Dinatrium-5-amino-4-hydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalin-2,7-disulfonat

disodium 5-amino-4-hydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-2,7-disulphonate Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  2-Amino-4,6-dinitrophenol diazotization, in alkaline condition and?4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling

• Properties and Applications

  Deep green. Soluble in water is purple, not soluble in ethanol. In concentrated sulfuric acid for red, dilution after purple, blue light red precipitation. Dye aqueous solution to join concentrated hydrochloric acid for magenta; With strong caustic is purple.
  

  Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
  			Alkali	Acid
  ISO	5	2-3	4		5	5	5

disodium 5-amino-4-hydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-2,7-disulphonate Upstream-Materialien And Downstream Produkte

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