methylcyclohexanone

Methylcyclohexanones are a group of three isomers: 2-methylcyclohexanone, 3-methylcyclohexanone, and 4-methylcyclohexanone.{{cite book |doi=10.1002/14356007.a08_217 |chapter=Cyclohexanol and Cyclohexanone |title=Ullmann's Encyclopedia of Industrial Chemistry |date=2000 |last1=Musser |first1=Michael Tuttle |isbn=3527306730 }} They can be viewed as derivative of cyclohexanone. They can be prepared by oxidation of methylcyclohexane as well as partial hydrogenation of the corresponding cresols. All are colorless liquids. The 2- and 3-isomers are chiral.

class="wikitable" |+ Methylcyclohexanones
Isomer	Structure	CAS RN	m.p. (°C)	b.p. (°C)	density (g/cm3)
2-Methylcyclohexanone	90px	583-60-8	−13.9	165.1	0.925
3-Methylcyclohexanone	90px	591-24-2	−73.5	170.0	0.920
4-Methylcyclohexanone	66px	589-92-4	−40.6	171.3	0.916