Chemical Properties
| Melting point | −183 °C(lit.) |
| Boiling point | −161 °C(lit.) |
| vapor density | 0.55 (vs air) |
| Flash point | -188℃ |
| Stability | Stable. Extremely flammable. Incompatible with strong oxidizing agents, halogens. |
Safety Information
| Hazard Codes | F+ |
| Risk Statements | 12 |
| Safety Statements | 16-38-33-9 |
| RIDADR | UN 1971 2.1 |
| WGK Germany | 3 |
| Autoignition Temperature | 998 °F |