Direct Brown 227

Direct Brown 227 化学特性,用途語,生産方法

• 製造方法

  4-Amino-N-(4-aminophenyl)benzamide double nitriding, first coupled with 2-Hydroxybenzoic acid , again and 4-Aminobenzenesulfonic acid diazo, in acid conditions and Benzene-1,3-diamine match-mismatch things coupled.

• Properties and Applications

  Red light brown.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO			2	3	2	3-4	2-3

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, Direct Brown 227 キーワード