Wiktionary
hexachloroethane
n. (context organic compound English) The fully chlorinated derivative of ethane CCl3-CCl3 that is used as an oxidizing agent, and in munitions
Wikipedia
Usage examples of "hexachloroethane".
When he judged the time right, the screen adequate, he ordered forward two squads of men carrying much larger and more effective hexachloroethane, HC, smoke grenades.