2-Cyclohexylethyl alcohol (CAS 4442-79-9) — Woody Base Note Fragrance Ingredient
2-Cyclohexylethyl alcohol
CAS 4442-79-9
What Is 2-Cyclohexylethyl alcohol?
2-Cyclohexylethyl alcohol is a synthetic fragrance ingredient used in perfumes and personal care products. It contributes a subtle, woody-alcoholic character to formulations. This molecule helps perfumers create long-lasting base notes with a clean, slightly sweet undertone that blends well with many fragrance families.
Safety Profile
GENERALLY SAFEWhat Does 2-Cyclohexylethyl alcohol Smell Like?
2-Cyclohexylethyl alcohol presents a clean, mildly woody aroma with subtle alcoholic undertones. Its scent evolves from a crisp initial impression to a smoother, slightly sweet base character. The dry-down reveals a faintly floral nuance that makes it versatile in woody-floral compositions. Compared to similar alcohols, it lacks harshness while maintaining good tenacity.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used as a modifier in woody bases to add diffusion and lift heavier materials without overpowering the composition.
Chemistry, Properties & Perfumer Guide
The Chemistry
2-Cyclohexylethyl alcohol is a secondary alcohol with a cyclohexyl substituent. As a synthetic material, it’s typically produced through hydrogenation of corresponding ketones or via Grignard reactions. The cyclohexyl group contributes to its stability and influences its odor profile compared to straight-chain alcohols.
Physical & Chemical Properties
| Appearance | Colorless liquid |
|---|---|
| Solubility | Soluble in alcohol |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-3% | Up to 5% | Base note modifier |
| Functional Fragrance | 0.5-2% | Up to 3% | Clean woody note |
Classic Accords
Tip: Use to soften harsh woody notes while maintaining diffusion.
Alternatives & Comparisons
More floral character with similar alcohol functionality but different odor profile.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not currently restricted by IFRA.
RIFM Assessment
No specific RIFM assessment found for this material.
Sustainability
As a synthetic material, production can be controlled with minimal environmental impact. No natural resources required, making it a sustainable choice when natural alternatives are scarce.
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References
- PubChem Compound Summary PubChem
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
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