Database/Perfuming/Santalyl Acetate
Mostly natural · ISO 16128

Is Santalyl Acetate natural?

Mostly. Santalol is extracted from sandalwood essential oil; the acetyl cap is petrochemical by this site's convention.

INCI nameSantalyl Acetate
CAS1323-00-8
FormulaC34H52O4 · 524.8 Da
FunctionPerfuming
FeedstockThe feedstock is santalol from East Indian or…

How we scored it

Santalyl-O- (sandalwood terpene alcohol, natural, 219.3 Da) + acetyl (petrochemical cap, 43.0 Da) per isomer unit; 219.3/262.4 = 0.84 (PubChem record doubles for two isomers).
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

The feedstock is santalol from East Indian or Australian sandalwood oil, acetylated with acetic anhydride. The PubChem record combines the alpha- and beta-santalol isomer esters, which does not change the mass ratio.

In plain English

A fragrance ingredient with a woody sandalwood scent, made by combining sandalwood-oil-derived santalol with acetic acid.

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Structure

2D structure of Santalyl Acetate

[(Z)-5-[(1S,3R)-2,3-dimethyl-3-tricyclo[2.2.1.02,6]heptanyl]-2-methylpent-2-enyl] acetate;[(Z)-2-methyl-5-[(1S,2R,4R)-2-methyl-3-methylidene-2-bicyclo[2.2.1]heptanyl]pent-2-enyl] acetate

PubChem CID 24832103 ↗

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. 2Santalyl Acetate. PubChem CID 24832103. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3SANTALYL ACETATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4SANTALYL ACETATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SANTALYL%20ACETATE