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ACETALDEHYDE ETHYL HEXYL ACETAL

CAS 54484-73-0
62

Safety score · 0–100

Fine

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

About

An acetal of acetaldehyde combined with 2-ethylhexanol, used as a fragrance ingredient providing fresh, green, and citrus-like notes.

This acetal is formed from acetaldehyde and 2-ethylhexanol, functioning as a fragrance ingredient. Acetaldehyde itself is a known fragrance allergen and respiratory sensitizer. While the acetal form is more chemically stable, IFRA restricts acetaldehyde derivatives in cosmetics. Under EU Annex III, certain acetaldehyde derivatives are limited due to the parent compound's toxicological profile. PubChem lists a safety score of 78, reflecting moderate concern.

Known concerns

  • Parent compound acetaldehyde is a recognized fragrance allergen
  • IFRA-restricted acetaldehyde derivative
  • Potential respiratory sensitization at high airborne concentrations

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.