4,5-diamino-1-naphthalenesulfonic acid
- русский язык имя
- английское имя4,5-diamino-1-naphthalenesulfonic acid
- CAS №6362-18-1
- CBNumberCB2967774
- ФормулаC10H10N2O3S
- мольный вес238.26
- номер MDLMFCD01565682
- файл Mol6362-18-1.mol
4,5-diamino-1-naphthalenesulfonic acid химические свойства, назначение, производство
Синтез
1-Nitronaphthalene is sulfonated with oleum at 20℃, and the sulfonation mass is nitrated at 35℃. After quenching and liming out, the liquors are reduced with iron powder under slightly acidic conditions. After removal of iron residues, the product 4,5-diamino-1-naphthalenesulfonic acid is isolated in 40 % yield by acidifying and salting.