Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 1565°C | Solubility in water [% weight] | Negligible (< 0.1%) |
Colour | Reddish powder | Density [g/cm3] | 5.24 |
Appearance | Reddish powder |
Assay | 95 – 98% |
Loss on ignition | Max 0.5% |
Water soluble matter | Max 1.0% |
Phosphate (PO4) | Max 0.3% |
Sulphate (SO4) | Max 0.5% |
Manganese (Mn) | Max 0.25% |