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Fragrance ester

CINNAMYL ISOBUTYRATE

CAS 103-59-3
62

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

Cinnamyl isobutyrate is a synthetic fragrance ester with a sweet, fruity-balsamic scent. It is commonly used at low concentrations in fine fragrance and cosmetic perfumery applications under IFRA limits.

Skin benefits

  • Provides sweet balsamic-cinnamon scent in fragranced products
  • Stable ester used at low percent levels in fine fragrance
  • Acceptable IFRA category usage when properly dosed

Known concerns

  • Potential skin sensitizer for cinnamyl-related fragrance allergens
  • EU 26 allergen relative as cinnamyl derivative may require labeling
  • Not suitable for fragrance-free or sensitive skin formulations

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.