Consistent supply, top quality,competitive price Crotonic acid, trans-2-Butenoic acidDensity:1.027Melting point: ... -isomer:0.3% maxColor(solution):10 HazenApplication:Organic intermediates;Resin, Coating,painting,adhesive, Plasticizer, cosmetics(facial mask material ... );Export market:europe,America,Asia. Crotonic acid, trans-2-Butenoic acid,99.5%,raw material for Cosmetics, Resin, Coating,Plasticizer