Mordant Black 74

Mordant Black 74 化学特性,用途語,生産方法

• 製造方法

  8-Amino-4-hydroxynaphthalene-2-sulfonic acid diazotization, and 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazotization, in alkaline condition and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

• Properties and Applications

  blue black (dichromate treatment). Soluble in water for purple black, not soluble in ethanol. In concentrated sulfuric acid to green light blue, dilution after red light blue. Dye aqueous solution to join concentrated hydrochloric acid have red light blue precipitation; Join concentrated sodium hydroxide solution for red light blue, precipitation.
  

  Standard	Ironing Fastness	Light Fastness	Fulling		Persperation Fastness	Soaping	Water
  			Alkali	Acid
  ISO	4	6-7	4-5		5	4-5	5

Mordant Black 74 上流と下流の製品情報

6227-06-1, Mordant Black 74 キーワード