trans-4-Decen-1-al

At a glance

Synthetic unsaturated aldehyde produced by oxidation of decene; offers a fresh, citrus‑green, slightly fatty and subtly marine note, used to brighten top accords in fresh, aquatic and citrus fragrances.

Category
⚗️ Synthetic
Origin
Synthetic, petrochemical origin
Extraction
Chemical synthesis
Chemical family
Unsaturated aldehyde
CAS number
65405-70-1
IFRA status
Not restricted
● drafted · last checked 2026-09-01