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Fragrance

OCTAHYDRO-TETRAMETHYLCYCLOPROPANAPHTHALENONE

CAS 25966-79-4 Updated
66

Safety score · 0–100

Fine

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

About

A polycyclic woody-amber fragrance ketone used as a perfumery building block. PubChem returns no GHS hazards; cosmetic-specific safety data is thin.

Function

PERFUMING

Skin benefits

  • Woody amber scent
  • Substitute for restricted musks

Known concerns

  • Limited public dossier
  • Possible mild irritant
  • Class persistence concerns

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.