Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 648 °C | Solubility in water [% weight] | Insoluble in water |
Colour | Silver white | Density [g/cm3] | 1.74 |
Auto-ignition temperature [°C] | 473°C | Boiling point [°C] | 1100°C |
Appearance | Silvery white turnings |
Assay | Min 99.5% |
Insoluble matter in HCl | Max 0.01% |
Iron (Fe) | Max 0.05% |