Cyclohexanol, 4-ethylidene-2-propoxy- (CAS 1631145-48-6) — Green Middle Note Fragrance Ingredient
Cyclohexanol, 4-ethylidene-2-propoxy-
CAS 1631145-48-6
What Is Cyclohexanol, 4-ethylidene-2-propoxy-?
Cyclohexanol, 4-ethylidene-2-propoxy- is a synthetic fragrance ingredient primarily used in modern perfumery. It’s found in niche and designer fragrances aiming for unique olfactory profiles. This molecule matters because it represents perfumery’s cutting edge—creating novel scents that don’t exist in nature, expanding creative possibilities beyond traditional botanical extracts.
Safety Profile
GENERALLY SAFEWhat Does Cyclohexanol, 4-ethylidene-2-propoxy- Smell Like?
Cyclohexanol, 4-ethylidene-2-propoxy- delivers a fresh, slightly woody-herbaceous character with subtle citrus undertones. The propoxy group lends a clean, almost ozonic quality that evolves into a smooth, slightly sweet base. Imagine the crispness of crushed green stems meeting the transparency of mountain air, with a lingering warmth reminiscent of sun-washed rocks.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used as a primary accord for its transparent woody-green character, creating a minimalist scent architecture that highlights synthetic purity.
Chemistry, Properties & Perfumer Guide
The Chemistry
This synthetic cyclohexanol derivative features an ethylidene group at position 4 and a propoxy group at position 2. The molecule belongs to the class of ether-alcohols, combining the stability of cyclic alcohols with the volatility-modifying effects of ether linkages. Synthesis typically involves nucleophilic substitution reactions on cyclohexanol precursors.
Physical & Chemical Properties
| Boiling Point | Not established |
|---|---|
| Density | Not established |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-3% | Up to 5% | Modern woody-green modifier |
| Functional Fragrances | 0.5-1% | Up to 2% | Clean scent applications |
Classic Accords
Tip: Use to add structural crispness to woody compositions without overpowering floral elements.
Alternatives & Comparisons
Offers similar green-woody characteristics with more established safety data and better volatility control.
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
Under evaluation by RIFM as a novel fragrance material.
Sustainability
As a synthetic material, production avoids agricultural impacts but requires petrochemical feedstocks. Future development may focus on greener synthesis routes or bio-based precursors.
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