Trans-2-Dodecenal, (E)-2-Dodecenal, and E-2-Dodecenal Are Chemical Names For Liquid 2-Dodecenal 20407-84-5. It is utilised by the chemical, pharmaceutical, soap, and detergent industries in addition to the fragrance, flavour, fragrance, and aroma industries. Container Must Be Stored In A Dry, Well-Ventilated Area With The Lid Tightly Closed. To prevent leaks, opened containers must be properly resealed and kept upright. In A Cool Place, Save.