<unk> , 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. It has been banned globally under the Stockholm Convention on Persistent Organic Pollutants.
Hexachlorobenzene
Coal tar
Vinyl chloride
Benzene
Polychlorinated biphenyl
Naphthalene
Polychlorinated naphthalene
Nitrobenzene