4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

synthetische

3,3′-Dimethylbenzidine double nitriding, first and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling, again with 4-Hydroxynaphthalene-1-sulfonic acid coupled

Properties and Applications

red light blue. Soluble in water for deep purple, slightly soluble in alcohol for red light purple. The strong sulfuric acid for green light blue, purple for red after diluted. The dye solution to join strong hydrochloric acid for deep purple; Add thick sodium hydroxide solution for purplish red color.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	5	3	2	1-2		2

4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Firmenname	Telefon	E-Mail	Land	Produktkatalog	Edge Rate
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58

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• 4,5-Dihydroxy-3-[[4'-[(1-hydroxy-4-sulfo-2-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid trisodium salt
• C.I.23690
• C.I.Direct Blue 31
• 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-[4'-[2-(1-hydroxy-4-sulfo-2-naphthalenyl)diazenyl]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]diazenyl]-, sodium salt (1:3)
• C.I.Direct Blue 31:C.I.23690
• Direct Blue 31
• 5442-09-1
• C34H26N4O12S33Na