(Z)-1-(1-Methoxypropoxy)hex-3-ene (CAS 97358-55-9) — Green Top to middle Note Fragrance Ingredient

ByThe Good Scents
Green · Woody

(Z)-1-(1-Methoxypropoxy)hex-3-ene

CAS 97358-55-9

Origin
synthetic
Note
Top to middle
IFRA
Use with awareness
Data as of: Apr 2026

What Is (Z)-1-(1-Methoxypropoxy)hex-3-ene?

(Z)-1-(1-Methoxypropoxy)hex-3-ene is a synthetic fragrance ingredient used in modern perfumery. It’s typically found in niche and avant-garde fragrances where unique green-metallic effects are desired. This compound matters because it can impart cutting-edge olfactory effects that are difficult to achieve with natural materials alone, helping perfumers create distinctive contemporary accords.

Safety Profile

USE WITH AWARENESS
Generally safeUse with awarenessProfessional use
✓ No major safety concerns reported
⚠ Limited toxicological data available
CAS
97358-55-9
Formula
Mixture
MW
Variable
Odor Family
Green · Woody
Layer 1 · Enthusiast

What Does (Z)-1-(1-Methoxypropoxy)hex-3-ene Smell Like?

This synthetic molecule offers a sharp, modern green character with metallic undertones and a faint rubbery nuance. It opens with a crisp, almost electrical quality reminiscent of crushed green stems, evolving into a cleaner, more transparent heart with ozonic facets. The dry-down reveals subtle fruity aspects that emerge when used in trace amounts, making it versatile for futuristic green accords.

Scent Profile
Layer 2

2D Molecular Structure

3-Hexene, 1-(1-methoxypropoxy)-, (3Z)-

SMILES: CC\C=C/CCOC(CC)OC

Chemistry, Properties & Perfumer Guide

The Chemistry

(Z)-1-(1-Methoxypropoxy)hex-3-ene belongs to the class of aliphatic ethers with an unsaturated carbon chain. Its structure features both an ether linkage and a Z-configured double bond, which contributes to its distinctive green-metallic odor profile. The molecule is synthesized through Williamson ether synthesis routes, with careful control of stereochemistry to maintain the desired (Z)-configuration that produces its characteristic odor.

Physical & Chemical Properties

Perfumer Guide

Note Position
Top to middle
Volatility
Moderate (2-4 hours)
Blending
Good with green and metallic notes
ApplicationTypical %RangeNotes
Fine Fragrance0.1-0.5%Up to 1%Used as a modern green modifier
Functional Fragrance0.01-0.1%Up to 0.3%For cutting-edge effects in small doses

Classic Accords

Tip: Use in micro-doses to add dimensionality to green compositions without overwhelming the formula.

Alternatives & Comparisons

1
Verdox CAS 88-41-5

A more conventional green note with better-known safety profile when a less metallic effect is desired.

2
Stemone CAS 63835-06-5

Offers similar green-stem character with additional earthy nuances for more naturalistic compositions.

Layer 3

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 RIFM assessment currently available for this material.

Sustainability

As a fully synthetic material, (Z)-1-(1-Methoxypropoxy)hex-3-ene has minimal environmental impact in terms of natural resource consumption. However, its synthetic production requires petrochemical feedstocks. The manufacturing process should be optimized for energy efficiency and waste reduction to improve its sustainability profile.

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References

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

    Report a data error

    Ingredient Data Sheet

    CAS 97358-55-9

    Physical Properties

    Molecular Weight172.26 g/mol🔬 PubChem
    LogP (Octanol-Water)2.8🔬 PubChem
    Boiling Point209 °C🔬 EPA CompTox
    Vapor Pressure0.6026 mmHg @ 25°C📊 OPERA
    Flash Point44.8 °C🔬 EPA CompTox
    Involatility Index0.0495💻 Calculated
    log Kp (skin permeability)-1.763💻 Calculated
    SMILESCCC=CCCOC(CC)OC🔬 PubChem

    Volatility & Performance

    Fragrance NoteTop💻 Calculated
    Volatility ClassSlow💻 Calculated
    Persistence Score0.5 / 5💻 Calculated

    Odor & Flavor

    Functional Groupsetheralkene💻 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: DTXSID90888773

    Physical Properties

    Molecular Weight 172.268 g/mol🔬 EPA CompTox
    Density 0.861 g/cm^3📊 OPERA
    Boiling Point 202.8 °C📊 OPERA
    Melting Point -66.674 °C📊 OPERA
    Flash Point 56.794 °C📊 OPERA
    Refractive Index 1.431 Dimensionless📊 OPERA
    Molar Volume 200.319 cm^3/mol📊 OPERA

    Partition & Solubility

    LogP (Octanol-Water) 2.618 Log10 unitless📊 OPERA
    LogD (pH 5.5) 2.618 Log10 unitless📊 OPERA
    LogD (pH 7.4) 2.618 Log10 unitless📊 OPERA
    LogKoa (Octanol-Air) 5 Log10 unitless📊 OPERA
    Water Solubility 0.01 mol/L📊 OPERA
    Henry's Law Constant 0.001 atm-m3/mole📊 OPERA

    Transport Properties

    Vapor Pressure 0.439 mmHg📊 OPERA
    Viscosity 1.404 cP📊 OPERA
    Surface Tension 25.346 dyn/cm📊 OPERA
    Thermal Conductivity 133.292 mW/(m*K)📊 OPERA

    Molecular Descriptors

    Topological Polar Surface Area 18.46 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 51.884 cm^3/mol📊 OPERA
    Polarizability 20.569 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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