POTASSIUM METABISULPHITE 95% Extra Pure
| Article No | P-07228 | ||
| CAS No | 16731-55-8 | ||
| HSN Code | 28322010 | ||
| Purity | 95% | ||
| Grade | Extra Pure | ||
| Molecular Formula | K2S2O5 | ||
| Molecular Weight | 222.31 | ||
| Shelf Life | 5 years | ||
Packagings
500 gm
| Article No | P-07228 | ||
| CAS No | 16731-55-8 | ||
| HSN Code | 28322010 | ||
| Purity | 95% | ||
| Grade | Extra Pure | ||
| Molecular Formula | K2S2O5 | ||
| Molecular Weight | 222.31 | ||
| Shelf Life | 5 years | ||
500 gm
| Description | White crystalline powder | ||
| Assay | 95.0 – 99.9% | ||
| Chloride (Cl) | Max. 0.05% | ||
| Heavy metals (as Pb) | Max. 0.001% | ||
| Melting Point/ Freezing Point [°C] | 150 °C | ||
| Density [g/cm3] | 2.34 | ||
| Solubility in water [% weight] | 22.2 g/l at 20 °C | ||
| Iodometric SO2 | 54.8 – 57.6% | ||
| Appearance of solution | Passes test | ||
| pH (5% solution ) | 3.0-4.5 | ||
| Thiosulphate (S2O3) | Passes test | ||