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Vanitrope (propenyl guaethol)

2-ethoxy-5-[(E)-prop-1-enyl]phenol

Vanitrope, Propenyl guaethol, 2-Ethoxy-5-(1-propenyl)phenol

Phenol ether · Phenol ether · C₁₁H₁₄O₂

Chemical structure of Vanitrope (propenyl guaethol)
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
94-86-0
Molecular formula
C₁₁H₁₄O₂
Molecular weight
178.23 g/mol
Origin
Synthetic
Odor family
Gourmand
Note
Base
Aroma
Vanilla with light smoke and soft clove; stronger than vanillin.

History

Propenyl guaethol, sold as Vanitrope, is structurally close to isoeugenol with an ethoxy in place of a methoxy group.

In perfumery

Used to add a smoky vanilla facet to amber and tobacco accords.

Connections

EvokesVani · Vanilla, Isoeugenol

Regulatory status

IFRA restricted
IFRA 51
Restricted by an IFRA Standard (entry "Propenylguaethol"), current version issued at Amendment 49. Maximum levels differ across the 12 product categories.
EU CosReg
No specific entry in Annex II or III of Regulation (EC) 1223/2009.
EU allergen 2023/1545
Not on the list of fragrance allergens requiring labelling, including after Regulation (EU) 2023/1545.

Sources

  1. NCI/CADD Chemical Identifier Resolver, CAS 94-86-0
  2. IFRA Standards Library, Amendments up to 51
  3. Regulation (EC) No 1223/2009, consolidated text of 18.05.2026, Annexes II and III