4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt

4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  4-Nitrobenzenamine diazo, coupled with 2-Hydroxybenzoic acid, will the nitro reduction, and 4-Amino-N-(4-aminophenyl)benzamide?condensation , then the nitro reduction, and then diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one? coupling.

• Properties and Applications

  red light yellow. Moderate soluble in water for golden brown, soluble in ethanol. The strong sulfuric acid for gold in orange, for yellow brown after diluted. The dye solution to join strong hydrochloric acid for golden brown, precipitation; Add thick sodium hydroxide solution for gold orange.
  

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

4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt Upstream-Materialien And Downstream Produkte

2896-76-6, 4-[[4-[[[4-[(3-Carboxy-4-hydroxyphenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylic acid disodium salt Verwandte Suche: