Direct Brown 148 Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

N,N’-bis(3-aminophenyl)urea?double nitriding, first and 2,4-Diaminobenzenesulfonic acid coupling, again with Resorcinol coupling.

Properties and Applications

brown. Slightly soluble in water for yellow brown, slightly soluble in alcohol. The strong sulfuric acid in red orange for brown, diluted yellow brown to orange for brown. The dye solution was added concentrated hydrochloric acid with red brown precipitate; Add thick sodium hydroxide solution for yellow brown to orange brown; Sodium hydroxide solution to dilute the same color.

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

Direct Brown 148 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

Direct Brown 148 Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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• Direct Brown 148
• C.I.Direct Brown 148:C.I.25265