4-(1-Naphthylazo)-1-naphthol

Solvent Brown 5 Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  Naphthalen-1-amine diazotization, and Naphthalen-1-ol?coupling.

• Properties and Applications

  dark brown (NC raw lacquer). Soluble in ethanol for yellow brown. In concentrated sulfuric acid for deep green light black, dilution after blue black, then there is dark brown precipitation. Dye alcohol solution to join concentrated hydrochloric acid don’t change; Add 5% sodium hydroxide solution for blue light red. Used for oil, paraffin wax, cellulose and synthetic resin paint color.
  

  Standard	Light Fastness	Heat-resistant(℃)		water	Sodium Carbonate(5%)	Hydrochloric acid(5%)
  		Melting point	Stable
  ISO	Poor	170	100≥100 Sublimation	Insoluble	Good	Good

Solvent Brown 5 Upstream-Materialien And Downstream Produkte

4-(1-Naphthylazo)-1-naphthol Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global(15)Suppliers

2653-72-7, Solvent Brown 5 Verwandte Suche: