Direct Green 58

Direct Green 58 Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  4-(4-Aminophenyl)benzenamine double nitriding, first in alkaline conditions and 4-Nitrobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-1,7-disulfonic acid and product of the three matches, and then coupled with phenol, finally the method with the nitro reduction.

• Properties and Applications

  dark green. Moderate soluble in water for blue light green, slightly soluble in alcohol. The strong sulfuric acid for violet black, diluted with light dark purple. The dye solution to join strong hydrochloric acid have dark blue light grey precipitation; Add thick sodium hydroxide solution for dark green light gray
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO	3	4	3	3		3-4
  AATCC	5	5	3-4	2-3		1-2

Direct Green 58 Upstream-Materialien And Downstream Produkte

110735-26-7, Direct Green 58 Verwandte Suche: