7,7'-ウレイレンビス[3-[[4-[(2,4-ジクロロ-6-ソジオスルホフェニル)アゾ]-3-メチルフェニル]アゾ]-4-ヒドロキシナフタレン-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
2-Amino-3,5-dichlorobenzenesulfonic acid diazo, and m-Toluidine?coupling, and then a sulfonic acid hydrolysis off base, its product (2 Moore) diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea.
Properties and Applications
yellow light red. Soluble in water for blue-ray red, slightly soluble in alcohol. The strong sulfuric acid for blue, purple red after diluted. The dye solution to join strong hydrochloric acid for dark purple, have precipitation; Add thick sodium hydroxide solution for purplish red color, have precipitation.
7,7'-ウレイレンビス[3-[[4-[(2,4-ジクロロ-6-ソジオスルホフェニル)アゾ]-3-メチルフェニル]アゾ]-4-ヒドロキシナフタレン-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