3-[(5-Chloro-2-hydroxy-3-sulfophenyl)azo]-4-hydroxy-1-naphthalenesulfonic acid disodium salt

3-[(5-Chloro-2-hydroxy-3-sulfophenyl)azo]-4-hydroxy-1-naphthalenesulfonic acid disodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  3-Amino-5-chloro-2-hydroxybenzenesulfonic acid diazotization, and 4-Hydroxynaphthalene-1-sulfonic acid coupling.

• Properties and Applications

  dark blue purple. Soluble in water for wine red, right amount soluble in ethanol to red. In concentrated sulfuric acid to purple, red orange after diluted. Dye aqueous solution to join concentrated hydrochloric acid for red orange; Add nano hydroxide to red.
  

  Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
  			Alkali	Acid
  ISO	5	6	5	4	4	5	4-5

3-[(5-Chloro-2-hydroxy-3-sulfophenyl)azo]-4-hydroxy-1-naphthalenesulfonic acid disodium salt Upstream-Materialien And Downstream Produkte

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