Tianjin Xinxin Biotechnology Research And Development Center

Sodium bisulfite

• Category :

  Inorganic chemicals/Inorganic salts

• Synonyms :

  Sodium hydrogen sulfite;Sodium Bisulphite;sodium hydrogen sulfate;

• CAS NO :

  7631-90-5

• EC NO :

  231-548-0

• Molecular Formula :

  NaHSO₃

• Molecular Weight :

  104.061

• Main Specifications :

  99%

• InChI :

  InChI=1/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-2

• 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.

• Molecular Structure :