Pyridine, an organic compound, is a six-membered heterocyclic compound containing one nitrogen heteratom. It can be seen as a compound in which one of the benzene molecules (CH) is replaced by N, so it is also called nitrobenzene, colorless or slightly yellow liquid, and has a foul odor. Pyridine and its homologues are found Chemicalbook in bone tar, coal tar, gas, shale oil, and petroleum. Pyridine is used industrially as a denaturant, dye aid, and raw material for the synthesis of a range of products, including pharmaceuticals, disinfectants, dyes, etc. Pyridine hydrochloride is the hydrochloride state of pyridine.

1, pyridine hydrochloride is mainly used in pharmaceutical intermediates, biochemical research, organic synthesis.
2, pyridine hydrochloride is also one of the raw materials for the production of methylerythromycin.