(Z)-Non-6-enyl acetate (CAS 76238-22-7) — Green Top to middle Note Fragrance Ingredient

ByThe Good Scents
Green · Floral

(Z)-Non-6-enyl acetate

CAS 76238-22-7

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

What Is (Z)-Non-6-enyl acetate?

(Z)-Non-6-enyl acetate is a synthetic fragrance ingredient that creates fresh, green, and slightly fruity effects in perfumes. It’s often used to enhance floral compositions with a crisp, dewy quality. This molecule matters because it provides a natural-smelling green note without relying on plant extracts, making fragrances more sustainable and consistent in performance.

Safety Profile

GENERALLY SAFE
Generally safeUse with awarenessProfessional use
✓ No major restrictions
⚠ Always patch test new formulations
CAS
76238-22-7
Formula
Mixture
MW
Variable
Odor Family
Green · Floral
Layer 1 · Enthusiast

What Does (Z)-Non-6-enyl acetate Smell Like?

(Z)-Non-6-enyl acetate bursts with the crispness of freshly cut cucumber peel and the dewy greenness of lily stems. The opening has a melon-like sweetness that quickly settles into a clean, watery green character reminiscent of morning dew on grass. As it dries down, it reveals a subtle floral undertone akin to the green freshness behind violet leaves. The overall effect is like walking through a greenhouse after watering – moist, vegetal, and alive with green energy.

Scent Profile
Layer 2

2D Molecular Structure

6-Nonenyl acetate, (6Z)-

SMILES: CC\C=C/CCCCCOC(C)=O

Chemistry, Properties & Perfumer Guide

The Chemistry

(Z)-Non-6-enyl acetate belongs to the class of unsaturated fatty acid esters. The Z-configuration at the double bond gives it distinctive green character. Industrially produced via esterification of (Z)-non-6-en-1-ol with acetic anhydride under controlled conditions. The cis-double bond at position 6 is crucial for its fresh odor profile, differentiating it from saturated analogs which lack the vibrant green character.

Physical & Chemical Properties

Perfumer Guide

Note Position
Top to middle
Volatility
Medium (1-3 hours)
Blending
Good
ApplicationTypical %RangeNotes
Fine Fragrance0.5-2%Up to 5%Green floral modifier
Functional Fragrance0.1-0.5%Up to 1%Freshness booster

Classic Accords

Tip: Use to add naturalistic green effects without the earthiness of some plant extracts.

Alternatives & Comparisons

1
Hexenyl cis-3-acetate CAS 3681-71-8

More intensely green with a stronger leaf alcohol character, useful when a sharper green note is desired.

2
Verdox CAS 88-41-5

Provides similar green freshness but with better stability and less fruity undertones.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

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

IFRA Status

No IFRA restrictions currently apply.

RIFM Assessment

Not currently evaluated by RIFM.

Sustainability

As a synthetic material, (Z)-Non-6-enyl acetate offers consistent quality without seasonal variations. Production typically uses petrochemical feedstocks, though bio-based routes are being explored. Its potency means relatively small quantities are needed, reducing environmental load compared to some natural alternatives.

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References

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

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    Ingredient Data Sheet

    CAS 76238-22-7

    Physical Properties

    Molecular Weight184.27 g/mol🔬 PubChem
    LogP (Octanol-Water)3.1🔬 PubChem
    Boiling Point220 °C🔬 EPA CompTox
    Vapor Pressure0.0676 mmHg @ 25°C📊 OPERA
    Flash Point89.3 °C🔬 EPA CompTox
    Involatility Index0.0054💻 Calculated
    log Kp (skin permeability)-1.623💻 Calculated
    SMILESCCC=CCCCCCOC(=O)C🔬 PubChem

    Volatility & Performance

    Fragrance NoteHeart💻 Calculated
    Volatility ClassVery slow💻 Calculated
    Persistence Score2.2 / 5💻 Calculated

    Odor & Flavor

    Functional Groupsesteretheralkene💻 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: DTXSID701015297

    Physical Properties

    Molecular Weight 184.279 g/mol🔬 EPA CompTox
    Density 0.888 g/cm^3📊 OPERA
    Boiling Point 230.631 °C📊 OPERA
    Melting Point -37.741 °C📊 OPERA
    Flash Point 91.004 °C📊 OPERA
    Refractive Index 1.442 Dimensionless📊 OPERA
    Molar Volume 207.207 cm^3/mol📊 OPERA

    Partition & Solubility

    LogP (Octanol-Water) 3.939 Log10 unitless📊 OPERA
    LogD (pH 5.5) 3.939 Log10 unitless📊 OPERA
    LogD (pH 7.4) 3.939 Log10 unitless📊 OPERA
    LogKoa (Octanol-Air) 5.88 Log10 unitless📊 OPERA
    Water Solubility 0.001 mol/L📊 OPERA
    Henry's Law Constant 0 atm-m3/mole📊 OPERA

    Transport Properties

    Vapor Pressure 0.048 mmHg📊 OPERA
    Viscosity 1.902 cP📊 OPERA
    Surface Tension 27.837 dyn/cm📊 OPERA
    Thermal Conductivity 140.351 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 7 count💻 Computed
    Aromatic Rings 0 count💻 Computed
    Molar Refractivity 54.843 cm^3/mol📊 OPERA
    Polarizability 21.741 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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