Description
CAS No. 7757-83-7
Packing : 500 G
HSN Code : 28321090
IMDG Identification : Not Regulated for Transport (Non-Haz)
Molecular Formula : Na2SO3
Molecular Weight : 126.04
Storage : Room Temperature
Shelf Life : 60 Months
Specifications
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| Appearance (Colour) | White |
| Appearance (Form) | Crystalline powder |
| Solubility (Turbidity) 10% aq. solution | Clear |
| Solubility (Colour) 10% aq. solution | Colourless |
| Assay | min. 98% |
| pH (5% aq. solution) | 9.0 – 11.0 |
| Chloride (CI) | max. 0.04% |
| Iron (Fe) | max. 0.001% |
| Heavy Metals (Pb) | max. 0.001% |
| Copper (Cu) | max. 0.0005% |
| Arsenic (As) | max. 0.00005% |
| Phosphate (PO4) | max. 0.0005% |
| Thiosulphate (S2O3) | max. 0.02% |
