : Inorganic chemicals/Inorganic salts
CAS NO : 7631-90-5 EC NO : 231-548-0 MF : NaHSO3 MW : 104.061 Specification : 99% Packing : N.W.25kg bags Product description : 1.Chemical and Physical Properties: Products Name:Sodium Bisulfite Molecular Form:NaHSO3 Molecular Weight:104.06 CAS NO.:7631-90-5 EINECS NO.:231-548-0 H.S Code:2832100000. Sodium Bisulfite is white monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.48; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; has strong reducing property; can be oxidized in the air or loose sulfur dioxide. 2.Usage: Sodium Bisulfite is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, photographic developer, food bleacher, antiseptic and anti-oxidants. 3.Specifications: Sodium Bisulfite Standard:HG/T3814-2006 Test Item Standard Request. Inspect Result Inspect Conclusion Appearance White crystalline powder Conformed Pass Content (NaHSO3) % ≥99% 99.1% Pass SO2% 64%-67% 65% Pass Cl% 0.05 0.03 Pass Fe% ≤0.004% 0.002% Pass Water Insoluble Matter% ≤0.03% 0.01% Pass Heavy metal (Pb)% ≤0.001% 0.0005% Pass As% ≤0.0002% <0.0001% Pass PH 4.0-5.0 4.3 Pass 4.Packing Details: Sodium Bisulfite will be packed in N.W25kg plastic woven bag lined with PE liner,or 500kg/1000kg/1100kg/1200kg jumbo bag. 20MT-25MT will be loaded in 1*20’FCL container. 5.Storage: Sodium Bisulfite should be stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid raining. Uses : used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, photographic developer, food bleacher, antiseptic and anti-oxidants. Synonyms : Sodium hydrogen sulfite;Sodium Bisulphite;sodium hydrogen sulfate; Molecular Structure : 
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Sodium bisulfite