Direct Blue 185
Name:C.I.Direct Blue 185,C.I.29130
Molecular Structure: Double azo class
Molecular Formula:C40H21N7Na4O20S4
Molecular Weight: 1139.85
CAS Registry Number:6717-39-1
Manufacturing Methods : 4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid (2 Moore) diazo, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine coupling, and then into copper complex.
Properties and Applications: blue.
List of Suppliers:
Helion Navy Blue GL( Ciech SA )