Benzenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-3-nitro-, monosodium salt

Benzenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-3-nitro-, monosodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  4-Amino-2-nitrobenzenesulfonic acid diazotization, with Naphthalen-2-ol coupling

• Properties and Applications

  red light orange. Soluble in water and ethanol for yellow light brown. The strong sulfuric acid for orange brown, with golden yellow diluted. In water solution to join strong hydrochloric acid for yellow brown; Add thick sodium hydroxide solution for red light orange brown. Can be used for wool, silk fiber dyeing etc, and can also be used to dye the leather and manufacturing organic pigments.
  

  Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
  		Fading	Stain		Fading	Stain	Fading	Stain
  ISO	4	2-3	2	2-3	1		3

Benzenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-3-nitro-, monosodium salt Upstream-Materialien And Downstream Produkte

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