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Fragrance

PHENYLETHOXYACETALDEHYDE

CAS 41847-88-5
62

Safety score · 0–100

Fine

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

A floral-green fragrance aldehyde used as a perfume component. Reactive chemistry and thin public safety data warrant some caution.

Phenylethoxyacetaldehyde (CAS 41847-88-5) is a synthetic fragrance aldehyde with a floral, hyacinth-like character, used in perfumery as a minor component of floral and green accords. As an alpha-alkoxy aldehyde it carries the general reactivity of aldehyde fragrances — some potential for skin-protein binding, a known mechanism underlying fragrance sensitization. It is not on the EU Annex III 26-allergen list, but IFRA guidance for fragrance aldehydes generally calls for conservative use levels. Public cosmetic-safety data is limited. Not a commonly-encountered ingredient in mainstream skincare; used in fine fragrance compositions.

Skin benefits

  • Floral-green fragrance aldehyde
  • Minor role in perfume compositions

Known concerns

  • Alpha-alkoxy aldehyde — reactive chemistry
  • Aldehyde fragrances carry sensitization potential
  • Limited public cosmetic-safety data

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, so always read the physical product label and consult a healthcare professional for personal concerns.