Direct Black 27 価格

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Direct Black 27 化學特性,用途語,生産方法

製造方法

4-(4-Aminophenyl)benzenamine double nitriding, first and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling, and then in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid?coupling, product to diazo, and Benzene-1,3-diamine coupling.

Properties and Applications

blue and black. Moderate soluble in water for hidden cyan, not soluble in alcohol. The strong sulfuric acid for Tracy in blue, diluted for dark purple. The dye solution to join strong hydrochloric acid have precipitation of dark; Add thick sodium hydroxide solution for purple.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4	3	4	1-2		2-3

Direct Black 27 上流と下流の製品情報

原材料

準備製品

Direct Black 27 生産企業(yè)

名前	電話番號	電子メール	國籍	製品カタログ	優(yōu)位度

()キーワード:

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• Direct Black 27
• C.I.Direct Black 27:C.I.31810