4,5-diamino-1-naphthalenesulfonic acid 化学特性,用途語,生産方法
合成
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.
4,5-diamino-1-naphthalenesulfonic acid 上流と下流の製品情報
原材料
準備製品