Potassium sulphate 99% AR
Product Code. |
02179 |
Grade |
AR |
Purity |
99% |
CAS No. |
7778-80-5 |
Molecular Formula |
K2SO4 |
Molecular Weight |
174.27 |
H.S.Code |
3104.30000 |
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) |
Packaging
Specification
| 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% |
Safety Information and Hazard Symbols