Undecenal

At a glance

Undecenal is a lab‑synthesised C11 aliphatic aldehyde delivering fresh citrus‑green, slightly fatty notes, widely used to add bright, sparkling accords in modern perfumery.

Category
⚗️ Synthetic
Origin
synthetic production
Extraction
Chemical synthesis
Chemical family
Aldehyde
CAS number
1337-83-3
Profile
fresh, green, fruity
IFRA status
Not restricted
● drafted · last checked 2026-09-01