| Article No | S-08356 | ||
| CAS No | 7757-83-7 | ||
| HSN Code | 28321090 | ||
| Purity | Min. 95.0% | ||
| Grade | Extra pure | ||
| Molecular Formula | Na2SO3 | ||
| Molecular Weight | 126.04 | ||
| Shelf Life | 5 years | ||
500 gm
| Description | White crystalline powder | ||
| Assay | 95 – 100.5% | ||
| SO2 | Min. 48.0% | ||
| Identity | Passes test | ||
| Appearance of solution | Passes test | ||
| Thiosulphate (S2O3) | Max. 0.04% | ||
| Heavy metals (as Pb) | Max. 0.001% | ||
| Iron (Fe) | Max. 0.001% | ||
| Melting point/Freezing point (˚C) | 500˚C | ||
| Solubility in water (% weight) | 126g/l at 20˚C-Completely soluble | ||
| Copper (Cu) | Max. 0.0005% | ||
| Selenium (Se) | Max. 0.001% | ||
| Zinc (Zn) | Max. 0.0025% | ||