6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt

6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  2-Amino-4,6-dinitrophenol diazotization, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

• Properties and Applications

  dark red light brown. Soluble in water for purple. In concentrated sulfuric acid for red, orange precipitation after dilution. Dye aqueous solution to join concentrated hydrochloric acid have orange brown precipitation; Join concentrated sodium hydroxide solution have brown light purple precipitation.
  

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

6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt Upstream-Materialien And Downstream Produkte

6-Hydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global(1)Suppliers

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