Name | 3,7-dichloro-8-dichloro methyl quinoline |
Synonyms | 3,7-dichloro-8-dichloro methyl quinoline Quinoline, 3,7-dichloro-8-(dichloromethyl)- |
CAS | 84086-97-5 |
Molecular Formula | C10H5Cl4N |
Molar Mass | 280.97 |
Melting Point | 142-144?C |
Storage Condition | 2-8℃ |
Physical and Chemical Properties | Chemical quality The pure product is white crystal, m.p.154 ℃, soluble in ethanol, benzene, chlorobenzene, dichlorobenzene and other organic solvents, slightly soluble in petroleum ether, insoluble in water. |
Use | Use 3, 7-dichloro-8-dichloromethylquinoline is an intermediate of the herbicide quinclorac. |
storage conditions | Hygroscopic, -20°C Freezer, Under Inert Atmosphere |
the preparation method is to add 7-chloro-8-methylquinoline and o-dichlorobenzene in the reaction kettle, add the catalyst azobisisobutyronitrile, raise the temperature, pass chlorine gas, and control the unreacted quinoline by gas chromatography until the content is ≤ 1%. Desolubilization recovers o-dichlorobenzene to obtain a mixture of 3, 7-dichloro-8-chloromethylquinoline and 3, 7-dichloro-8-dichloromethylquinoline.