Synonyms: Ethyleneoxide, a,a-dimethyl- (3CI);Propane, 1,2-epoxy-2-methyl-(6CI,8CI);1,1-Dimethylethylene oxide;1,2-Epoxy-2-methylpropane;1,2-Epoxyisobutane;1,2-Isobutylene oxide;2,2-Dimethyloxirane;2-Methyl-1,2-epoxypropane;2-Methyl-1-propene oxide;2-Methyl-1-propenoxide;2-Methylpropylene oxide;Isobutene oxide;Isobutylene epoxide;Isobutylene oxide;NSC 24249;