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Fragrance acetal

6-DIETHOXYMETHYL-HEXAHYDRO-METHANO-1H-INDENE

CAS 67633-93-6
55

Safety score · 0–100

Moderate

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

Bicyclic hexahydroindene diethyl acetal used as a synthetic fragrance ingredient for woody-marine notes. Limited skin-safety data warrants conservative use within IFRA guidance.

Function

PERFUMING

Skin benefits

  • Provides woody/marine fragrance character
  • Used in trace amounts in fine fragrance

Known concerns

  • Complex hydrocarbon-acetal fragrance with limited toxicology
  • Possible sensitisation
  • Should be used per IFRA limits

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.