TrichlorobenzeneTrichlorobenzene may refer to any of three isomeric chlorinated derivatives of benzene with the molecular formula C6H3Cl3. They differ by the positions of the chlorine atoms around the ring: 1,2,3-Trichlorobenzene 1,2,4-Trichlorobenzene 1,3,5-TrichlorobenzeneCategory:Chlorobenzenes