Fragrance
1,5,9-TRIMETHYL-OXABICYCLOTRIDECADIENE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
An oxa-macrocyclic diene specialty fragrance (woody-amber facets). Limited public data on this class; scored cautiously.
1,5,9-Trimethyl-oxabicyclotridecadiene (CAS 13786-79-3 / 71735-79-0) is an oxa-macrocyclic diene specialty fragrance material used for woody/amber notes. Macrocyclic scaffolds are generally well-tolerated, but public toxicology data on this specific compound are sparse. IFRA/RIFM govern industry use. Not on EU Annex II.
Function
Skin benefits
- Woody-amber fragrance note
- Macrocyclic scaffold
Known concerns
- Thin public dossier
- Isomer mixture
- Specialty material
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.