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Fragrance

2-ETHYLBUTYRIC ACID

CAS 88-09-5 Updated
60

Safety score · 0–100

Fine

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

About

A branched short-chain fatty acid (CAS 88-09-5) used as a fragrance and flavouring material. Contributes tangy, sweaty notes in perfumery; raw form is corrosive but trace-level use is well tolerated.

Function

PERFUMING

Skin benefits

  • Adds tangy fragrance/flavour notes

Known concerns

  • GHS skin/eye corrosion in concentrate
  • Pungent odour at higher levels
  • Fragrance use restrictions apply

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.