Sodium bisulfite

Sodium bisulfite
Product Id:
1121574816
Products Name:
Sodium bisulfite
CAS NO:
Product category:
Preservative
Remarks:
]Molecular Weight]: 104.06

 

[Molecular Formula]: NaHSO3

[CAS No].:  7631-90-5
[Molecular Weight]: 104.06
[Appearance]: White crystal grain

[Properties]: 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.
[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.

[Packing]: polypropylene weaving bag lined with polyethylene plastic bag, paper plastic compound bag, etc. Net wt.: 25/50/1000kg/bag or upon clients' request.
[Specification]:
Technical Indicator
Chinese standard
HG/T3814-2006
Company standard
Main content (as SO2) ≥ %
99
99.5
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