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Preferred IUPAC name. 2,3-Dichlorophenol. Identifiers ... 2,3-Dichlorophenol (2,3-DCP) is a chlorinated derivative of phenol with the molecular formula Cl 2 C 6 H 3 OH.
3,4-Dichlorophenol 3,5-Dichlorophenol Dichlorophenols are used as intermediates in the manufacture of more complex chemical compounds, including the common herbicide 2,4-dichlorophenoxyacetic acid (2,4-D).
2,4,6-Trichlorophenol, for example, has two chlorine atoms in the ortho positions and one chlorine atom in the para position. There are six different isomers: 2,3,4-Trichlorophenol
2,6-Dichlorophenol is a compound with formula C 6 H 3 Cl 2 OH. It is one of the six isomers of dichlorophenol. It is a colorless solid. Its pK a is 6.78, which is about 100x more acidic than 2-chlorophenol (8.52) and 1000x more acidic than phenol itself (9.95). [3]
The name derives from the Ancient Greek word πολύς (polus, meaning "many, much") and the word ‘phenol’ which refers to a chemical structure formed by attachment of an aromatic benzenoid ring to a hydroxyl (-OH) group (hence the -ol suffix). The term "polyphenol" has been in use at least since 1894.
Preferred IUPAC name. 2,5-Dichlorophenol. ... 2,5-Dichlorophenol (2,5-DCP) is a chlorinated derivative of phenol with the molecular formula Cl 2 C 6 H 3 OH. References
Dimethyl tetrachloroterephthalate (DCPA, with the main trade name Dacthal) is an organic compound with the formula C 6 Cl 4 (CO 2 CH 3) 2. It is the di methyl ester of tetrachloro terephthalic acid , used as a preemergent herbicide with the ISO common name chlorthal-dimethyl .
Triphenylmethane was first synthesized in 1872 by the German chemist August Kekulé and his Dutch student Antoine Paul Nicolas Franchimont (1844–1919) by heating diphenylmercury (Hg(C 6 H 5) 2, Quecksilberdiphenyl) with benzal chloride (C 6 H 5 CHCl 2, Benzylenchlorid).