Fragrance
TRIMETHYLBICYCLO-4-HEPTEN-3-YLMETHYL ACETATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A bicyclic terpenoid acetate with a woody-camphoraceous character. Oxidation-prone terpene scaffold — use with antioxidant protection.
Trimethylbicyclo-4-hepten-3-ylmethyl acetate (CAS 15103-33-0) is a norbornene-family bicyclic acetate with a woody, slightly camphoraceous fragrance profile. Related structurally to camphene/borneol chemistry. The ring double bond makes it moderately oxidation-prone, with peroxide formation as the main long-term concern. Used at trace levels in finished fragrance. RIFM/IFRA cover the broader bicyclic terpene family; public monograph-level data is limited.
Skin benefits
- Woody-camphoraceous fragrance character
- Low use level
- Natural terpene-like origin
Known concerns
- Ring alkene auto-oxidation
- Peroxide formation with age
- Fragrance-class sensitization baseline
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related fragrances
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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.