Nonanal

At a glance

Nonanal is a C9 aliphatic aldehyde occurring naturally in citrus peels and produced industrially by oxidation of nonanol from petro‑derived feedstocks; it adds fresh, citrus‑green, slightly fatty aldehydic notes to top‑notes.

Category
⚗️ Synthetic
Origin
synthetic or derived from natural sources like citrus peels
Extraction
Chemical synthesis
Chemical family
Aldehyde
CAS number
124-19-6
Profile
waxy, citrusy, slightly sweet
IFRA status
Not restricted
● drafted · last checked 2026-09-01