Synonyms: Styrene, p,a-dimethyl- (7CI,8CI);1-Isopropenyl-4-methylbenzene;1-Methyl-4-(1-methylethenyl)benzene;1-Methyl-4-isopropenylbenzene;1-p-Tolyl-1-methylethylene;2-(p-Methylphenyl)propene;2-p-Tolyl-1-propene;2-p-Tolylpropene;4,a-Dimethylstyrene;4-Isopropenyl-1-methylbenzene;4-Isopropenyltoluene;4-Methyl-a-methylstyrene;4-Methylisopropenylbenzene;Dehydro-p-cymene;NSC 361058;p,a-Dimethylstyrene;p-Cymenene;p-Isopropenyltoluene;p-Methyl-a-methylstyrene;p-Methylisopropenylbenzene;a,4-Dimethylstyrene;a,p-Dimethylstyrene;a-Methyl-p-methylstyrene;