dye|World dye variety

Name:C.I.Direct Blue 186,C.I.34139

Molecular Structure: trisazo class

C.I.Direct Blue 186,C.I.34139,CAS 6416-70-2,877.77,C36H22N7Na3O10S3,Satum Blue LRR

Molecular Formula:C₃₆H₂₂N₇Na₃O₁₀S₃

Molecular Weight: 877.77

CAS Registry Number:6416-70-2

Manufacturing Methods :  3-Aminobenzenesulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications:  red light navy blue.

List of Suppliers:

Satum Blue LRR(  Chemapol )