1-Butanone, 3-(dodecylthio)-1-(2,6,6-trimethyl-3-cyclohexen-1-yl)- (CAS 543724-31-8) — Woody Middle to base Note Fragrance Ingredient

Woody · Balsamic

1-Butanone, 3-(dodecylthio)-1-(2,6,6-trimethyl-3-cyclohexen-1-yl)-

CAS 543724-31-8

Origin
synthetic
Note
Middle to base
IFRA
Professional use
Data as of: Apr 2026

What Is 1-Butanone, 3-(dodecylthio)-1-(2,6,6-trimethyl-3-cyclohexen-1-yl)-?

This synthetic fragrance ingredient is a specialized chemical compound used in modern perfumery. It’s found in select niche fragrances where unique olfactory effects are desired. While not commonly encountered in everyday products, it represents the innovative edge of fragrance chemistry.

Safety Profile

PROFESSIONAL USE
Generally safeUse with awarenessProfessional use
Limited safety data available
Requires professional handling
CAS
543724-31-8
Formula
Mixture
MW
Variable
Odor Family
Woody · Balsamic
Layer 1 · Enthusiast

What Does 1-Butanone, 3-(dodecylthio)-1-(2,6,6-trimethyl-3-cyclohexen-1-yl)- Smell Like?

This specialized synthetic molecule offers a complex olfactory profile that evolves from initial sharpness to a more rounded character. The sulfur-containing moiety provides an intriguing edge, while the cyclohexenyl structure contributes woody-ambery nuances. In dry-down, it reveals subtle leathery facets with a persistent trail.

Scent Profile
Layer 2

2D Molecular Structure

1-Butanone, 3-(dodecylthio)-1-(2,6,6-trimethyl-3-cyclohexen-1-yl)-

SMILES: CCCCCCCCCCCCSC(C)CC(=O)C1C(C)C=CCC1(C)C

Chemistry, Properties & Perfumer Guide

The Chemistry

This synthetic ketone-thioether hybrid combines a cyclohexenyl structure with a dodecylthio side chain. The molecule’s complexity arises from the strategic placement of sulfur adjacent to the carbonyl group, creating unique electronic and steric effects. Synthesis typically involves multi-step organic reactions including thiol-ene additions and ketone formation under controlled conditions.

Physical & Chemical Properties

Molecular TypeSynthetic ketone-thioether
ComplexityHigh molecular complexity

Perfumer Guide

Note Position
Middle to base
Volatility
Moderate to low
Blending
Specialized
ApplicationTypical %RangeNotes
Niche Fragrance0.1-0.5%Up to 1%Used as special effect modifier
Experimental PerfumeryTrace amounts0.01-0.1%For avant-garde compositions

Classic Accords

Tip: Use in minute quantities to add depth and intrigue to modern woody-amber bases.

Alternatives & Comparisons

1
Dodecylthio-2-methylpropanal CAS 67801-39-8

Offers similar sulfurous-woody effects with better documented safety profile.

2
Trimethylcyclohexenyl butanone CAS 65443-14-9

Provides comparable woody-amber character without sulfur component.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

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

IFRA Status

Not currently evaluated by IFRA due to specialized nature.

RIFM Assessment

No RIFM assessment currently available for this compound.

Sustainability

As a synthetic specialty chemical, production involves controlled laboratory synthesis rather than resource-intensive extraction. The environmental impact depends on specific manufacturing processes and waste management protocols.

Explore 1-Butanone, 3-(dodecylthio)-1-(2,6,6-trimethyl-3-cyclohexen-1-yl)-

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References

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

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    Physicochemical Properties

    DTXSID: DTXSID40889194

    Physical Properties

    Molecular Weight 394.7 g/mol🔬 EPA CompTox
    Density 0.882 g/cm^3📊 OPERA
    Boiling Point 448.42 °C📊 OPERA
    Melting Point 55.451 °C📊 OPERA
    Flash Point 213.64 °C📊 OPERA
    Refractive Index 1.479 Dimensionless📊 OPERA
    Molar Volume 434.843 cm^3/mol📊 OPERA

    Partition & Solubility

    LogP (Octanol-Water) 9.411 Log10 unitless📊 OPERA
    LogD (pH 5.5) 9.411 Log10 unitless📊 OPERA
    LogD (pH 7.4) 9.411 Log10 unitless📊 OPERA
    LogKoa (Octanol-Air) 11.72 Log10 unitless📊 OPERA
    Water Solubility 0 mol/L📊 OPERA
    Henry's Law Constant 0 atm-m3/mole📊 OPERA

    Transport Properties

    Vapor Pressure 0 mmHg📊 OPERA
    Viscosity 9.982 cP📊 OPERA
    Surface Tension 31.09 dyn/cm📊 OPERA
    Thermal Conductivity 135.311 mW/(m*K)📊 OPERA

    Molecular Descriptors

    Topological Polar Surface Area 17.07 Ų💻 Computed
    H-Bond Donors 0 count💻 Computed
    H-Bond Acceptors 2 count💻 Computed
    Rotatable Bonds 15 count💻 Computed
    Aromatic Rings 0 count💻 Computed
    Molar Refractivity 123.325 cm^3/mol📊 OPERA
    Polarizability 48.89 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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