Chemical Properties
| Melting point | 613 °C (sublm) |
| Boiling point | subl at 612°C |
| Density | 5.778 g/cm3(Temp: 25 °C) |
| color | Silvery to black, brittle, crystalline, or amorphousmetalloid |
Safety
| Symbol(GHS) |
   
|
| Signal word | Danger |
| Hazard statements | H301+H331-H315-H318-H350-H410 |
| Precautionary statements | P273-P280-P301+P310-P302+P352-P304+P340+P311-P305+P351+P338 |
| Toxicity | LD50 orl-rat: 763 mg/kg GTPZAB 31(12),53,87 |