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Phenylacetic acid

2-Phenylacetic acid

Phenylacetic acid, α-Toluic acid

Aromatic carboxylic acid · C₈H₈O₂

Chemical structure of Phenylacetic acid
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
103-82-2
Molecular formula
C₈H₈O₂
Molecular weight
136.15 g/mol
Origin
Nature-identical
Odor family
Animalic
Note
Base
Aroma
Deep honey with animal and faintly urinous facets, somewhat like beeswax.

History

Phenylacetic acid occurs naturally in honey and many plants and is also an animal metabolite. It is one of the keys to the smell of honey.

In perfumery

Phenylacetic acid is used at low levels in honey, beeswax and tobacco accords.

Connections

Evokeshoney, hyraceum
Found in natureHoney

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. NCI/CADD Chemical Identifier Resolver, CAS 103-82-2 (formula, names)
  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)