POTASSIUM SULPHATE Extra Pure
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC1766 | Extra Pure | 98.50% | 7778-80-5 | K2SO4 | 174.27 | 3104.3000 | 60 Months |
Packings
| 500 g,5000 g,25 Kg,50 Kg |
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) | 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 Information and Hazard Symbols
| Symbol | |
| Signal Word | |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | |
| Precaution Statement | |
| Risk Statement | |
| Safety Statement | 22-24/25 |