Chemical Properties
| Melting point | 3550 °C(lit.) |
| solubility | Benzene (Very Slightly) |
| form | amorphous |
| color | Dark gray to black |
| EPA Substance Registry System | Carbon, isotope of mass 13 (14762-74-4) |
Safety Information
| Hazard Codes | F,Xi |
| Risk Statements | 36/37 |
| Safety Statements | 7-16-26 |
| RIDADR | UN 1361 4.2/PG 3 |
| WGK Germany | 3 |
| HazardClass | 4.2 |
| PackingGroup | III |