2,4-Hexadienoic acid, ethyl ester (9CI) 2,4-Hexadienoic acid, ethyl ester, (2E,4E)- 2,4-Hexadienoic acid, ethyl ester, (E,E)- 2,4-Hexadienoic acid, ethyl ester, (E,E)- (9CI) 2396-84-1 5941-48-0 91660-95-6 AI3-11732 EINECS 219-258-2 ETHYL SORBATE Ethyl (E,E)-2,4-hexadienoate Ethyl 2,4-hexadienoate Ethyl 2,4-hexadienoate, (E,E)- Ethyl hexa-2,4-dienoate FEMA No. 2459 NSC 8874 Sorbic acid, ethyl ester