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Fragrance

TRIMETHYLBICYCLOHEPT-2-YL PROPIONATE

CAS 20279-25-8
65

Safety score · 0–100

Fine

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

A synthetic bicyclic fragrance ester with woody-amber character. Standard RIFM/IFRA-governed fragrance material; no standout safety issues at fragrance use levels.

Trimethylbicyclohept-2-yl propionate (CAS 20279-25-8) is a propanoic-acid ester of a trimethylbicycloheptyl (camphene-family) alcohol, used as a fragrance ingredient with warm woody-amber olfactive character. It is a RIFM-reviewed fragrance material with IFRA standards governing its use levels. Related bicyclic terpene esters can develop oxidation products that are mild sensitizers; neat fresh material has low intrinsic skin irritation and sensitization. No EU Annex II/III restriction. Typical cosmetic concentration is well below 1% as a fragrance component. No genotoxicity, carcinogenicity, or reproductive-toxicity signals in public RIFM summaries.

Skin benefits

  • Synthetic fragrance ester with woody-amber character
  • Long-lasting scent component
  • Low volatility provides base-note fixation

Known concerns

  • Bicycloheptyl/camphene-derived esters can sensitize on oxidation
  • Subject to IFRA standards for fragrance use
  • Limited independent safety data beyond IFRA/RIFM

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.