4-ヒドロキシ-6-[[3-[(2-ヒドロキシ-3-ニトロ-5-ソジオスルホフェニル)アゾ]-2,4-ジヒドロキシフェニル]アゾ]-3-[(4-ニトロフェニル)アゾ]ナフタレン-2-スルホン酸ナトリウム 化学特性,用途語,生産方法
製造方法
6-Amino-4-hydroxynaphthalene-2-sulfonic acid? diazo, Coupled with resorcinol, 4-Nitrobenzenamine diazo, and the generation of single accidentally coupled nitrogen compounds, and then and diazo 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid coupling.
Properties and Applications
dark red light brown. Soluble in water for orange brown. The strong sulfuric acid for wine, dilute after brown precipitation. In water solution to join strong hydrochloric acid for orange brown; With rare sodium hydroxide solution for blue-ray red.
4-ヒドロキシ-6-[[3-[(2-ヒドロキシ-3-ニトロ-5-ソジオスルホフェニル)アゾ]-2,4-ジヒドロキシフェニル]アゾ]-3-[(4-ニトロフェニル)アゾ]ナフタレン-2-スルホン酸ナトリウム 上流と下流の製品情報
原材料
準備製品