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TETRAHYDRO-6-PENT-2-ENYL-PYRAN-2-ONE

CAS 34686-71-0
55

Safety score · 0–100

Moderate

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

About

TETRAHYDRO-6-PENT-2-ENYL-PYRAN-2-ONE is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.

This tetrahydro-pyran-2-one derivative is a gamma-lactone with fruity, coconut-like odor characteristics used as a fragrance ingredient. Alpha,beta-unsaturated lactones can show skin sensitization potential. It is not specifically listed in EU Annexes II or III, indicating no outright prohibition. IFRA guidelines apply for safe use concentrations in cosmetic formulations.

Known concerns

  • Skin sensitization potential (alpha,beta-unsaturated lactone)
  • IFRA restriction applies

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.