Hexachlorobenzene is a white crystalline solid. It is formed as a by-product during the manufacture of chemicals used as solvents , other chlorine-containing compounds, and pesticides.
Hexachlorobenzene, or perchlorobenzene, is an organochloride with the molecular formula C6Cl6. It is a fungicide formerly used as a seed treatment, especially on wheat to control the fungal disease bunt.