Sodium Metabisulfite Purified, Powder Form

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CAS Number: 7681-57-4
Molecular Formula: Na2S2O5
Formula Weight: 190.11
 
 
Sodium Metabisulfite Purified Specifications:
Typical Analysis
Assay (Na2S2O5): Min. 97.0%
 
Maximum Limits
Insoluble Matter: 0.005%
Chloride (Cl): 0.05%
Thiosulfate (S2O3): 0.05%
Heavy Metals (as Pb): 0.001%
Iron (Fe): 0.002%

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