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Creosol

2-Methoxy-4-methylphenol

Creosol, 4-Methylguaiacol, Homoguaiacol

Methoxyphenol · C₈H₁₀O₂

Chemical structure of Creosol
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
93-51-6
Molecular formula
C₈H₁₀O₂
Molecular weight
138.17 g/mol
Origin
Nature-identical
Odor family
Animalic
Note
Heart
Aroma
Smoky, wood tar-like, slightly sweet like burnt vanilla.

History

Creosol is a constituent of wood tar and creosote, formed when lignin is pyrolysed. The name relates to creosote, the distillate of wood tar.

In perfumery

Creosol is used at low levels for smoke, leather and burnt wood tones, within IFRA limits.

Connections

Evokesbirch tar, cade

Regulatory status

IFRA restricted
IFRA 51
Restriction: IFRA Standard for 2-methoxy-4-methylphenol, published 2020.
EU allergen 2023/1545
Not named individually in the expanded allergen list of Regulation 2023/1545.

Sources

  1. NCI/CADD Chemical Identifier Resolver, CAS 93-51-6 (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)