Dinatrium-7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalin-2-sulfonat]

disodium 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate] Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  N-(3-aminophenyl)formamide (2 Moore) diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling, and then hydrolysis formex amino.

• Properties and Applications

  Claret. Soluble in water and ethanol for blue-ray red. The strong sulfuric acid in Red sauce for, diluted solution for Red, dark blue light Red precipitate. The dye solution to join strong hydrochloric acid is Claret precipitation; Add thick sodium hydroxide solution for orange brown.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  AATCC	5	4	2	4		5