Physical state : Gas
Appearance : Colorless gas.
Molecular mass : 40 g/mol
Color : Colorless.
Odor : No data available
Odor threshold : No data available
pH : Not applicable.
Relative evaporation rate (butyl acetate=1) : No data available
Relative evaporation rate (ether=1) : Not applicable.
Melting point : -189 °C
Freezing point : No data available
Boiling point : -185.9 °C
Flash point : No data available
Critical temperature : -122.4 °C
Auto-ignition temperature : Not applicable.
Decomposition temperature : No data available
Flammability (solid, gas) : No data available
Vapor pressure : Not applicable.
Critical pressure : 4898 kPa
Relative vapor density at 20 °C : No data available
Relative density : No data available
Specific gravity / density :
0.103 lb/ft
3
Vapor density at 70°F (21.1°C)
Relative gas density : 1.38
Solubility : Water: 61 mg/l
Log Pow : Not applicable.
Log Kow : Not applicable.
Viscosity, kinematic : Not applicable.
Viscosity, dynamic : Not applicable.
Explosive properties : Not applicable.
Oxidizing properties : None.
Explosive limits : No data available