Trinatrium-4-hydroxy-3-[[4'-[(1-hydroxy-4-sulfonato-2-naphthyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]naphthalin-2,7-disulfonat

trisodium 4-hydroxy-3-[[4'-[(1-hydroxy-4-sulphonato-2-naphthyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  3,3′-Dimethoxylbenzidine double nitriding, first with 4-Hydroxynaphthalene-1-sulfonic acid coupling, then with?4-Hydroxynaphthalene-2,7-disulfonic acid coupling.

• Properties and Applications

  blue. Soluble in water for deep purple, soluble in ethanol. The strong sulfuric acid for Tracy in blue, and in purple for diluted. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick sodium hydroxide solution into product red.
  

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

trisodium 4-hydroxy-3-[[4'-[(1-hydroxy-4-sulphonato-2-naphthyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate Upstream-Materialien And Downstream Produkte