5-ヒドロキシ-6-[(2-ヒドロキシ-5-ニトロフェニル)アゾ]-1-ナフタレン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
2-Amino-4-nitrophenol diazotization, and 5-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
brown. Soluble in water for wine red, soluble in ethanol to red. In concentrated sulfuric acid to purple, dilution after pink. Dye aqueous solution to join concentrated hydrochloric acid to red; Join concentrated sodium hydroxide solution for red orange brown.
5-ヒドロキシ-6-[(2-ヒドロキシ-5-ニトロフェニル)アゾ]-1-ナフタレン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