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P-CRESYLOXYACETALDEHYDE DIMETHYL ACETAL

CAS 6324-78-3
42

Safety score · 0–100

Moderate

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

An acetal fragrance precursor that can release p-cresol upon cleavage, with skin irritation and sensitization concerns.

p-Cresyloxyacetaldehyde dimethyl acetal functions as a fragrance ingredient that may slowly hydrolyze to release p-cresol, a known skin sensitizer. The 'Warning' signal word (H226 - flammable) and skin irritation warnings (GHS H315/H319) indicate moderate concern. Its use in leave-on cosmetics requires careful formulation control.

Known concerns

  • Potential skin irritant (H315/H319)
  • Flammable (H226 - Warning signal word)
  • Precursor to p-cresol (known sensitizer)
  • Limited data for cosmetic safety assessment

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.