Nomenclature
CAS number: 95-93-2
1,2,4,5-Tetramethylbenzene; Durol.
C
10H
14; mol wt 134.22.
C 89.49%, H 10.51%.
Description and references
Occurs in coal tar. Usually prepd from xylene
and methyl chloride in the presence of AlCl3: Smith, Org. Synth. vol. 10, 32 (1930); cf. Smith, Dobrovolny, J. Am. Chem.
Soc. 48, 1413 (1926).
Properties
Scales with camphor-like odor from alcohol. d481 0.84. mp 80°. bp 191-193°. Sublimes
and is volatile with steam. Insol in water; freely sol in alcohol,
ether, benzene.