Synonyms: 2-Propenoic acid, 2-methyl-, butyl ester, polymer with butyl 2-propenoate, ethenylbenzene, methyl 2-methyl-2-propenoate, 1,2-propanediol mono(2-methyl-2-propenoate) and 2-propenoic acid;Acrylic acid, butyl acrylate, butyl methacrylate, hydroxypropyl methacrylate, methyl methacrylate, styrene polymer