4-Methyl-2-pentanol is a branched-chain, saturated alcohol that belongs to the fragrance structural group. It is a versatile compound commonly used in fragrance formulations, analytical chemistry, and as an internal standard in various scientific studies.
Chemical and Physical Properties
| Property | Value |
|---|
| Linear Formula | (CH₃)₂CHCH₂CH(OH)CH₃ |
| CAS Number | 108-11-2 |
| Molecular Weight | 102.17 g/mol |
| Beilstein Registry | 1098268 |
| EC Number | 203-551-7 |
| MDL Number | MFCD00004550 |
| PubChem Substance ID | 24846945 |
| UNSPSC Code | 12352100 |
| NACRES | NA.22 |
Physical Characteristics
| Property | Value |
|---|
| Assay | 98% |
| Form | Liquid |
| Density | 0.802 g/mL at 25 °C (lit.) |
| Boiling Point (bp) | 132 °C (lit.) |
| Melting Point (mp) | −90 °C (lit.) |
| Refractive Index | n20/D 1.410 (lit.) |
| Vapor Density | 3.5 (vs. air) |
| Vapor Pressure | 3.7 mmHg at 20 °C |
| Explosive Limit | 5.5% |
Molecular Structure
- SMILES String: CC(C)CC(C)O
- InChI: 1S/C6H14O/c1-5(2)4-6(3)7/h5-7H,4H2,1-3H3
- InChI Key: WVYWICLMDOOCFB-UHFFFAOYSA-N
Applications
- Fragrance Industry:
- As a member of the fragrance structural group, it is used in creating formulations for perfumes and scented products.
- Analytical Chemistry:
- Serves as an internal standard in the analysis of volatile fractions in monovarietal wines and other complex mixtures.
- Enhances the accuracy and reproducibility of chromatographic analyses.
- Research Studies:
- Used in studies characterizing volatile compounds in food, beverages, and environmental samples.
Advantages
- High Purity (98%): Ensures reliable and consistent results in both research and industrial applications.
- Low Melting Point: Allows use in a wide range of liquid-phase applications.
- Versatile Solvent Properties: Effective in fragrance formulations and analytical systems.
Safety and Handling
- Storage: Store in a cool, well-ventilated area away from heat sources and oxidizing agents.
- Handling: Use protective gloves and eye protection when handling.
- Disposal: Dispose of in accordance with local, regional, and national regulations.
References
- Fragrance Structural Group: Branched chain saturated alcohols.
- Application as an Internal Standard: Characterization of volatile fractions in monovarietal wines.
Sigma-Aldrich 4-Methyl-2-pentanol is a versatile compound ideal for applications in fragrance development, analytical chemistry, and food and beverage research. Its high purity and favorable physical properties make it a valuable reagent for various industrial and scientific applications.
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