Synonyms: 2,4-Hexadienoicacid, sodium salt, (2E,4E)- (9CI);2,4-Hexadienoic acid, sodium salt, (E,E)-;Sorbic acid, sodium salt (8CI);(E,E)-2,4-Hexadienoic acid sodium salt;E 201;Sodium (E,E)-2,4-hexadienoate;Sodium sorbate;Sodium a-trans-g-trans-sorbate;2,4-hexadienoic acid, sodium salt, (2E,4E)- (1:1);Sodium (2E,4E)-2,4-hexadienoate;