C4H10; a gaseous hydrocarbon present in natural gas; two isomers are known, both of which are anesthetically active: N-butane is CH3(CH2)2CH3 and isobutane is CH3CH(CH3)CH3 (or 2-methylpropane).
As scientists who evolve with technology we treat innovation as a way of life, a life we dedicate to improvement and advancement of Safety, Health and Environment.