2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt

2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  1,3-Bis(4-aminophenyl)urea double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling.

• Properties and Applications

  bright purple. Soluble in water (for red light purple) and ethanol, easily soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for purple, dilute for dark blue purple solution after, precipitation. The dye solution to join 10% no change sulfuric acid; Add 10% sodium hydroxide solution for purplish red color.
  

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

2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt Upstream-Materialien And Downstream Produkte

6391-28-2, 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt Verwandte Suche: