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4-Ethylphenol

4-Ethylphenol, p-Ethylphenol

Alkylphenol · C₈H₁₀O

Chemical structure of 4-Ethylphenol
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
123-07-9
Molecular formula
C₈H₁₀O
Molecular weight
122.17 g/mol
Origin
Nature-identical
Odor family
Animalic
Note
Heart
Aroma
Horse stable, medicinal, leathery and smoky.

History

4-Ethylphenol is best known as the horse stable odorant in wines affected by Brettanomyces yeast. It belongs to the phenols that give leathery and animal tones.

In perfumery

In fragrance it is used in traces for leather, castoreum and saddle accords.

Connections

Evokescastoreum

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 123-07-9 (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)