Acid Brown 470 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-Amino-5-hydroxynaphthalene-2,7-disulfonic aciddiazo, Coupled with resorcinol, then respectively and diazo of 4-Nitrobenzenamine and 2-Amino-4-nitrophenol coupling
Acid Brown 470 Upstream-Materialien And Downstream Produkte