2-Hexenoic acid, ethyl ester, (2E)- 2-Hexenoic acid, ethyl ester, (E)- 27829-72-7 EINECS 248-681-5 Ethyl (E)-2-hexenoate Ethyl (E)hex-2-enoate Ethyl trans-2-hexenoate FEMA No. 3675