Sodium bisulfite JP 1KG Go Back

CASR

: 7631-90-5

Molecular Formula

: NaHSO3

Molecular Weight

: 104.06
Specifications  
Description: White granules or powder, having the odour of sulfur dioxide.
Solubility: Freely soluble in water, practically insoluble in ethanol and in ether.
Identification A (By Chemical test): Gives positive test for sodium
Identification B (By Chemical test): Gives positive test for bisulfite
Clarity and colour of solution: The solution is clear and colorless.
Thiosulfate (S2O3): No turbidity is produced
Heavy metals: NMT 20ppm
Iron (Fe): NMT 20ppm
Arsenic (As): NMT 4ppm
Assay: NLT 64.0% and NMT 67.4 % of SO2
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