Acid Red 142

Acid Red 142 화학적 특성, 용도, 생산

• 제조 방법

  4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

• Properties and Applications

  red. Soluble in water for red, soluble in ethanol for orange red. In the strong sulfuric acid as dark blue, diluted into red. In water solution to join strong hydrochloric acid by brown orange into palm red; Add thick sodium hydroxide solution for purplish red color.
  

  Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
  		Fading	Stain		Fading	Stain	Fading	Stain
  ISO	4	4	5	2-3	4-5

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