Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 2315 °C | Solubility in water [% weight] | Insoluble in water |
Colour | White powder | Density [g/cm3] | 6.51 |
pH value | Alkaline | Boiling point [°C] | 4200°C |
Appearance | A white powder |
Assay |
Min 99.9% |
Chloride (Cl) | Max 0.005% |
Sulphate (SO4) | Max 0.005% |
Calcium (Ca) | Max 0.002% |
Copper (Cu) | Max 0.005% |
Iron (Fe) | Max 0.002% |
Magnesium (Mg) | Max 0.0003% |