Hexachlorocyclohexa-2,5-dien-1-one


Hexachlorocyclohexa-2,5-dien-1-one, sometimes informally called hexachlorophenol (HCP) is an organochlorine compound which can be prepared from phenol. Despite the informal name, the compound is not a phenol but is a ketone; the informal name is derived from its method of preparation which includes phenol as a reagent.