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