Direct Green 43 Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

5-Acetamido-8-amino-2-naphthalenesulfonic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, again diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, its product to diazo, and 2-Methyl-2H-indazole coupling, and then hydrolysis acetyl amino.

Properties and Applications

dark blue light green. Soluble in water for dark green light grey-blue, soluble in ethanol.concentrated sulfuric acid in light gray black, Gray light purple for diluted. The dye solution to join strong hydrochloric acid have blue-ray black precipitation, add thick sodium hydroxide solution for red light blue-black, precipitation.

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

Direct Green 43 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

Direct Green 43 Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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• Direct Green 43
• C.I.Direct Green 43:C.I.34280