C₇H₆Cl₂ A colorless liquid, soluble in organic solvents, insoluble in water; isomers are 2,4-CH₃C₆H₃Cl₂, boiling at 200–202_C, and 3,4- (CH₃C₆H₃Cl₂), boiling at 209_C; used as solvent and chemical intermediate.