(E)-2-HEXENAL 2-Hexenal, (2E)- 2-Hexenal, (E)- 2-trans-Hexenal 4-01-00-03468 (Beilstein Handbook Reference) 6728-26-3 AI3-35157 BRN 1699684 CCRIS 4565 EINECS 229-778-1 FEMA No. 2560 beta-Propyl acrolein trans-2-Hexenal (leaf aldehyde) trans-2-Hexenal (leaf aldehyde) (natural) trans-Hex-2-enal