Physical state at 20 °C | Solid | Odour | Odorless |
Density [g/cm3] | 6.32 | Solubility in water [% weight] | Insoluble in water |
Colour | Black powder |
Appearance | Black coloured fine powder |
Assay | Min. 97% |
Chloride (Cl) | Max. 0.1% |
Sulphate (SO4) | Max. 0.06% |
Iron (Fe) | Max. 0.1% |