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Fragrance

ISOBUTYL BUTYRATE

CAS 539-90-2 Updated
60

Safety score · 0–100

Fine

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

About

A small fruity-smelling ester used in fragrance. Skin tolerance at typical perfumery levels is fine, but it's flammable and irritating in concentrate.

Function

PERFUMING

Skin benefits

  • Fragrance
  • Aromatic note

Known concerns

  • Flammable
  • Eye/respiratory irritation in concentrate
  • Fragrance allergen potential

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.