[′prō·pə‚lēn dī′klȯr‚īd] (organic chemistry) CH3CHClCH2Cl Water-insoluble, colorless, moderately flammable liquid, with chloroform aroma; boils at 96.3°C; miscible with most common solvents; used as a solvent, dry-cleaning fluid, metal degreaser, and fumigant.