C.I. Direct Red 112

C.I. Direct Red 112 化学特性,用途語,生産方法

• 製造方法

  in reflux conditions (or a little take pressure), in sodium hydroxide solution ?(E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid?with ?2-Aminobenzenesulfonic acid sodium diazotization and Naphthalen-1-amine coupled with heating products. Reaction to the different proportion of material that get different commodity dye.

• Properties and Applications

  dark red yellow light. Soluble in water for orange brown, slightly soluble in alcohol. The strong sulfuric acid for blue-ray in black and Gray light black, dilute for yellow brown to olive after brown. The dye solution with strong hydrochloric acid have yellow olive brown precipitation; Add thick sodium hydroxide solution for palm light orange.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
  				Fading	Stain	Fading	Stain
  ISO	4-5	4-5	5-6	3-4		3-4

C.I. Direct Red 112 上流と下流の製品情報

12262-21-4, C.I. Direct Red 112 キーワード