1-(1-Methyl-2-propoxyethoxy)propan-2-ol (CAS 29911-27-1) — Woody Base Note Fragrance Ingredient
1-(1-Methyl-2-propoxyethoxy)propan-2-ol
CAS 29911-27-1
What Is 1-(1-Methyl-2-propoxyethoxy)propan-2-ol?
1-(1-Methyl-2-propoxyethoxy)propan-2-ol is a synthetic fragrance ingredient used in modern perfumery for its unique properties. Consumers encounter it in fine fragrances and functional products where subtlety and longevity are desired.
Safety Profile
GENERALLY SAFEWhat Does 1-(1-Methyl-2-propoxyethoxy)propan-2-ol Smell Like?
A synthetic compound with a clean, slightly ethereal character. It evolves subtly on the skin, providing a neutral backbone that enhances other notes without overpowering. The dry-down is smooth and lingering, ideal for modern minimalist compositions.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used to enhance the freshness and longevity of the floral accord, providing a clean, modern edge.
2D Molecular Structure
SMILES: CCCOCC(C)OCC(C)O
Chemistry, Properties & Perfumer Guide
The Chemistry
1-(1-Methyl-2-propoxyethoxy)propan-2-ol is a synthetic ether-alcohol compound. It is typically synthesized through propoxylation reactions. Its structure allows for good stability and compatibility with other fragrance ingredients.
Physical & Chemical Properties
| Boiling Point | N/A |
|---|---|
| Density | N/A |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-5% | Up to 10% | Provides longevity and subtle enhancement |
Classic Accords
Tip: Use to extend the life of delicate top notes without altering their character.
Alternatives & Comparisons
A more common solvent with similar blending properties but less olfactory impact.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No IFRA restrictions currently apply.
EU Allergen Declaration
Not listed as an EU allergen.
RIFM Assessment
No specific RIFM assessment found.
Sustainability
Synthetically produced, with no significant environmental impact when used as directed. No natural sourcing concerns.
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References
- PubChem Compound Summary for 1-(1-Methyl-2-propoxyethoxy)propan-2-ol PubChem
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorIngredient Data Sheet
CAS 29911-27-1Physical Properties
| Molecular Weight | 176.25 g/mol🔬 PubChem |
| LogP (Octanol-Water) | 1🔬 PubChem |
| Boiling Point | 212 °C🔬 EPA CompTox |
| Vapor Pressure | 0.08 mmHg @ 25°C📊 OPERA |
| Flash Point | 94 °C🔬 EPA CompTox |
| Involatility Index | 0.0065💻 Calculated |
| log Kp (skin permeability) | -3.065💻 Calculated |
| SMILES | CCCOCC(C)OCC(C)O🔬 PubChem |
Volatility & Performance
| Fragrance Note | Heart💻 Calculated |
| Volatility Class | Very slow💻 Calculated |
| Persistence Score | 1.5 / 5💻 Calculated |
Odor & Flavor
| Primary Descriptors | sweetwoody• leffingwell |
| Functional Groups | alcoholether💻 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: DTXSID3033276
Physical Properties
| Molecular Weight | 176.256 g/mol🔬 EPA CompTox |
| Density | 0.919 g/cm^3🔬 EPA CTX |
| Boiling Point | 212 °C🔬 EPA CTX |
| Melting Point | 7.08 °C🔬 EPA CTX |
| Flash Point | 98.533 °C🔬 EPA CTX |
| Refractive Index | 1.431 Dimensionless📊 OPERA |
| Molar Volume | 188.08 cm^3/mol📊 OPERA |
Partition & Solubility
| LogP (Octanol-Water) | 4.347 Log10 unitless🔬 EPA CTX |
| LogD (pH 5.5) | 0.351 Log10 unitless📊 OPERA |
| LogD (pH 7.4) | 1.021 Log10 unitless📊 OPERA |
| LogKoa (Octanol-Air) | 7.39 Log10 unitless📊 OPERA |
| Water Solubility | 0.891 mol/L🔬 EPA CTX |
| Henry's Law Constant | 0 atm-m3/mole📊 OPERA |
Transport Properties
| Vapor Pressure | 0.102 mmHg🔬 EPA CTX |
| Viscosity | 8.086 cP📊 OPERA |
| Surface Tension | 30.071 dyn/cm📊 OPERA |
| Thermal Conductivity | 158.789 mW/(m*K)📊 OPERA |
Molecular Descriptors
| Topological Polar Surface Area | 38.69 Ų💻 Computed |
| H-Bond Donors | 1 count💻 Computed |
| H-Bond Acceptors | 3 count💻 Computed |
| Rotatable Bonds | 7 count💻 Computed |
| Aromatic Rings | 0 count💻 Computed |
| Molar Refractivity | 48.687 cm^3/mol📊 OPERA |
| Polarizability | 19.301 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.
