hex·a·chlo·ro·eth·ane 
(hĕk′sə-klôr′ō-ĕthān′) also hex·a·chlor·eth·ane (-klôr-ĕthān′)
(hĕk′sə-klôr′ō-ĕthān′) also hex·a·chlor·eth·ane (-klôr-ĕthān′)n.
A colorless toxic crystalline compound, C2Cl6, that is used as a camphor substitute and in pyrotechnics, explosives, and veterinary medicine.