3-Methylpyridine is an important chemical raw material, which is widely used in medicine, pesticide, feed, dye, perfume, rubber, resin, photosensitive material and liquid crystal. 3-methylpyridine is also a kind of organic synthesis intermediate and solvent. It is used as the intermediate of imidacloprid and Acetamiprid in the synthesis of next step intermediate 3-methylpyridine-n-oxide. It can also be used as pharmaceutical intermediate, dye intermediate, resin intermediate and so on. It is used in the manufacture of vitamin B6, nicotinic acid and nicotinamide, nicolamine and cardiotonic agent. At the same time, it can also be used as solvent, alcohol denaturant, dye intermediate, resin intermediate, rubber vulcanization accelerator, waterproof agent raw materials, and film sensitizer additives.