BUTANE
A normally gaseous straight-chain or branch-chain hydrocarbon extracted from hydrocarbon extracted from natural gas or refinery gas streams. It includes isobutane and normal butane and is designated in ASTM Specification D1835 and Gas Processors Association Specifications for commercial butane.
A hydrocarbon consisting of four carbon atoms and ten hydrogen atoms. Normally a gas, but easily liquified for transport and storage. used in gasolines, and for cooking and heating. See also: LPG.
A hydrocarbon gas found in the earth along with natural gas and oil. Butane turns into a liquid when put under pressure. It is sold as bottled gas. It is used to run heaters, stoves and motors, and to help make petrochemicals.
