6047. Methylcyclohexane

Nomenclature

CAS number: 108-87-2
Hexahydrotoluene; cyclohexylmethane.
C7H14; mol wt 98.19.
C 85.62%, H 14.37%.

Description and references

Prepn: F. Wreden, B. Znatowicz, Ann. 187, 161 (1877); E. Knoevenagel, ibid. 297, 113 (1897); and physical properties: J. P. Wibaut et al., Rec. Trav. Chim. 58, 12 (1939). Toxicology: J. F. Treon et al., J. Ind. Hyg. Toxicol. 25, 199 (1943). Dehydrogenation to produce motor fuel: N. Gruenenfelder et al., Proc. 20th Intersoc. Energy Convers. Eng. Conf. 2, 2.781 (1985). Kinetics of industrial dehydrogenation to toluene: A. Touzani et al., Stud. Surf. Sci. Catal. 19, 357 (1984); use of a membrane reactor to improve process: J. K. Ali, A. Baiker, Appl. Catal. A 155, 41 (1997).

Chemical structure

Properties

Clear, fragrant liquid, mp 126.3°. bp760 101.2 ± 0.3°; also reported as bp760 103°. nD18.5 1.41705; nD20 1.4230; nD25 1.42063. d418.5 0.7662; d420 0.76944; d425 0.76512. Surface tension: 23.73 dynes/cm. Flammable. Insol in water at 20°.

Caution

Potential symptoms of overexposure are irritation of eyes, skin, nose and throat; lightheadedness, drowsiness. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 204.

Use

Solvent; starting material in the synthesis of toluene.