Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 1403°C | Solubility in water [% weight] | Insoluble in water |
Colour | White powder | Density [g/cm3] | 3.18 |
Boiling point [°C] | 2500°C |
Appearance | White powder |
Assay (complexometric; on ignition at 500°C) | Min 97% |
Chloride (Cl) | Max 0.05% |
Sulphate (SO4) | Max 0.1% |
Heavy metal (as Pb) | Max 0.05% |
Iron (Fe) | Max 0.005% |