4898 (2E,4E)-2,4-Hexadienoic acid (2E,4E)-2,4-Hexadienoic acid is a preservative for many foodstuffs. Generally used as K salt or (less frequently) as Ca salt. (2E,4E)-2,4-Hexadienoic acid is an antimicrobial agent against a wide variety of microorganisms, especially yeasts and moulds. (2E,4E)-2,4-Hexadienoic acid is a preservative action more efficient in acidic foods. Typical usage levels 500-2000 ppm (2E,4E)-2,4-Hexadienoic acid belongs to the family of Unsaturated Fatty Acids. These are fatty acids whose chain contains at least one CC double bond. 110-44-1 643460 C6H8O2 White powder. 134.5 °C 1.91 mg/mL at 30 °C No indication of carcinogenicity to humans (not listed by IARC). 2014-09-11T05:18:52Z 2014-12-24T20:26:58Z 38358 true [H]\C(C)=C(\[H])/C(/[H])=C(\[H])C(O)=O C6H8O2 InChI=1S/C6H8O2/c1-2-3-4-5-6(7)8/h2-5H,1H3,(H,7,8)/b3-2+,5-4+ InChIKey=WSWCOQWTEOXDQX-MQQKCMAXSA-N 112.1265 112.0524295 Exogenous Solid 1.33 HMDB29581 CHEMBL250212 558605