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Guaiyl acetate

2-[(3S,5R,8S)-3,8-Dimethyl-1,2,3,4,5,6,7,8-octahydroazulen-5-yl]propan-2-yl acetate

Guaiacwood acetate, Guaiol acetate

Sesquiterpenyl acetate · C₁₇H₂₈O₂

Chemical structure of Guaiyl acetate
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
134-28-1
Molecular formula
C₁₇H₂₈O₂
Molecular weight
264.41 g/mol
Origin
Synthetic
Odor family
Woody
Note
Base
Aroma
Sweet, slightly smoky, smooth wood with tea and rose nuances.

History

Guaiyl acetate is made by acetylating guaiol or guaiacwood oil. The oil-derived product is a mixture, usually called guaiacwood acetate.

In perfumery

It is used as a soft, lightly smoky woody note in rose, tea and leather compositions.

Connections

Evokesguaiacwood

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 Q27259699 (CAS 134-28-1, formula; data mirrored from PubChem)
  2. Sell C.S. (ed.) The Chemistry of Fragrances: From Perfumer to Consumer, 2nd ed., Royal Society of Chemistry 2006
  3. The Good Scents Company Information System, material entries
  4. IFRA Standards, 51st Amendment: Index of IFRA Standards (notified 30 June 2023)