• Critical temperature : -82.7 °C

• Critical pressure : 45.96 bar

43.1.4. Gaseous phase

• Gas density (1.013 bar at boiling point) : 1.819 kg/m3

• Gas density (1.013 bar and 15 °C (59 °F)) : 0.68 kg/m3

• Compressibility Factor (Z) (1.013 bar and 15 °C (59 °F)) : 0.998

• Specific gravity (air = 1) (1.013 bar and 21 °C (70 °F)) : 0.55

• Specific volume (1.013 bar and 21 °C (70 °F)) : 1.48 m3/kg

• Heat capacity at constant pressure (Cp) (1 bar and 25 °C (77 °F)) : 0.035 kJ/(mol. K)

• Heat capacity at constant volume (Cv) (1 bar and 25 °C (77 °F)) : 0.027 kJ/(mol. K)

• Ratio of specific heats (Gamma:Cp/Cv) (1 bar and 25 °C (77 °F)) : 1.305454

• Viscosity (1.013 bar and 0 °C (32 °F)) : 0.0001027 Poise

• Thermal conductivity (1.013 bar and 0 °C (32 °F)) : 32.81 mW/(m. K)

4.3.2. Miscellaneous

• Solubility in water (1.013 bar and 2 °C (35.6 °F)) : 0.054 vol/vol

• Autoignition temperature : 595 °C