An organic aromatic compound that has been used as a fungicide.
| Member | Definition | Role |
|---|
| 2,4-dimethylphenol | A member of the class of phenols that phenol substituted by methyl groups at positions 2 and 4. | 2,4-xylenol |
| chloroneb | A dimethoxybenzene that is p-dimethoxybenzene which is substituted by chlorines at positions 2 and 5. A fungicide formerly used as a seed treatment, it is not approved for use in the European Union. | chloroneb |
| dicloran | A nitroaniline that is 4-nitroaniline in which the hydrogens at positions 2 and 6 are replaced by chlorines. An agricultural fungicide, it is not approved for use in the European Union. | 2,6-dichloro-4-nitroaniline |
| diphenyl | A benzenoid aromatic compound that consists of two benzene rings connected by a single covalent bond. Biphenyl occurs naturally in coal tar, crude oil, and natural gas. Formerly used as a fungicide for citrus crops. | biphenyl |
| hexachlorobenzene | A member of the class of chlorobenzenes that is benzene in which all of the hydrogens are replaced by chlorines. An agricultural fungicide introduced in the mid-1940s and formerly used as a seed treatment, its use has been banned since 1984 under the Stockholm Convention on Persistent Organic Pollutants. | hexachlorobenzene |
| pentachlorophenol | A chlorophenol that is phenol substituted by 5 chloro groups. | pentachlorophenol |
| quintozene | A C-nitro compound that is nitrobenzene in which every hydrogen has been replaced by a chlorine. A fungicide used on a variety of crops, including cotton, rice and seed grains, it is no longer approved for use within the European Union. | pentachloronitrobenzene |
| 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| A C-nitro compound that is nitrobenzene in which the four hydrogens located ortho- and para- to the nitro group have been replaced by chlorines.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 |