molecular formula: NaHSO3
CAS: 7631-90-5
Appearance:
White crystal powder
Properties:
White crystalline or crystalloid powder. Have the sulfur dioxide smell.Thermal decomposition. In the air for easy oxidized sulfates. Insoluble in water, soluble in alcohol. Have strong reducing.
Use:
Analytics reagents, like as a reductant, and also used as a condiment, bacteria inhibitors.
Details:
|
Test item |
Specification |
|
Reagent grade |
Pharmaceutical grade |
|
Appearance |
Conform |
Conform |
|
Assay SO2 /% |
≥58.5-65.0 |
≥58.5-65.0 |
|
Clarify degrees test |
Conform |
Conform |
|
Water insoluble/% |
≤0.005 |
≤0.01 |
|
Chloride (Cl)/% |
≤0.01 |
≤0.02 |
|
Ferric (Fe) /% |
≤0.001 |
≤0.002 |
|
Arsenic (As) /% |
≤0.0001 |
≤0.0002 |
|
Heavy metal (Pb) /% |
≤0.001 |
≤0.002 |
We supply reagent grade food grade industrial grade. If you are interested in our products please contact me.
