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Fragrance

ISOAMYL ISOVALERATE

CAS 659-70-1 Updated
70

Safety score · 0–100

Fine

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

About

A simple branched-chain ester (isoamyl + isovaleric acid). Sweet fruity-apple fragrance and flavour material; routinely well tolerated at fragrance dilutions.

Function

PERFUMING

Skin benefits

  • Sweet fruity-apple fragrance ester
  • Common flavour/fragrance use

Known concerns

  • Possible mild skin sensitiser
  • IFRA-restricted
  • Naturally occurring at low levels in fruits

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 — always read the physical product label and consult a healthcare professional for personal concerns.