1-Pentanol
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1-Pentanol
| 1-Pentanol | |
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Pentan-1-ol[1] |
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| Identifiers | |
| CAS number | 71-41-0  |
| PubChem | 6276 |
| ChemSpider | 6040 |
| UNII | M9L931X26Y |
| EC number | 200-752-1 |
| UN number | 1105 |
| KEGG | C16834 |
| MeSH | n-Pentanol |
| ChEBI | CHEBI:44884 |
| ChEMBL | CHEMBL14568 |
| RTECS number | SB9800000 |
| Beilstein Reference | 1730975 |
| Gmelin Reference | 25922 |
| Jmol-3D images | Image 1 |
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| Properties | |
| Molecular formula | C5H12O |
| Molar mass | 88.15 g mol−1 |
| Density | 814.4 mg cm−3 |
| Melting point |
-78 °C, 195 K, -109 °F |
| Boiling point |
137-139 °C, 410-412 K, 278-282 °F |
| Solubility in water | 22 g dm-3 |
| log P | 1.348 |
| Vapor pressure | 200 Pa (at 20 °C) |
| Refractive index (nD) | 1.409 |
| Thermochemistry | |
| Std enthalpy of formation ΔfH |
−351.90–−351.34 kJ mol−1 |
| Std enthalpy of combustion ΔcH |
−3331.19–−3330.63 kJ mol−1 |
| Standard molar entropy S |
258.9 J K−1 mol−1 |
| Specific heat capacity, C | 207.45 J K−1 mol−1 |
| Hazards | |
| GHS pictograms |   |
| GHS signal word | WARNING |
| GHS hazard statements | H226, H315, H332, H335 |
| GHS precautionary statements | P261 |
| EU Index | 603-200-00-1 |
| EU classification |  Xn |
| R-phrases | R10, R20, R37, R66 |
| S-phrases | (S1/2), S46 |
| NFPA 704 |
 2
1
0
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| Flash point | 49 °C |
| Autoignition temperature |
300 °C |
| Related compounds | |
| Related compounds | Hexane |
 (verify) (what is:  / ?)Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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| Infobox references | |
1-Pentanol, (or n-pentanol, pentan-1-ol), is an alcohol with five carbon atoms and the molecular formula C5H12O.[2] 1-Pentanol is a colorless liquid with an unpleasant aroma. There are 8 alcohols with this molecular formula (see amyl alcohol). The ester formed from butyric acid and 1-pentanol, pentyl butyrate, smells like apricot. The ester formed from acetic acid and 1-pentanol, amyl acetate (pentyl acetate), smells like banana.
Pentanol can be prepared by fractional distillation of fusel oil. To reduce the use of fossil fuels, research is underway to discover cost effective methods of utilizing fermentation to produce Bio-Pentanol. Pentanol can be used as a solvent for coating CDs and DVDs. Another use is a replacement for gasoline.
References
- ^ "n-pentanol - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=6276&loc=ec_rcs. Retrieved 10 October 2011.
- ^ CRC Handbook of Chemistry and Physics 65Th Ed.
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