4,5-diamino-1-naphthalenesulfonic acid

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

4,5-diamino-1-naphthalenesulfonic acid 生産企業

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