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ChemicalBook CAS DataBase List Mepiquat chloride
24307-26-4

Mepiquat chloride synthesis

2synthesis methods
The industrial synthesis of mepiquat chloride begins with the preparation of N-methylpiperidine, which serves as the core nitrogen-containing ring. This intermediate undergoes quaternisation, a key step where it reacts with chloromethyl compounds such as methyl chloride or chloromethyl acetate under controlled temperature and pressure to form the quaternary ammonium salt, mepiquat chloride. The reaction is typically carried out in aqueous or polar organic solvents, and the product is isolated by crystallisation or solvent evaporation. Continuous production methods have been developed to improve efficiency and reduce waste, including inline monitoring and purification systems.

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