Pyridine (nitrogen-containing benzene) is an important organic compound with the chemical formula C ₅ H ₅ N, and is a nitrogen-containing heterocyclic compound.
Pyridine appears as a colorless or slightly yellow liquid with a foul odor. Pyridine is a liquid at room temperature, volatile, and has good solubility and chemical stability.
① Pesticides: are key raw materials for the production of various pesticides, such as paraquat, dichlorvos, and chlorpyrifos.
② Medicine: can be used to produce pharmaceutical intermediates, further synthesize antibiotics, anticancer drugs, etc.
③ Catalysts and solvents: act as catalysts to promote reactions; It can also dissolve various organic compounds to prepare highly efficient medicines, pesticides, and vat dyes such as vitamins.
