다이렉트패스트바이올렛2RL

다이렉트패스트바이올렛2RL 화학적 특성, 용도, 생산

• 제조 방법

  2-Amino-3,5-dimethylbenzenesulfonic acid diazo, and?2,5-Dimethylbenzenamine coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

• Properties and Applications

  purple. Soluble in water for product red to red light purple, and adequate soluble in alcohol. The strong sulfuric acid for Tracy in blue, and in purple for diluted. The dye solution to join strong hydrochloric acid for blue purple, have precipitation; Add sodium hydroxide solution have strong purplish red precipitate.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO	4	4	3-4	1-2		1
  AATCC	4	4	4	1		1

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