trans-2-Octenal

At a glance

A synthetic unsaturated aldehyde with a fresh green‑apple and citrus note, adding crisp fruitiness and a subtle nutty nuance to modern fragrances.

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 2026-09-09