dye|World dye variety

Name:C.I.Direct Blue 19,C.I.22485

Molecular Structure: Double azo class

C.I.Direct Blue 19,C.I.22485,CAS 6426-68-2,713.65,C32H21N5Na2O8S2,Direct Blue 3R

Molecular Formula:C₃₂H₂₁N₅Na₂O₈S₂

Molecular Weight: 713.65

CAS Registry Number:6426-68-2

Manufacturing Methods :  4-(4-Aminophenyl)benzenamine double nitriding, and Naphthalen-2-ol coupling, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications: Red light blue and red light navy blue.

List of Suppliers:

Direct Blue 3R( Aziende Colon Nazionali Affini (ACNA) )