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From Wikipedia, the free encyclopedia

1-Pentanol
Skeletal formula of 1-pentanol
Ball and stick model of 1-pentanol
Names
IUPAC name
Pentan-1-ol[1]
Identifiers
3D model (JSmol)
1730975
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.000.684
EC Number 200-752-1
25922
KEGG
MeSH n-Pentanol
RTECS number SB9800000
UNII
UN number 1105
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)
-67.7·10−6 cm3/mol
1.409
Thermochemistry
207.45 J K−1 mol−1
258.9 J K−1 mol−1
−351.90–−351.34 kJ mol−1
−3331.19–−3330.63 kJ mol−1
Hazards
GHS pictograms
The flame pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signal word WARNING
H226, H315, H332, H335
P261
NFPA 704
Flammability code 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g., diesel fuelHealth code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentineReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
2
1
0
Flash point 49 °C (120 °F; 322 K)
300 °C (572 °F; 573 K)
Related compounds
Related compounds
Hexane

Pentylamine

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is ☑Y☒N ?)
Infobox references

1-Pentanol, (or n-pentanol, pentan-1-ol), is an alcohol with five carbon atoms and the molecular formula C5H11OH.[2] 1-Pentanol is a colorless liquid with an unpleasant aroma. It is the straight-chain form of amyl alcohol, one of 8 isomers with that formula.

The hydroxyl group (OH) is the active site of many reactions. The ester formed from 1-pentanol and butyric acid is pentyl butyrate, which smells like apricot. The ester formed from 1-pentanol and acetic acid is amyl acetate (also called pentyl acetate), which smells like banana.

Pentanol can be used as a solvent for coating CDs and DVDs. Pentanol has all the properties necessary to replace gasoline as an internal combustion fuel.

Pentanol can be prepared by fractional distillation of fusel oil. To reduce the use of fossil fuels, research is underway to develop cost-effective methods of producing (chemically identical) bio-pentanol with fermentation.

References

  1. ^ "n-pentanol - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification and Related Records. Retrieved 10 October 2011.
  2. ^ CRC Handbook of Chemistry and Physics 65Th Ed.


This page was last edited on 7 March 2019, at 21:28
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