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2-ETHYL-4-HYDROXY-5-METHYLFURAN-3(2H)-ONE

CAS 27538-10-9
45

Safety score · 0–100

Moderate

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

About

2-ethyl-4-hydroxy-5-methylfuran-3(2h)-one is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

This furanone derivative is used as a fragrance and flavoring ingredient in cosmetics. Classified with H302 (harmful if swallowed), H315 (skin irritation), and H319 (eye irritation), it requires caution in formulation. It is not specifically restricted in EU Annex III but sensitization potential necessitates appropriate use levels, particularly in leave-on products.

Skin benefits

  • Provides pleasant fragrance to cosmetic formulations

Known concerns

  • Skin sensitizer potential (H315)
  • Eye irritant (H319)
  • Acute oral toxicity concern (H302)
  • Requires concentration control in leave-on products

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.