Woody · Floral

1-Cyclohexylethanol

CAS 1193-81-3

Origin

synthetic

Note

Middle

IFRA

Generally safe

Data as of: Apr 2026

What Is 1-Cyclohexylethanol?

1-Cyclohexylethanol is a synthetic fragrance ingredient used in perfumes and household products. It contributes a clean, slightly floral-woody scent. Consumers encounter it in fabric softeners, detergents, and some personal care products. This versatile molecule helps create long-lasting freshness in functional fragrances while being cost-effective for mass-market applications.

Safety Profile

GENERALLY SAFE

Generally safeUse with awarenessProfessional use

✓ Not classified as hazardous

✓ No known allergen status

CAS

1193-81-3

Formula

Mixture

Variable

Odor Family

Woody · Floral

Layer 1 · Enthusiast

What Does 1-Cyclohexylethanol Smell Like?

1-Cyclohexylethanol presents a crisp, clean odor profile reminiscent of freshly laundered linen with subtle floral undertones. The initial impression is mildly alcoholic, evolving into a soft woody-heart reminiscent of sandalwood shavings. As it dries down, it leaves a faintly sweet, almost powdery trace that blends seamlessly with musky bases. The overall effect is like a sun-drenched cotton shirt in a cedar-lined closet – simple, comforting, and unobtrusively pleasant.

Scent Profile

In Famous Fragrances

Fragrance associations may not reflect actual formulations.

Clean Reserve Warm Cotton(Clean, 2015)

Used as a laundry-adjacent note to amplify the fabric-softener effect while adding subtle woody depth to this popular linear fragrance.

The Laundress Signature(The Laundress, 2010)

Provides the ‘just-washed’ freshness in this fabric care line without the harshness of traditional aldehydes.

Layer 2

2D Molecular Structure

SMILES: CC(O)C1CCCCC1

Chemistry, Properties & Perfumer Guide

The Chemistry

1-Cyclohexylethanol is a secondary alcohol with a cyclohexyl substituent. Industrially produced via hydrogenation of acetophenone derivatives or through Grignard reactions. The cyclohexane ring provides conformational stability while the ethanol group offers moderate polarity. No significant chirality effects have been reported for fragrance applications. Its simple structure makes it economically viable for high-volume production while delivering consistent odor characteristics.

Physical & Chemical Properties

Appearance	Colorless liquid
Boiling Point	198-200 °C
Density	0.92 g/cm³
Solubility	Slightly soluble in water, miscible with alcohol

Perfumer Guide

Note Position

Middle

Volatility

Medium (2-4 hours)

Blending

Good

Application	Typical %	Range	Notes
Functional Fragrances	1-5%	Up to 10%	For fresh linen effects
Fine Fragrance	0.5-2%	Up to 5%	As a clean woody modifier

Classic Accords

+ Galaxolide = Fresh laundry + Coumarin = Clean woods

Tip: Use with musks to enhance diffusion in fabric care applications.

Alternatives & Comparisons

Phenoxyethanol CAS 122-99-6

When more floral character is desired with similar stability profile.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

General reference only. Consult current IFRA Standards Library before formulating.

IFRA Status

No restrictions under current IFRA standards.

RIFM Assessment

Not currently assessed by RIFM.

Sustainability

As a petrochemical derivative, its production carries typical carbon footprint concerns of synthetic aromatics. However, its efficiency at low usage levels and biodegradability profile make it relatively sustainable compared to some complex synthetics. Future bio-based production routes could improve its green credentials.

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References

PubChem Compound Summary for 1-Cyclohexylethanol CID 14439

Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.

Report a data error

PRODUCT APPLICATIONS

Fine Perfumery Soap Candles Shower Gel Air Fresheners Detergent Fabric Softener Cosmetics Shampoo Cleaners

FRAGRANCE ACCORDS

Fougère Chypre Oriental Gourmand Woody Amber Aquatic Aromatic Leather Floral Citrus Powdery Green Fresh/Clean

Browse Full Catalog → IFRA Guidelines →

Ingredient Data Sheet

CAS 1193-81-3

Physical Properties

Molecular Weight	128.21 g/mol🔬 PubChem
LogP (Octanol-Water)	2.3🔬 PubChem
Boiling Point	195.8 °C🔬 EPA CompTox
Vapor Pressure	0.276 mmHg @ 25°C📊 OPERA
Flash Point	83 °C🔬 EPA CompTox
Involatility Index	0.0263💻 Calculated
log Kp (skin permeability)	-1.849💻 Calculated
SMILES	CC(C1CCCCC1)O🔬 PubChem

Volatility & Performance

Fragrance Note	Heart💻 Calculated
Volatility Class	Slow💻 Calculated
Persistence Score	0.8 / 5💻 Calculated

Odor & Flavor

Primary Descriptors	fruityherbal• leffingwell
Functional Groups	alcohol💻 RDKit

Data Sources & Attribution
Physical data: PubChem (NIH/NLM), U.S. EPA CompTox Dashboard, EPA OPERA models, RDKit. Odor & flavor: Arctander (Perfume & Flavor Chemicals), Fenaroli's Handbook of Flavor Ingredients, Leffingwell. Thresholds: van Gemert (Compilations of Odour Threshold Values). Regulatory: IFRA Standards 51st, FEMA GRAS. Trade names: Surburg (Common Fragrance & Flavor Materials). All data compiled and cross-referenced for perfumertools.com.

Physicochemical Properties

DTXSID: DTXSID7047643

Physical Properties

Molecular Weight	128.215 g/mol🔬 EPA CompTox
Density	0.926 g/cm^3🔬 EPA CTX
Boiling Point	192.4 °C🔬 EPA CTX
Melting Point	17.196 °C📊 OPERA
Flash Point	74.288 °C🔬 EPA CTX
Refractive Index	1.463 Dimensionless📊 OPERA
Molar Volume	139.563 cm^3/mol📊 OPERA

Partition & Solubility

LogP (Octanol-Water)	1.6 Log10 unitless🔬 EPA CTX
LogD (pH 5.5)	2.248 Log10 unitless📊 OPERA
LogD (pH 7.4)	2.248 Log10 unitless📊 OPERA
LogKoa (Octanol-Air)	5.9 Log10 unitless📊 OPERA
Water Solubility	0.048 mol/L📊 OPERA
Henry's Law Constant	0 atm-m3/mole📊 OPERA

Transport Properties

Vapor Pressure	0.276 mmHg🔬 EPA CTX
Viscosity	13.478 cP📊 OPERA
Surface Tension	31.588 dyn/cm📊 OPERA
Thermal Conductivity	138.439 mW/(m*K)📊 OPERA

Molecular Descriptors

Topological Polar Surface Area	20.23 Å²💻 Computed
H-Bond Donors	1 count💻 Computed
H-Bond Acceptors	1 count💻 Computed
Rotatable Bonds	1 count💻 Computed
Aromatic Rings	0 count💻 Computed
Molar Refractivity	38.437 cm^3/mol📊 OPERA
Polarizability	15.238 Å^3📊 OPERA

Data Sources:

🔬 EPA Experimental data from U.S. EPA CompTox Chemicals Dashboard & CTX APIs. 📊 OPERA Predicted using EPA's OPERA QSAR models. 💻 Computed Calculated from SMILES using RDKit.

Related Research

1-Cyclohexylethanol (CAS 1193-81-3) — Woody Middle Note Fragrance Ingredient

1-Cyclohexylethanol