Title: Cyclopentanol
CAS Registry Number: 96-41-3
Additional Names: Cyclopentyl alcohol; hydroxycyclopentane
Molecular Formula: C5H10O
Molecular Weight: 86.13
Percent Composition: C 69.72%, H 11.70%, O 18.58%
Literature References: Prepd by modified Meerwein-Pondorf-Verley reduction of cyclopentanone in the presence of aluminum isopropoxide and sodium hydroxide: Truett, Moulton, J. Am. Chem. Soc. 73, 5913 (1951); by catalytic hydrogenation of pure cyclopentanone with copper chromite at 150° and 150 atm: Kögl, Ultée, Rec. Trav. Chim. 69, 1576 (1950); by catalytic hydrogenation of cyclopentanone with platinum oxide and platinum black at 2-3 atm: Noller, Adams, J. Am. Chem. Soc. 48, 1084 (1926); by hydration of cyclopentene in aq H2SO4: Hepp, US 2414646 (1947 to Phillips Petr.); by reduction of cyclopentanone with LiAlH4 in ether at room temp: Nystrom, Brown, J. Am. Chem. Soc. 69, 1197 (1947).
Properties: Liquid, odor of amyl alcohol. d40 0.96253; d415 0.95078; d420 0.9488; d430 0.93908. mp -19°. bp 140.85°. Flash pt 124°F. nD15 1.45512; nD20 1.4520. Sparingly sol in water. Sol in ethanol.
Melting point: mp -19°
Boiling point: bp 140.85°
Flash point: Flash pt 124°F
Index of refraction: nD15 1.45512; nD20 1.4520
Density: d40 0.96253; d415 0.95078; d420 0.9488; d430 0.93908
Cyclopentanone Cyclopenthiazide Cyclopentobarbital Cyclopentolate Cyclophosphamide

CAS number 96-41-3 YesY
PubChem 7298
ChemSpider 7026 YesY
EC number 202-504-8
KEGG C02020 YesY
ChEBI CHEBI:16133 YesY
Jmol-3D images Image 1
Molecular formula C5H10O
Molar mass 86.13 g mol−1
Appearance Colorless liquid
Density 0.949 g/mL
Melting point −19 °C; −2 °F; 254 K
Boiling point 139–140 °C
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Cyclopentanol or cyclopentyl alcohol is a cyclic alcohol. It is also known as hydroxycyclopentane.[2]