4-Hydroxy-7-phenylamino-3-[[2,5-dimethyl-4-[(4-methyl-2-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt

4-Hydroxy-7-phenylamino-3-[[2,5-dimethyl-4-[(4-methyl-2-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  2-Amino-5-methylbenzenesulfonic acid diazo, and?2,5-Dimethylbenzenamine coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

• Properties and Applications

  red light purple. Soluble in water and ethanol, slightly soluble in acetone. The strong sulfuric acid for blue-ray green; In strong hydrochloric acid in insoluble; In insurance for brown powder in light purple.
  

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

4-Hydroxy-7-phenylamino-3-[[2,5-dimethyl-4-[(4-methyl-2-sodiosulfophenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium salt Upstream-Materialien And Downstream Produkte