C.I.ダイレクトレッド127A 化学特性,用途語,生産方法
製造方法
2′,3-Dimethyl-4-amino-4′-sulfoazobenzene diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
blue-ray red. Soluble in water for blue-ray red, and adequate soluble in alcohol for product red. The strong sulfuric acid in blue, diluted red for brown. The dye solution with strong hydrochloric acid have red orange brown precipitation; Add thick sodium hydroxide solution is Claret precipitation. And C.I. Direct Red 127 similar.
C.I.ダイレクトレッド127A 上流と下流の製品情報
原材料
準備製品