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7631-90-5 Sodium bisulfite Sodium hydrogen sulfite
Chemical Name: Sodium bisulfite
CAS No.:7631-90-5
Molecular Fomula:HNaO3S
Molecular weight:104.06
Appearance: White Crystalline Powder
Assay:99.0%min
Main content (as NaHSO3) ≥ % |
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 |
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