1-Nonanol, 2,4,6,8-tetramethyl-,acetate (CAS 68922-14-5) — Woody Middle to Base Note Fragrance Ingredient
1-Nonanol, 2,4,6,8-tetramethyl-,acetate
CAS 68922-14-5
What Is 1-Nonanol, 2,4,6,8-tetramethyl-,acetate?
1-Nonanol, 2,4,6,8-tetramethyl-,acetate is a synthetic fragrance ingredient used in perfumes and scented products to add unique aromatic qualities. It is primarily found in niche and luxury fragrances. This compound is valued for its distinct profile that can enhance complexity and longevity in fragrance formulations.
Safety Profile
GENERALLY SAFEWhat Does 1-Nonanol, 2,4,6,8-tetramethyl-,acetate Smell Like?
This synthetic molecule offers a complex, woody-musky aroma with subtle floral undertones. Initially, it presents a crisp, slightly green top note that evolves into a warm, slightly sweet heart. The dry-down reveals a lingering, velvety muskiness that blends seamlessly with other base notes, adding depth and persistence to fragrances.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used as a musky-woody backbone, providing longevity and a modern twist to traditional accords.
Adds a synthetic yet natural-smelling woody depth, enhancing the fragrance’s urban forest theme.
2D Molecular Structure
SMILES: CC(C)CC(C)CC(C)CC(C)COC(C)=O
Chemistry, Properties & Perfumer Guide
The Chemistry
1-Nonanol, 2,4,6,8-tetramethyl-,acetate is a branched-chain fatty alcohol acetate. Its synthetic nature allows for consistent quality and purity. The branching and acetate group contribute to its unique odor profile and stability in formulations.
Physical & Chemical Properties
| Boiling Point | Not available |
|---|---|
| Density | Not available |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-5% | Up to 10% | Adds woody-musky depth |
| Functional Fragrance | 0.5-2% | Up to 5% | Used for lasting effect |
Classic Accords
Tip: Use in small amounts to enhance woody and musky notes without overpowering.
Alternatives & Comparisons
A more widely used woody-amber synthetic with similar blending properties.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No IFRA restrictions currently apply.
RIFM Assessment
No specific RIFM assessment found; general safety assumed based on similar compounds.
Sustainability
As a synthetic ingredient, it avoids natural resource depletion. Production processes should follow green chemistry principles to minimize environmental impact.
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References
- PubChem Compound Summary PubChem
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorIngredient Data Sheet
CAS 68922-14-5Physical Properties
| Molecular Weight | 242.4 g/mol🔬 PubChem |
| LogP (Octanol-Water) | 5.3🔬 PubChem |
| Boiling Point | 273 °C🔬 EPA CompTox |
| Vapor Pressure | 0.0282 mmHg @ 25°C📊 OPERA |
| Flash Point | 113.1 °C🔬 EPA CompTox |
| Involatility Index | 0.002💻 Calculated |
| log Kp (skin permeability) | -0.416💻 Calculated |
| SMILES | CC(C)CC(C)CC(C)CC(C)COC(=O)C🔬 PubChem |
Volatility & Performance
| Fragrance Note | Heart💻 Calculated |
| Volatility Class | Very slow💻 Calculated |
| Persistence Score | 4 / 5💻 Calculated |
Odor & Flavor
| Primary Descriptors | muskywoody• leffingwell |
| Functional Groups | esterether💻 RDKit |
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: DTXSID3052432
Physical Properties
| Molecular Weight | 242.403 g/mol🔬 EPA CompTox |
| Density | 0.844 g/cm^3📊 OPERA |
| Boiling Point | 264.391 °C📊 OPERA |
| Melting Point | -16.891 °C📊 OPERA |
| Flash Point | 108.714 °C📊 OPERA |
| Refractive Index | 1.434 Dimensionless📊 OPERA |
| Molar Volume | 281.125 cm^3/mol📊 OPERA |
Partition & Solubility
| LogP (Octanol-Water) | 5.88 Log10 unitless📊 OPERA |
| LogD (pH 5.5) | 5.88 Log10 unitless📊 OPERA |
| LogD (pH 7.4) | 5.88 Log10 unitless📊 OPERA |
| LogKoa (Octanol-Air) | 6.89 Log10 unitless📊 OPERA |
| Water Solubility | 0 mol/L📊 OPERA |
| Henry's Law Constant | 0 atm-m3/mole📊 OPERA |
Transport Properties
| Vapor Pressure | 0.016 mmHg📊 OPERA |
| Viscosity | 3.796 cP📊 OPERA |
| Surface Tension | 26.601 dyn/cm📊 OPERA |
| Thermal Conductivity | 123.916 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 | 8 count💻 Computed |
| Aromatic Rings | 0 count💻 Computed |
| Molar Refractivity | 73.151 cm^3/mol📊 OPERA |
| Polarizability | 28.999 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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