Butane

Butane is a hydrocarbon fuel refined from crude oil. It is sold bottled as a fuel for cooking and camping. When blended with Propane and other hydrocarbons, it is referred to commercially as LPG.

Properties

Physical Properties

Gas Butane
Chemical formula C4H10
Molecular weight 58.1
Gas density 2.52 Kg/m3
SG vapour 2.07
Boiling point 0.5°C
Critical temperature 152°C
Critical pressure 38 bar

Production

Butane is mostly refined from crude oil. It is liquefied under pressure and transported in tanks and then filled into cylinders for use as a fuel.

Safety

Butane is highly flammable and in high concentrations may also cause asphyxiation and death. In low concentrations butane may cause narcotic effects. Symptoms may include dizziness, headache, nausea and loss of co-ordination. For more detail on the hazards associated with butane check the Safety Data sheet.

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