| CAS | 7778-80-5 |
| Molecular Formula | K2SO4 |
| Molecular Weight | 174.27 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| 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) |
| Specifications | |||
| Appearance | White crystalline powder | Assay (Titration After Ion Exchange) | 99.0-101.0% |
| Insoluble Matter (6.67% in Water) | Max 0.01% | pH (5% Solution in Water) | 5.5 – 8.5 |
| Chloride (Cl) | Max 0.001% | Total Nitrogen (N) | Max 0.0005% |
| Heavy Metal (As Pb) | Max 0.0005% | Iron (Fe) | Max 0.0005% |
| Calcium (Ca) | Max 0.01% | Magnesium (Mg) | Max 0.002% |
| Sodium (Na) | Max 0.02% | ||
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
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