Direct Brown 206
Name:C.I.Direct Brown 206,C.I.25010
Molecular Structure: Double azo class
Molecular Formula:C26H14N6Na4O13S2
Molecular Weight: 774.51
CAS Registry Number:1325-30-0
Manufacturing Methods : 4-Nitrobenzenamine diazo, and 2-Hydroxybenzoic acid coupling, garnish with glucose and sodium hydroxide solution will nitro reduction, and finally sulfonated.
Properties and Applications: dark red light brown
List of Suppliers:
Ergan Soga Brown 3R( IG Farbenindustrie AG )