Methylcyclohexanone refers to any of three isomers, 2-methylcyclohexanone, 3-methylcyclohexanone, and 4-methylcyclohexanone.[1] They can be viewed as derivative of cyclohexanone. They can be prepared by oxidation of methylcyclohexane as well as partial hydrogenation of the corresponding cresol. All are colorless liquids. The 2- and 3-isomers are chiral.
Methylcyclohexanones
Isomer
RN
m.p. (°C)
b.p. (°C)
density (g/cm3)
2-methylcyclohexanone
583-60-8
−13.9
165.1
0.925
3-methylcyclohexanone
591-24-2
−73.5
170.0
0.920
4-methylcyclohexanone
589-92-4
−40.6
171.3
0.916
^Musser, Michael Tuttle (2000). "Cyclohexanol and Cyclohexanone". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a08_217. ISBN 3527306730.
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