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Dichloropyridines are organic compounds with the formula Cl 2 C 5 H 3 N, consisting of a pyridine ring substituted with two chlorides. [1] Six isomers are known. They are white or colorless, most are solids at room temperature.
2,6-Dichloropyridine is a chloropyridine with the formula C 5 H 3 Cl 2 N. A white solid, it is one of six isomers of dichloropyridine. It serves as a precursor to the antibiotic enoxacin, [2] as well as the drug and anpirtoline and the antifungal liranaftate.
The initially formed 2-chloropyridine reacts further to give 2,6-dichloropyridine. [2] Alternatively, 2-chloropyridines can be conveniently synthesized in high yields from pyridine-N-oxides. [3] 2-Chloropyridine was originally prepared by the chlorination of 2-hydroxypyridine with phosphoryl chloride. [4]
Direct halogenation of pyridine with chlorine gas above 270 °C gives a mixture of 2-chloropyridine and 2,6-dichloropyridine. [1] 2- and 4-chloropyridine are prepared from the corresponding pyridinols using phosphoryl chloride. [1]
An example SDS, including guidance for handling a hazardous substance and information on its composition and properties. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.
Safety data sheet (SDS) External MSDS: ... 2,3-Dichlorophenol (2,3-DCP) is a chlorinated derivative of phenol with the molecular formula Cl 2 C 6 H 3 OH.
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Clopyralid (3,6-dichloro-2-pyridinecarboxylic acid) is a selective herbicide used for control of broadleaf weeds, especially thistles and clovers.Clopyralid is in the picolinic acid family of herbicides, which also includes aminopyralid, picloram, triclopyr, and several less common herbicides.