Direct Brown 69

Direct Brown 69 価格

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Direct Brown 69 化学特性,用途語,生産方法

製造方法

2-Amino-5-(4-aminophenyl)benzenesulfonic acid double nitriding, first and 4-Aminobenzenesulfonic acid diazo, and Benzene-1,3-diamine coupled to a product matches, then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling.

Properties and Applications

red light brown. Soluble in water for red orange brown. The strong sulfuric acid in grey or black for purple, for brown after diluted. The dye solution to join strong hydrochloric acid for brown, have precipitation; Add thick sodium hydroxide solution for orange brown.

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

Direct Brown 69 上流と下流の製品情報

原材料

準備製品

Direct Brown 69 生産企業

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()キーワード:

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• Direct Brown 69
• C.I.Direct Brown 69:C.I.30365