Propane is a colourless and flammable gas. It occurs in natural gas, camping gas, and motor gas. It is also used to calibrate environmental emissions monitoring.
The major hazard of propane is fire.
44.096 g/mol
Gas density (1.013 bar at boiling point): 2.417 kg/m3
Gas density (1.013 bar and 15 °C (59 °F)): 1.8988 kg/m3
Melting point: 187.68 °C
Boiling point (1.013 bar): -42.11 °C
Liquid density (1.013 bar at boiling point): 580.99 kg/m3
Critical temperature: 96.74 °C
Critical pressure: 42.51 bar
Critical density: 220.48 kg/m3