Leuco Sulphur Brown 8

Leuco Sulphur Brown 8 Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  1-Methyl-2,4-dinitrobenzene and Sodium polysulfide in 220 ~ 230 ℃ calcination 15 ~ 20 hours, with Sodium hydroxide product processing.

• Properties and Applications

  brown. Brown powder. In the water partly dissolved, for brown. In the Sodium sulfide solution solubility is good, for yellow to red orange; In concentrated sulfuric acid partly dissolved, for orange brown, dilution have orange brown precipitation. In acetic acid or metal chromium, copper red, dark. In the basic insurance powder solution is almost invariant color; In Sodium hypochlorite solution for light yellow, join concentrated sulfuric acid turn yellow. Used for cotton, hemp, viscose fabric dyeing.
  

  Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
  						Moderate	Severe
  ISO	3-4	3-4	3-4	5		5	4-5

Leuco Sulphur Brown 8 Upstream-Materialien And Downstream Produkte

Leuco Sulphur Brown 8 Verwandte Suche: