Aniline is mainly used in the manufacture of dyes, drugs, resins and rubber vulcanization accelerators. It can also be used as a black dye by itself. Its derivative methyl orange can be used as an indicator for acid-base titration.
Detailed uses of aniline:
Aniline is one of the most important intermediates in the dye industry. In the dye industry, it can be used to make acid ink blue G, acid medium BS, acid yellow, direct orange S, direct pink, indigo, disperse yellow brown, cationic pink FG and activity. Brilliant red X-SB, etc .; used in the production of organic pigments, such as golden red, golden red g, red powder, phenol red, oil-soluble black, etc. In the printing and dyeing industry, it is used for dye aniline black; in the pesticide industry, it is used to produce many insecticides and fungicides such as DDV, herbicide, chloramphetamine, etc .; aniline is an important raw material for rubber additives, used in the manufacture of anti-aging agent A, Antioxidant D, Antioxidant RD and Antioxidant 4010, Accelerators M, 808, D and CA, etc .; It can also be used as a raw material for pharmaceutical sulfa drugs, and it is also an intermediate for the production of spices, plastics, varnishes, films, etc .; and can be used as Stabilizers in explosives, explosion-proof agents in gasoline, and as solvents; others can also be used in the manufacture of hydroquinone, 2-phenylindole, and the like.
Aniline is an important raw material for the production of pesticides. N-alkylaniline, alkylaniline, o-nitroaniline, cyclohexylamine, etc. can be derived from aniline. It can be used as a fungicide sodium dirust, seed dressing, and insecticide triazophos. , Pyridazine, quetiaphos, intermediates of the herbicides alachlor, cyclazinone, imidazolinac, etc.