TETRAHYDRO-6-PENT-3-ENYL-PYRAN-2-ONE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
TETRAHYDRO-6-PENT-3-ENYL-PYRAN-2-ONE is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.
This unsaturated gamma-lactone acts as a fragrance ingredient imparting sweet, fruity, coumarin-like notes. It carries an H319 classification for serious eye irritation under EU GHS regulations. The presence of both a double bond and lactone carbonyl in the structure contributes to its reactivity and potential for sensitisation. Concentration restrictions may apply in eye-area products specifically.
Skin benefits
- Imparts sweet, fruity fragrance notes to cosmetic products
Known concerns
- H319: Causes serious eye irritation
- EU signal word 'Warning' required
- Potential for skin sensitisation due to unsaturated lactone moiety
References
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.