dye|World dye variety

Name:C.I.Direct Violet 43,C.I.22440

Molecular Structure: Double azo class

C.I.Direct Violet 43,C.I.22440,CAS 6426-63-7,698.63,C32H20N4Na2O8S2,Diazol Violet R

Molecular Formula:C₃₂H₂₀N₄Na₂O₈S₂

Molecular Weight: 698.63

CAS Registry Number:6426-63-7

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.

Properties and Applications: red light purple. Soluble in water for purplish red color, not soluble in alcohol. The strong sulfuric acid in the dark for, for the red light purple diluted. The dye solution to join strong sodium hydroxide solution for blue-ray red.

List of Suppliers:

Diazol Violet R( Francolor Pigments SA )