Article No. | Grade | Purity | Cas no. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
S0197801000 | LR | 98.5% | 26970-82-1 | Na2SeO3·5H2O | 263.0 | 2842.9090 |
60 Months |
Appearance: |
White or almost white, crystalline powder, hygroscopic. |
Chloride (Cl): |
Max 0.005% |
Iron (Fe): |
Max 0.005% |
Assay: |
98.5-101.5% |
Solubility: |
Freely soluble in water, practically insoluble in ethanol (96 per cent). |
Appearance of solution: |
10% solution in water is clear and colorless |
pH: |
9.8-10.8 |
Identification (as per BP): |
Complies |
Sulphate and selenate (as SO4): |
Max 0.03% |