Direct Red 69

Direct Red 69 化学特性,用途語,生産方法

• 製造方法

  p-Methylaniline (2 Moore) and sulfur (4.5 atomic ratio) in 200 ~ 280 ℃ heat, with hair smoke from the sulphonated sulfuric acid alkali primrose spirit. The product C.I. Direct Yellow 59 (C.I. 49000) diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.

• Properties and Applications

  red. Soluble in water is cherry red, not soluble in alcohol. The strong sulfuric acid for purple, after diluted purple precipitation. The dye solution to join strong hydrochloric acid with purple precipitation; Add thick sodium hydroxide solution no change.
  

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

Direct Red 69 上流と下流の製品情報

Direct Red 69 生産企業

Global(1)Suppliers

5915-58-2, Direct Red 69 キーワード