Chemical Properties
| Melting point | −138 °C(lit.) |
| Boiling point | −0.5 °C(lit.) |
| Density | 0.579 g/mL at 20 °C(lit.) |
| vapor density | 2.11 (vs air) |
| Flash point | -83 °C |
| form | gas |
| Dielectric constant | 1.4（-1℃） |
Safety Information
| Hazard Codes | F+ |
| Risk Statements | 12 |
| Safety Statements | 9-16 |
| RIDADR | UN 2037 2.1 |
| WGK Germany | - |
| RTECS | EJ4200000 |
| F | 4.5-31 |