| Article No. | 05451 |
| Purity | 98.5% |
| Molecular Formula | K2SO4 |
| H.S. Code | 2833.2990 |
| Grade | Extra Pure |
| CAS No. | 7778-80-5 |
| Molecular Weight | 174.27 |
| Shelf Life | 60 Months |
Symbol:
| Physical state at 20 °C | Solid | Colour | White crystalline | ||||
| Odour | Odorless | pH value | ~7 | ||||
| Melting point/ Freezing point [°C] | 1067°C | Boiling point [°C] | 1689°C | ||||
| Density [g/cm3] | 2.662 | Solubility in water [% weight] | 110 g/l (20°C) | ||||
| Appearance | White crystalline powder | Assay (Titration after Ion exchange) | 98.5 - 101.0% |
| pH (5% solution) | 5.5 - 8.5 | Chloride (Cl) | Max 0.004% |
| Heavy metal (as Pb) | Max 0.002% | Iron (Fe) | Max 0.001% |
| Magnesium (Mg) | Max 0.002% | Calcium (Ca) | Max 0.02% |
| Loss on drying (at 105°C) | Max 1.0% |
Safety Statement: 22-24/25
EN 