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Fragrance

2-METHYLPENT-3-ENOIC ACID

CAS 37674-63-8
58

Safety score · 0–100

Moderate

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

A small unsaturated branched fragrance acid (2-methylpent-3-enoic acid) used to add character to scent blends. Use-with-awareness: short-chain unsaturated acids in this family are known fragrance sensitizers in some users.

Function

PERFUMING

Skin benefits

  • Provides characteristic fragrance note
  • Functions as fragrance fixative

Known concerns

  • Potential skin sensitizer in fragrance class
  • Unsaturated short-chain acid may irritate
  • Limited consumer-safety dossier

References

EU

EU CosIng database

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

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2-METHYLPENT-2-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.