Density: 0.66g/cm3
Melting point: -134℃
Boiling point: 35-38℃
Flash point: -45.6 ° C
Refractive index: 1.385 (20℃)
Saturated vapor pressure: 96.3kPa (37.8℃)
Critical temperature: 197.8℃
Critical pressure: 3.44MPa
Ignition temperature: 365℃
Upper explosion limit (V/V) : 8.7%
Lower explosive limit (V/V) : 1.6%
Appearance: Colorless liquid
Solubility: insoluble in water, soluble in ethanol, ether and other organic solvents