C.I. Direct Red 216

C.I. Direct Red 216 화학적 특성, 용도, 생산

• 제조 방법

  mixed N,N-dimethylaniline diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.

• Properties and Applications

  colourful red yellow light. Soluble in water for orange red to red, soluble in ethanol is palm light orange. The strong sulfuric acid for product red to red light purple, diluted in red. The dye solution to join strong hydrochloric acid have red precipitate; With sodium hydroxide have orange brown precipitation.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO	5	4	2	3-4		4

C.I. Direct Red 216 준비 용품 및 원자재