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Allyl hexanoate

Prop-2-enyl hexanoate

Allyl caproate

Ester allyl · Allyl ester · C₉H₁₆O₂

Chemical structure of Allyl hexanoate
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
123-68-2
Molecular formula
C₉H₁₆O₂
Molecular weight
156.22 g/mol
Origin
Synthetic
Odor family
Fruity
Note
Top
Aroma
Ripe pineapple, sweet, slightly like fruit brandy.

History

Allyl hexanoate (allyl caproate) is one of the older synthetic pineapple esters. The allyl group makes it sharper and more lifelike than the matching ethyl ester.

In perfumery

Used in pineapple and tropical fruit accords and in flavours.

Connections

EvokesPineapple

Regulatory status

Allyl alcohol limit
IFRA 51
Covered by the group IFRA Standard "Allyl esters" (Specification, published 2009): allyl esters may be used only if free allyl alcohol in the ester is below 0.1%.
EU CosReg
Annex III, entry 140. As an allyl ester it falls under Annex III: free allyl alcohol in the ester must be below 0.1%.
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 123-68-2
  2. IFRA Standards Library, Amendments up to 51
  3. Regulation (EC) No 1223/2009, consolidated text of 18.05.2026, Annexes II and III