Direct Brown 70

Direct Brown 70 価格

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Direct Brown 70 化学特性,用途語,生産方法

製造方法

4-(4-Aminophenyl)benzenamine double nitriding, first coupled with 2-Hydroxybenzoic acid, and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, its product to diazo, and Benzene-1,3-diamine coupling.

Properties and Applications

dark red light brown. Soluble in water for brown. The strong sulfuric acid for purple brown, dilute brown yellow light after precipitation. The dye solution to join strong hydrochloric acid have brown light black precipitation; Add thick sodium hydroxide solution for palm light purple.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4-5	4	2-3	3-4		3-4

Direct Brown 70 上流と下流の製品情報

原材料

準備製品

Direct Brown 70 生産企業

名前	電話番号	電子メール	国籍	製品カタログ	優位度

()キーワード:

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• Direct Brown 70
• C.I.Direct Brown 70:C.I.35530