dye|World dye variety

Name:C.I.Direct Violet 39,C.I.23680

Molecular Structure: Double azo class

C.I.Direct Violet 39,C.I.23680,CAS 6059-34-3,888.70,C34H24N4Na2O8S2,Azo Blue

Molecular Formula:C₃₄H₂₄N₄Na₂O₈S₂

Molecular Weight: 726.69

CAS Registry Number:6059-34-3

Manufacturing Methods : 3,3′-Dimethylbenzidine double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.

Properties and Applications:  red light purple. Soluble in water for purple. The strong sulfuric acid for blue, purple precipitation after diluted. The dye solution to join hydrochloric acid has the purple precipitation; Add sodium hydroxide solution for product red.

List of Suppliers:

Azo Blue( Bayer Group )