... point:185-199 degreesflash point:88 degreessolubility:94g/Lspecification:Assay:99.5%Moisture:0.5%maxCis-isomer:0.3% maxColor(solution ... market:europe,America,Asia. Crotonic acid, trans-2-Butenoic acid,99.5%,raw material for Cosmetics, Resin, Coating,Plasticizer