SODIUM METABISULPHITE 96.5% Extra Pure
| Article No | S-08180 | ||
| CAS No | 7681-57-4 | ||
| HSN Code | 28321090 | ||
| Purity | Min. 96.5% | ||
| Grade | Extra pure | ||
| Molecular Formula | Na2S2O5 | ||
| Molecular Weight | 190.10 | ||
| Shelf Life | 5 years | ||
Packagings
500 gm
| Article No | S-08180 | ||
| CAS No | 7681-57-4 | ||
| HSN Code | 28321090 | ||
| Purity | Min. 96.5% | ||
| Grade | Extra pure | ||
| Molecular Formula | Na2S2O5 | ||
| Molecular Weight | 190.10 | ||
| Shelf Life | 5 years | ||
500 gm
| Description | White crystalline powder | ||
| Assay (Iodometry) | 96.5 – 100.0% | ||
| Assay (Iodometry, as SO2) | 65.0 – 67.4% | ||
| Identity according pharma | Passes test | ||
| pH (5% water) | 3.5 - 5.0 | ||
| Insoluble matter in H2O | Max. 0.025% | ||
| Thiosulphate (S2O3) | Max. 0.05% | ||
| Melting point/Freezing point (˚C) | 300°C | ||
| Density ( g/cm3) | 1.48 | ||
| Solubility in water (% weight) | 650g/l at 20˚C | ||
| Appearance of solution | Passes test | ||
| Heavy metals (as Pb) | Max. 0.002% | ||
| Arsenic (As) | Max. 0.0004% | ||
| Iron (Fe) | Max. 0.002% | ||
| Residual solvents | Passes test | ||