Aniline, also known as aniline, is an organic compound with the chemical formula C6H7N. It is a colorless oily liquid that dissolves when heated to 370°C. It is slightly soluble in water and is easily soluble in organic solvents such as ethanol and ether.
Aniline is one of the most important amines. It is mainly used to manufacture dyes, drugs, and resins, and can also be used as a rubber modification accelerator, etc. It is also available as a black dye on its own. Its model orange can be used as an indicator for acid-base titration.

Chinese name aniline
Foreign name Aniline
Alias ​​aminobenzene
Chemical formula C6H7N
Molecular weight 93.127
CAS registration number 62-53-3
EINECS registration number 200-539-3
Melting point -6.2 ℃
Boiling point 184 ℃
water soluble slightly soluble
Density 1.022 g/cm³
Appearance colorless to light yellow transparent liquid
Flash point 76 ℃
Safety description S26; S27; S36/37/39; S45; S46; S61; S63
Hazard symbol T
Hazard description R40; R41; R43; R48/23/24/25; R50; R68
UN dangerous goods number 1547

use
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 red In 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, herbicide, piclochlor, etc.; aniline is an important raw material for rubber additives and is used to manufacture 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; it can also be used to make hydroquinone, 2-phenylindole, etc.