15105-17-6 2-Butenoic acid 3-Methylacrylic acid 3724-65-0 AI3-06287 Acrylic acid, 3-methyl- BRN 1098434 CROTONIC ACID Crotonic acid, liquid [UN2823] [Corrosive] Crotonic acid, solid [UN2823] [Corrosive] EINECS 223-077-4 HSDB 2814 Kyselina krotonova [Czech] NSC 206946 Solid crotonic acid UN2823 alpha-Butenoic acid alpha-Crotonic acid beta-Methacrylic acid beta-Methylacrylic acid