Propane, the chemical formula CH₃CH₂CH₃, is a colorless and liquefiable gas. It is slightly soluble in water, ethanol and ether. It exists in natural gas and petroleum pyrolysis gas, and forms explosive mixture after mixing with air. Its chemical properties are stable and not easy to occur chemical reaction.
Propane is mainly used in chemical raw materials and civil gas. It can be used as raw material for producing ethylene and propylene or as solvent in oil refining industry; In addition, the liquefied mixture of propane, butane and a small amount of ethane can be used as civil fuel, namely liquefied petroleum gas.