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4-ETHOXYBENZALDEHYDE

CAS 10031-82-0
62

Safety score · 0–100

Fine

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

An aromatic aldehyde fragrance compound with a sweet, floral odor, classified as an EU-declared fragrance allergen requiring mandatory label disclosure.

4-Ethoxybenzaldehyde (para-ethoxybenzaldehyde) is an aromatic aldehyde used primarily as a fragrance ingredient for its sweet, slightly floral aroma reminiscent of heliotrope. Under EU Regulation 1223/2009 Annex III, it is identified as a fragrance allergen requiring declaration on ingredient lists when present above threshold concentrations (0.001% in leave-on, 0.01% in rinse-off products). It is not otherwise restricted in cosmetic formulations.

Skin benefits

  • Provides sweet floral fragrance
  • Widely used in perfumery for sweet and oriental notes

Known concerns

  • EU declared fragrance allergen requiring label declaration
  • Potential for skin sensitization in susceptible individuals
  • May contribute to fragrance respiratory irritation in aerosol 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, so always read the physical product label and consult a healthcare professional for personal concerns.