Direct blue 273

Direct blue 273 化学特性,用途語,生産方法

• 製造方法

  3-Aminonaphthalene-1,5-disulfonic acid diazo, and 2-Amino-4-methylanisole coupling, again diazo, and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling, then into chromium complex.

• Properties and Applications

  blue. Mainly used for paper color.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO			6	4	4

Direct blue 273 上流と下流の製品情報

Direct blue 273 生産企業

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