Ethanone, 1-(2,3-dimethylbicyclo[2.2.1]hept-2-yl)- (CAS 854737-10-3) — Woody Middle Note Fragrance Ingredient
Ethanone, 1-_(2,_3-_dimethylbicyclo[2.2._1]_hept-_2-_yl)_-
CAS 854737-10-3
What Is Ethanone, 1-_(2,_3-_dimethylbicyclo[2.2._1]_hept-_2-_yl)_-?
This synthetic fragrance ingredient is a specialized compound used in modern perfumery to create unique olfactory effects. It’s found in niche and experimental fragrances. Though not widely recognized by name, it contributes to complex scent profiles that push creative boundaries in contemporary perfume design.
Safety Profile
USE WITH AWARENESSWhat Does Ethanone, 1-_(2,_3-_dimethylbicyclo[2.2._1]_hept-_2-_yl)_- Smell Like?
This bicyclic ketone delivers a sharp, camphoraceous opening with woody-herbal undertones. The initial burst evolves into a dry, pine-like heart with subtle smoky facets. In dry-down, it leaves a lingering mineralic impression reminiscent of hot stones or volcanic ash. The overall effect is angular and modern, with excellent diffusion that makes it useful for creating structural elements in avant-garde compositions.
Chemistry, Properties & Perfumer Guide
The Chemistry
This bicyclic ketone belongs to the class of bridged polycyclic compounds, characterized by its rigid molecular framework. The dimethyl substitution pattern on the bicyclo[2.2.1]heptane skeleton creates steric constraints that influence its odor profile. Synthesized through Diels-Alder reactions followed by oxidation, its production requires specialized organic chemistry techniques. The strained geometry contributes to its distinctive volatility pattern and olfactory characteristics.
Physical & Chemical Properties
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.1-0.5% | Up to 1% | Used as structural element |
| Functional Fragrance | 0.05-0.2% | Up to 0.5% | Limited applications |
Classic Accords
Tip: Use in trace amounts to add dimensionality to woody bases without overwhelming the composition.
Alternatives & Comparisons
Offers similar woody-mineralic effects with better substantivity and more established safety profile.
Provides comparable structural woody character with less harshness in top notes.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not currently restricted by IFRA standards.
RIFM Assessment
No RIFM assessment available for this specific compound.
Sustainability
As a synthetic material, production involves petrochemical feedstocks and energy-intensive processes. The specialized synthesis route limits large-scale production, making it a boutique material with corresponding environmental impacts. Future green chemistry approaches may improve its sustainability profile.
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