CAS number 106-97-8

Butane (C4H10) is an organic compound, a hydrocarbon of the alkane class. In chemistry, the name is used mainly to refer to n-butane. The same name is given to a mixture of n-butane and its isomer CH(CH3)3. Contained in natural gas, it is formed in the cracking of petroleum products, in the separation of associated petroleum gas, “fat” natural gas. As a representative of hydrocarbon gases, it is flammable and explosive, slightly toxic, has a specific characteristic odour and has narcotic properties.