A heavy,colorless,toxic liquid,CHCl: CCl2,used to degrease metals,as an extraction solvent for oils and waxes,as a refrigerant,in dry cleaning,and as a fumigant.

• 三氯乙烯一种比重大、无色、有毒的液体CHCl：CCl2，用作金属的去油剂、油类和蜡的萃取溶济、冷却剂和熏剂，也用于干洗中。