Direct Brown 57

Direct Brown 57 価格

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Direct Brown 57 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 6-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 dark red light brown, soluble in ethanol and soluble fiber element, slightly soluble in acetone, insoluble in other organic solvents. The strong sulfuric acid as dark blue light in purple, dilute red after brown precipitation; In 10% of sulfuric acid for blue-ray gray. The dye solution to join 10% sodium hydroxide solution for purplish red color.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4	4	1	1-2		2
AATCC	5	5	2	2		2

Direct Brown 57 上流と下流の製品情報

原材料

準備製品

Direct Brown 57 生産企業

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• Direct Brown 57
• C.I.Direct Brown 57:C.I.31705