It is a colorless or light yellow, highly flammable, weakly alkaline, water-soluble liquid with a distinctive, unpleasant fish-like smell. Its melting point is -41.6 ℃, and boiling point is 115.2 ℃. It will form azeotropic mixture with water, and boiling point of the mixture is 92~93 ?C. The property is used to purify pyridine in industry.) Its density is 0.9819g / cm3. Pyridine is soluble in water, ethanol, ether and other organic solvents, and itself can also be used as solvent.
Applications
Pyridine is used as a solvent in the chemical industry and as a denaturant for ethyl alco- hol; as an intermediate in the production of pesticides; in pharmaceuticals; in the manufacture of paints, explosives, dyestuffs, rubber, vitamins, sulfa drugs; and disinfectants.
