Any member of the class of chlorobenzenes carrying four chloro groups at unspecified positions.
| Member | Definition | Role |
|---|
| 1,2,3,4-tetrachlorobenzene | A tetrachlorobenzene carrying chloro groups at positions 1, 2 , 3 and 4. | 1,2,3,4-tetrachlorobenzene |
| 1,2,3,5-tetrachlorobenzene | A tetrachlorobenzene carrying chloro groups at positions 1, 2, 3 and 5. | 1,2,3,5-tetrachlorobenzene |
| 1,2,4,5-tetrachlorobenzene | A tetrachlorobenzene carrying chloro groups at positions 1, 2, 4 and 5. | 1,2,4,5-tetrachlorobenzene |
| 2,3,3',4,4',5-hexachlorobiphenyl | | 2,3,3',4,4',5-Hexachlorobiphenyl |
| 2,3,4,4'5-pentachlorobiphenyl | | 2,3,4,4',5-Pentachlorobiphenyl |
| 2,3,4,5-tetrachlorobiphenyl | | 2,3,4,5-tetrachlorobiphenyl |
| 2,3,4,5,3',4',5'-heptachlorobiphenyl | | 2,3,3',4,4',5,5'-Heptachlorobiphenyl |
| 2,3,5,6-tetrachlorobiphenyl | A tetrachlorobiphenyl that is biphenyl in which one of the phenyl groups is substituted by chlorines at positions 2, 3, 5, and 6. | 2,3,5,6-tetrachlorobiphenyl |
| 2,3,5,6-tetrachlorohydroquinone | A tetrachlorobenzene that is 1,2,4,5-tetrachlorobenzene in which the hydrogens at positions 3 and 6 are replaced by hydroxy groups. | tetrachlorohydroquinone |
| 3,4,5,6-tetrachlorocatechol | A chlorocatechol that is catechol in which all of the hydrogens attached to the benzene ring are replaced by chlorines. | tetrachlorocatechol |
| 4-hydroxy-2',3',4'-5'-tetrachlorobiphenyl | | 2,3,4,5-Tetrachloro-4'-biphenylol |
| 4,5,6,7-tetrachlorophthalide | A member of the class of 2-benzofurans that is 2-benzofuran-1(3H)-one in which all or the hydrogens attached to the benzene ring are replaced by chlorines. A fungicide used for the control of rice blast, it is not approved for use within the European Union. | 4,5,6,7-tetrachloro-2-benzofuran-1(3H)-one |
| tecnazene | A C-nitro compound that is nitrobenzene in which the four hydrogens located ortho- and para- to the nitro group have been replaced by chlorines. A fungicide used to control dry rot, it is no longer approved for use within the European Union. | tecnazene |
| tetrachloroisophthalonitrile | A dinitrile that is benzene-1,3-dicarbonitrile substituted by four chloro groups. A non-systemic fungicide first introduced in the 1960s, it is used to control a range of diseases in a wide variety of crops. | chlorothalonil |
| tetrachlorophthalic anhydride | A cyclic dicarboxylic anhydride that is phthalic anhydride chlorinated at the 4-, 5-, 6- and 7-positions. | tetrachlorophthalic anhydride |