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Shandong Kailong Chemical Technology Development Co., Ltd.
http://www.chemnet.com/ChinaSuppliers/16941/
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Sodium bisulfite

Details for Sodium bisulfite

Sodium bisulfite

Category:

Inorganic chemicals

Sodium bisulfite
CAS NO: 7631-90-5
EC NO: 231-548-0
Molecular Formula: NaHSO3
Molecular Weight: 104.061
Specification: ≥99%
InChI: InChI=1/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-2
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 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.

Technical Indicator

Chinese standard
HG/T3814-2006

Company 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' request

Uses: 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: Sodium bisulfite 7631-90-5
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