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Fragrance

2-METHYLPENT-2-ENOIC ACID

CAS 3142-72-1
58

Safety score · 0–100

Moderate

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

A short branched unsaturated carboxylic acid with a sweet fruity note used in trace fragrance/flavor work. Mild irritation and class-level sensitization concern.

Function

PERFUMING

Skin benefits

  • Fruity fragrance note

Known concerns

  • Alpha,beta-unsaturated acid sensitizer class
  • Mild irritant

References

EU

EU CosIng database

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

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2-METHYLPENT-3-ENOIC ACID
Fragrance

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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.