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Sodium metabisulfite CAS NO.7681-57-4
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- ProName: Sodium metabisulfite
- CasNo: 7681-57-4
- Molecular Formula: Na2O5S2
- LimitNum: 0
Superiority
SOLUBILITY FREELY SOLUBLE IN WATER, SLIGHTLY SOLUBLE IN ALCOHOL IDENTIFICATION TO PASS TEST APPEARANCE OF SOLN 5% SOLUTION IS CLEAR AND COLORLESS PH OF 5% SOLUTION 3.5--5.0 ARSENIC MAX 0.0005%…
Details
SOLUBILITY FREELY SOLUBLE IN WATER, SLIGHTLY SOLUBLE IN ALCOHOL
IDENTIFICATION TO PASS TEST
APPEARANCE OF SOLN 5% SOLUTION IS CLEAR AND COLORLESS
PH OF 5% SOLUTION 3.5--5.0
ARSENIC MAX 0.0005%
HEAVY METALS MAX 0.002%
IRON MAX 0.002%
THIOSULPHATE TO PASS TEST
ASSAY 95--100.5%
