Aniline is one of the most important intermediates in the dye industry. In the dye industry, it can be used to manufacture acid ink blue G, acid medium BS, acid bright yellow, direct orange S, direct pink, indigo, dispersed yellow brown, cationic pink FG and active brilliant redIn the printing and dyeing industry, it is used for the dye aniline black; in the pesticide industry, it is used to produce many pesticides and fungicides such as DDV, herbicides, piclochlor, etc.; aniline is an important raw material for rubber additives and is used to make antioxidants A, Anti-aging agent D, antioxidant RD and antioxidant 4010, accelerators M, 808, D and CA, etc.; can also be used as raw materials for pharmaceutical sulfa drugs, and are also intermediates for the production of spices, plastics, varnishes, films, etc.; and can be used as Stabilizer in explosives, anti-explosion agent in gasoline and used as solvent; others can also be used to make hydroquinone, 2-phenylindole, etc.