Chemical Properties
| Melting point | 1493°C |
| Boiling point | 3100°C |
| Density | 8.92 |
| form | Solid |
| color | Dark grey fine powder |
| Water Solubility | Insoluble in water |
Safety
| Symbol(GHS) |
 
|
| Signal word | Danger |
| Hazard statements | H317-H334-H413 |
| Precautionary statements | P261-P280-P342+P311 |
| Risk Statements | 11-42/43-53 |
| Safety Statements | 22-24-37-61 |
| PackingGroup | II |