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 NaHSO3) ≥ % |
99 |
99.5 |
Water-Insoluble ≤ % |
0.03 |
≤0.01 |
Chloride(Cl) ≤ % |
0.05 |
≤0.03 |
Iron(Fe) ≤ % |
0.005 |
≤0.001 |
Heavy metal(Pb)≤% |
0.0005 |
≤0.0002 |
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