what is a bhc
[benÂ´zÄn] a liquid hydrocarbon, C6H6, obtained mainly as a byproduct of the destructive distillation of coal, used as a solvent. It is irritant, toxic, and carcinogenic. benzene hexachloride (BHC) a chlorinated hydrocarbon; one isomer, gamma benzene hexachloride (lindane) is used as an insecticide, to kill lice.