Description
CAS No. 7681-57-4
HSN Code : 28321090
IMDG Identification : Not Regulated for Transport (Non-Haz)
Molecular Formula : Na2S2O5
Molecular Weight : 190.10
Storage : Room Temperature
Shelf Life : 60 Months
Specifications
| Appearance (Colour) | White |
| Appearance (Form) | Crystalline compound |
| Solubility (Turbidity) 10% aq. solution | Clear |
| Solubility (Colour) 10% aq. solution | Colourless |
| Assay | min. 98% |
| pH (5% aq. solution) | 3.8 – 5.3 |
| Chloride (CI) | max. 0.005% |
| Iron (Fe) | max. 0.0005% |
| Heavy Metals (Pb) | max. 0.001% |
| Arsenic (As) | max. 0.0001% |
| Thiosulphate (S2O3) | max. 0.02% |
