Butane - C4H10
Butane is a colourless, highly flammable gas that is liquefied at -0.3°C. It occurs in natural gas and crude oil.
It is used for gasoline blending and is a key ingredient in the production of synthetic rubber.
Properties
Molecular weight 58.12 g/mol
Solid phase Melting point: -140 to -134 °C
Liquid phase Boiling point: -1 to 1 °C