Methyl-alpha-ionone

At a glance

Methyl‑α‑ionone is a synthetic cyclic terpene ketone with a sweet violet‑woody, fruity aroma, used to add violet, powdery and fruity nuances in perfumery.

Category
⚗️ Synthetic
Origin
synthetic production
Extraction
Chemical synthesis
Chemical family
Ketone
CAS number
127-42-4
Profile
floral, woody, slightly powdery
IFRA status
Restricted, concentration limits under IFRA standards (listed as "Methyl ionone, mixed isomers", CAS 127-42-4)
● drafted · last checked 2026-08-26