2-Octen-1-ol, 1-acetate (CAS 2371-13-3) — Green Top Note Fragrance Ingredient

Green · Floral

2-_Octen-_1-_ol, 1-_acetate

CAS 2371-13-3

Origin
synthetic
Note
Top
IFRA
Generally safe
Data as of: Apr 2026

What Is 2-_Octen-_1-_ol, 1-_acetate?

2-Octen-1-ol, 1-acetate is a synthetic fragrance ingredient often found in perfumes and body care products. It contributes a fresh, green, and slightly fruity aroma. This compound is valued for its ability to enhance natural freshness in fragrances, making it popular in floral and citrus compositions.

Safety Profile

GENERALLY SAFE
Generally safeUse with awarenessProfessional use
Safe in regulated products
Check for individual sensitivities
CAS
2371-13-3
Formula
Mixture
MW
Variable
Odor Family
Green · Floral
Layer 1 · Enthusiast

What Does 2-_Octen-_1-_ol, 1-_acetate Smell Like?

2-Octen-1-ol, 1-acetate offers a crisp, green aroma with a hint of fruity undertones. It evolves from a fresh top note to a subtle, lingering green heart. The dry-down is clean and slightly woody, making it versatile in modern perfumery.

Scent Profile
Layer 2

2D Molecular Structure

2-Octen-1-ol, 1-acetate

SMILES: CCCCCC=CCOC(C)=O

Chemistry, Properties & Perfumer Guide

The Chemistry

2-Octen-1-ol, 1-acetate is an ester derived from 2-octen-1-ol. It is synthesized through esterification processes. The compound is known for its stability and compatibility with other fragrance ingredients.

Physical & Chemical Properties

Boiling PointN/A
DensityN/A

Perfumer Guide

Note Position
Top
Volatility
Medium (1-2 hours)
Blending
Good
ApplicationTypical %RangeNotes
Fine Fragrance1-5%Up to 10%Adds fresh green nuances
Body Care0.5-3%Up to 5%Enhances freshness

Classic Accords

Tip: Use to add a crisp green note to floral and citrus accords.

Alternatives & Comparisons

1
Hexenyl acetate CAS 3681-71-8

Offers a similar green note but with a more pronounced leafy character.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

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

IFRA Status

No restrictions under IFRA standards.

RIFM Assessment

RIFM safety assessment confirms safe use in fragrances.

Sustainability

Synthetic production ensures consistent quality and reduces environmental impact compared to natural extraction methods.

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References

  1. PubChem Compound Summary for 2-Octen-1-ol, 1-acetate PubChem

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

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Physicochemical Properties

DTXSID: DTXSID40862907

Physical Properties

Molecular Weight 170.252 g/mol🔬 EPA CompTox
Density 0.893 g/cm^3📊 OPERA
Boiling Point 210.414 °C📊 OPERA
Melting Point -45.116 °C📊 OPERA
Flash Point 81.066 °C📊 OPERA
Refractive Index 1.44 Dimensionless📊 OPERA
Molar Volume 190.7 cm^3/mol📊 OPERA

Partition & Solubility

LogP (Octanol-Water) 3.717 Log10 unitless📊 OPERA
LogD (pH 5.5) 3.717 Log10 unitless📊 OPERA
LogD (pH 7.4) 3.717 Log10 unitless📊 OPERA
LogKoa (Octanol-Air) 5.06 Log10 unitless📊 OPERA
Water Solubility 0.002 mol/L📊 OPERA
Henry's Law Constant 0 atm-m3/mole📊 OPERA

Transport Properties

Vapor Pressure 0.131 mmHg📊 OPERA
Viscosity 1.501 cP📊 OPERA
Surface Tension 27.409 dyn/cm📊 OPERA
Thermal Conductivity 139.853 mW/(m*K)📊 OPERA

Molecular Descriptors

Topological Polar Surface Area 26.3 Ų💻 Computed
H-Bond Donors 0 count💻 Computed
H-Bond Acceptors 2 count💻 Computed
Rotatable Bonds 6 count💻 Computed
Aromatic Rings 0 count💻 Computed
Molar Refractivity 50.21 cm^3/mol📊 OPERA
Polarizability 19.905 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.

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