2-trans-6-trans-Octadienal

At a glance

2‑trans‑6‑trans‑Octadienal is a synthetic aliphatic aldehyde prized for its fresh, citrus‑green and marine character, often used to impart bright, sea‑breeze notes in modern perfumery.

Category
⚗️ Synthetic
Origin
Synthetic
Extraction
Chemical synthesis
Chemical family
Aldehyde
CAS number
56767-18-1
IFRA status
Restricted -- max 0.043% in Category 4
● drafted · last checked 2026-09-09