1-Pentanol
1-Pentanol, (or n-pentanol, pentan-1-ol), is an organic compound with the formula CH3CH2CH2CH2CH2OH and is classified as a primary alcohol. It is a colourless liquid with a distinctive aroma. It is one of 8 isomeric alcohols with the formula C5H11OH. It is used as a solvent, a biological drying agent and in the synthesis of some fragrance compounds. It is also a common component of fusel alcohols (fusel oils), the undesirable byproducts of alcoholic fermentation.
| Names | |
|---|---|
| Preferred IUPAC name
Pentan-1-ol | |
| Identifiers | |
3D model (JSmol) |
|
| 1730975 | |
| ChEBI | |
| ChEMBL | |
| ChemSpider | |
| ECHA InfoCard | 100.000.684 |
| EC Number |
|
| 25922 | |
| KEGG | |
| MeSH | n-Pentanol |
PubChem CID |
|
| RTECS number |
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| UNII | |
| UN number | 1105 |
CompTox Dashboard (EPA) |
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SMILES
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| Properties | |
| C5H12O | |
| Molar mass | 88.150 g·mol−1 |
| Density | 0.811 g cm−3 |
| Melting point | −78 °C; −109 °F; 195 K |
| Boiling point | 137 to 139 °C; 278 to 282 °F; 410 to 412 K |
| 22 g L−1 | |
| log P | 1.348 |
| Vapor pressure | 200 Pa (at 20 °C) |
Magnetic susceptibility (χ) |
-67.7·10−6 cm3/mol |
Refractive index (nD) |
1.409 |
| Thermochemistry | |
Heat capacity (C) |
207.45 J K−1 mol−1 |
Std molar entropy (S⦵298) |
258.9 J K−1 mol−1 |
Std enthalpy of formation (ΔfH⦵298) |
−351.90–−351.34 kJ mol−1 |
Std enthalpy of combustion (ΔcH⦵298) |
−3331.19–−3330.63 kJ mol−1 |
| Hazards | |
| GHS labelling: | |
| Warning | |
| H226, H315, H332, H335 | |
| P261 | |
| NFPA 704 (fire diamond) |
1
2
0 |
| Flash point | 49 °C (120 °F; 322 K) |
| 300 °C (572 °F; 573 K) | |
| Related compounds | |
Related compounds |
Hexane |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
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