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Fragrance Ingredient

ISOBUTYL ISOBUTYRATE

CAS 97-85-8
55

Safety score · 0–100

Moderate

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

A small fruity-smelling ester used in tiny amounts as a fragrance or solvent. It evaporates quickly and adds a fresh scent, but it is flammable and can irritate skin at high levels.

Skin benefits

  • Lightweight ester used as a fragrance and solvent component
  • Provides a fruity, sweet scent profile in finished cosmetics
  • Helps solubilize other oily fragrance materials

Known concerns

  • Classified as flammable liquid with GHS H225 hazards in concentrate form
  • Can irritate skin and eyes at higher concentrations
  • Volatile organic compound contributing to indoor air emissions
  • Limited dedicated safety review for cosmetic exposure routes

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.