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Helvetolide

2-[1-(3,3-Dimethylcyclohexyl)ethoxy]-2-methylpropyl propanoate

Helvetolide

Alicyclic musk (ester) · C₁₇H₃₂O₃

Chemical structure of Helvetolide
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
141773-73-1
Molecular formula
C₁₇H₃₂O₃
Molecular weight
284.44 g/mol
Introduced
1990 · Firmenich
Origin
Synthetic
Odor family
Musk
Note
Base
Aroma
Fruity pear-like musk, clean and slightly floral, with a light ambery touch.

History

Helvetolide was the first commercial alicyclic musk, developed by Firmenich. Unlike macrocyclic or polycyclic musks, it has an open chain attached to a small cyclohexane ring, showing that musk odor can come from more flexible scaffolds.

In perfumery

Helvetolide gives a clean, slightly fruity musk effect and is used in modern fine fragrance and personal care. It is often combined with macrocyclic musks for added brightness.

Connections

Evokespear

Regulatory status

Unrestricted · No IFRA standard
IFRA 51
No dedicated IFRA Standard in the 51st Amendment index.
EU allergen 2023/1545
Not named individually in the expanded allergen list of Regulation 2023/1545.

Sources

  1. Wikidata Q81984703 (CAS 141773-73-1, formula; data mirrored from PubChem)
  2. Kraft P., Bajgrowicz J.A., Denis C., Fráter G. Odds and trends: recent developments in the chemistry of odorants. Angew. Chem. Int. Ed. 39 (2000) 2980–3010
  3. The Good Scents Company Information System, material entries
  4. IFRA Standards, 51st Amendment: Index of IFRA Standards (notified 30 June 2023)
  5. Synthetic musk overview: Helvetolide introduced by Firmenich in 1990