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- Details for China Sodium bisulfite
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Sodium bisulfite 7631-90-5
Category : Inorganic chemicals
CAS NO : 7631-90-5 EC NO : 231-548-0 MF : NaHSO3 MW : 104.061 Specification : ≥99% Packing : In PP woven bag lined with PE bag; paper-plastic composite bag, and kraft paper bag etc. Product description : Molecular Formula:NaHSO3
Molecular Weight:104.06
Appearance: White crystal grainProperties: White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; have strong reducing property; can be oxidized in the air or loose sulfur dioxide.
Technical Indicator
Chinese standard
HG/T3814-2006Company standard
Main content (as SO2) ≥ %
64.0~67.0
64.0~67.0
Water-Insoluble ≤ %
0.03
≤0.01
Chloride(Cl) ≤ %
0.05
≤0.03
Iron(Fe) ≤ %
0.004
≤0.001
Heavy metal(Pb)≤%
0.001
≤0.0001
Arsenic(As) ≤ %
0.0002
≤0.0001
Packing: polypropylene weaving bag lined with polyethylene plastic bag, paper plastic compound bag, etc.
Net wt.: 25/50/1000kg/bag or upon clients' requestUses : It is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, developer, food bleacher, antiseptic and anti-oxidants. Synonyms : Sodium hydrogen sulfite;Sodium Bisulphite;sodium hydrogen sulfate; Molecular Structure :
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