Leuco Sulphur Blue 2

Leuco Sulphur Blue 2 Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  N-[p-(p-hydroxyanilino)phenyl]anthranilic acid?in Sodium polysulfide solution in return 105 ~ 106 ° C heating 65 hours, then add salt from Sodium sulfide solution precipitation dye crude products, in the cold dilute Sodium hydroxide solution air oxidation. This Indophenol?is by N-Phenylanthranilic acid?and?4-Nitrosophenol?condensation, product with Sodium hydrosulfide and reduction.

• Properties and Applications

  blue.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
  						Moderate	Severe
  ISO	3	4	4-5	3		3	2-3

Leuco Sulphur Blue 2 Upstream-Materialien And Downstream Produkte

12262-24-7, Leuco Sulphur Blue 2 Verwandte Suche: