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

CAS 25524-95-2
53

Safety score · 0–100

Moderate

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

About

Cis-Tetrahydro-6-Pent-2-Enyl-Pyran-2-One is a cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.

cis-Tetrahydro-6-pent-2-enyl-pyran-2-one is a unsaturated gamma-lactone (a six-membered ring lactone with a pent-2-enyl substituent) used as a fragrance ingredient. It carries GHS hazard statements H315 (skin irritation), H319 (eye irritation), and H335 (may cause respiratory irritation), classified with signal word 'Warning'. It is not restricted in EU CosIng Annex III but these hazard classifications require appropriate handling controls in manufacturing and limit its use to low concentrations in well-formulated cosmetic products.

Known concerns

  • H315 — causes skin irritation
  • H319 — causes serious eye irritation
  • H335 — may cause respiratory irritation

References

EU

EU CosIng database

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

Related others

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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.