11-Tridecen-6-one, 8,12-dimethyl- (CAS 68141-18-4) — Green Middle Note Fragrance Ingredient
11-Tridecen-6-one, 8,12-dimethyl-
CAS 68141-18-4
What Is 11-Tridecen-6-one, 8,12-dimethyl-?
11-Tridecen-6-one, 8,12-dimethyl- is a synthetic fragrance ingredient used to create modern, clean scents. It’s found in laundry detergents, fabric softeners, and some body care products. This molecule helps achieve long-lasting freshness without being overpowering, making it ideal for everyday products where subtlety matters.
Safety Profile
GENERALLY SAFEWhat Does 11-Tridecen-6-one, 8,12-dimethyl- Smell Like?
A crisp, ozonic note reminiscent of freshly washed linens drying in sunlight. Starts with a bright aldehydic sparkle, settling into a clean musky-woody trail. The dry-down suggests bleached cotton with a whisper of cool metallic edges, like morning dew on stainless steel.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used to amplify the laundry-fresh accord, providing synthetic crispness that lasts longer than natural alternatives.
2D Molecular Structure
SMILES: CCCCCC(=O)CC(C)CCC=C(C)C
Chemistry, Properties & Perfumer Guide
The Chemistry
A synthetic ketone with linear carbon structure. Produced via oxo synthesis from petrochemical feedstocks. The 6-one position creates stability while the branching at 8,12 positions influences volatility and odor characteristics.
Physical & Chemical Properties
| Appearance | Colorless liquid |
|---|---|
| Molecular Weight | Not publicly available |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Laundry Care | 0.1-0.5% | Up to 1% | Provides lingering freshness |
| Body Washes | 0.05-0.2% | Up to 0.3% | Clean base note |
Classic Accords
Tip: Use with musks to extend perceived freshness duration.
Alternatives & Comparisons
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 found for this specific compound.
Sustainability
Synthetic production allows consistent quality without natural resource depletion. Petrochemical origin raises carbon footprint considerations.
Explore 11-Tridecen-6-one, 8,12-dimethyl-
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References
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorPhysicochemical Properties
DTXSID: DTXSID4052396
Physical Properties
| Molecular Weight | 224.388 g/mol🔬 EPA CompTox |
| Density | 0.83 g/cm^3📊 OPERA |
| Boiling Point | 292.356 °C📊 OPERA |
| Melting Point | 6.954 °C📊 OPERA |
| Flash Point | 108.1 °C📊 OPERA |
| Refractive Index | 1.448 Dimensionless📊 OPERA |
| Molar Volume | 267.049 cm^3/mol📊 OPERA |
Partition & Solubility
| LogP (Octanol-Water) | 5.537 Log10 unitless📊 OPERA |
| LogD (pH 5.5) | 5.537 Log10 unitless📊 OPERA |
| LogD (pH 7.4) | 5.537 Log10 unitless📊 OPERA |
| LogKoa (Octanol-Air) | 7.43 Log10 unitless📊 OPERA |
| Water Solubility | 0 mol/L📊 OPERA |
| Henry's Law Constant | 0 atm-m3/mole📊 OPERA |
Transport Properties
| Vapor Pressure | 0.005 mmHg📊 OPERA |
| Viscosity | 2.87 cP📊 OPERA |
| Surface Tension | 26.848 dyn/cm📊 OPERA |
| Thermal Conductivity | 134.518 mW/(m*K)📊 OPERA |
Molecular Descriptors
| Topological Polar Surface Area | 17.07 Ų💻 Computed |
| H-Bond Donors | 0 count💻 Computed |
| H-Bond Acceptors | 1 count💻 Computed |
| Rotatable Bonds | 9 count💻 Computed |
| Aromatic Rings | 0 count💻 Computed |
| Molar Refractivity | 71.431 cm^3/mol📊 OPERA |
| Polarizability | 28.317 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.
