Direct Violet 87 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
4-Amino-3-hydroxynaphthalene-1-sulfonic acid (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, and then into copper complex.
Direct Violet 87 Upstream-Materialien And Downstream Produkte