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Raspberry ketone

4-(4-Hydroxyphenyl)butan-2-one

Frambinone, 4-(4-Hydroxyphenyl)-2-butanone

Phenol ketone · Phenolic ketone · C₁₀H₁₂O₂

Chemical structure of Raspberry ketone
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
5471-51-2
Molecular formula
C₁₀H₁₂O₂
Molecular weight
164.20 g/mol
Origin
Nature-identical
Odor family
Fruity
Note
Base
Aroma
Ripe raspberry and jam, sweet and faintly floral.

History

Raspberry ketone is the character odorant of raspberry. Its level in the fruit is very low, so commercial material is mostly synthetic.

In perfumery

Used for raspberry and red fruit accords; it is a solid usually pre-dissolved.

Connections

EvokesRaspberry
Found in natureRaspberry

Regulatory status

IFRA restricted
IFRA 51
Restricted by an IFRA Standard (entry "4-(4-Hydroxyphenyl)butan-2-one"), 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 5471-51-2
  2. IFRA Standards Library, Amendments up to 51
  3. Regulation (EC) No 1223/2009, consolidated text of 18.05.2026, Annexes II and III