1-Naphthalenesulfonic acid, 4-hydroxy-3-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-, monosodium salt

1-Naphthalenesulfonic acid, 4-hydroxy-3-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-, monosodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  2-Amino-3,4,6-trichlorophenol diazotization, and 4-Hydroxynaphthalene-1-sulfonic acid coupling.

• Properties and Applications

  dark purple. Soluble in water for red light purple, right amount soluble in alcohol is purple, insoluble in benzene. In concentrated sulfuric acid for black light green, dilution have orange red precipitation; Slightly soluble in concentrated nitric acid for yellow brown; In a dilute sodium hydroxide solution for yellow red.
  

  Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
  			Alkali	Acid
  ISO	3-4	6	4-5	4	5	5	5

1-Naphthalenesulfonic acid, 4-hydroxy-3-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-, monosodium salt Upstream-Materialien And Downstream Produkte

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