Database/Perfuming/Acetylcedrene
Mostly natural · ISO 16128

Is Acetylcedrene natural?

Mostly. Cedrene is a natural sesquiterpene from cedarwood oil; the acetyl group comes from petrochemical acetic anhydride.

INCI nameAcetylcedrene
CAS32388-55-9
FormulaC17H26O · 246.4 Da
FunctionPerfuming
FeedstockMade by Friedel-Crafts acetylation of cedrene, a terpene…

How we scored it

Cedrene C15H24 (204.4) natural sesquiterpene; acetyl group net addition C2H2O (42.0) petrochemical; 204.4/246.4=0.83.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Made by Friedel-Crafts acetylation of cedrene, a terpene isolated from natural cedarwood oil. The acetyl group is added using petrochemical acetic anhydride.

In plain English

A woody-musk fragrance ingredient made by attaching an acetyl group to cedrene, a natural terpene from cedarwood oil.

Natural alternatives with the same function

Structure

2D structure of Acetylcedrene

1-[(1R,2R,5S,7R)-2,6,6,8-tetramethyl-9-tricyclo[5.3.1.01,5]undec-8-enyl]ethanone

PubChem CID 16220111 ↗

References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2Acetylcedrene. PubChem CID 16220111. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3ACETYLCEDRENE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4ACETYLCEDRENE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=ACETYLCEDRENE