trans-2-Octenal

At a glance

Trans‑2‑Octenal is produced industrially by oxidizing octanol to the unsaturated C‑8 aldehyde. It offers a fresh green‑apple and cucumber fruitiness, used to impart crisp fruity notes in perfumery.

Category
⚗️ Synthetic
Origin
Synthetic (industrial oxidation of octanol)
Extraction
Chemical synthesis
Chemical family
Aldehyde
CAS number
2548-87-0
IFRA status
Not restricted
● drafted · last checked 2026-09-19