ChemNet > CAS > 7631-90-5 Sodium bisulfite

7631-90-5 Sodium bisulfite

product Name	Sodium bisulfite
CAS No	7631-90-5
Synonyms	Sodium hydrogen sulfite; Sodium Bisulphite; sodium hydrogen sulfate
Molecular Formula	NaHSO₃
Molecular Weight	104.061
InChI	InChI=1/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-2
EINECS	231-548-0
Molecular Structure
Melting point	150℃
Water solubility	300 g/L
Hazard Symbols	Xn:Harmful;
Risk Codes	R22:; R31:;
Safety Description	S25:; S46:;

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Specifications	99%
Packing	N.W.25kg bags
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...
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