dye|World dye variety

Name:C.I.Direct Violet 3,C.I.22445

Molecular Structure: Double azo class

C.I.Direct Violet 3,C.I.22445,CAS 6507-83-1,800.68,C32H19N4Na3O11S3,Benzo Violet R,Direct Violet RB

Molecular Formula:C₃₂H₁₉N₄Na₃O₁₁S₃

Molecular Weight: 800.68

CAS Registry Number:6507-83-1

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-1-sulfonic acid and 4-Hydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications:  purple. Soluble in water for deep purple, slightly soluble in alcohol for red light purple, insoluble in acetone. The strong sulfuric acid for blue, purple for red after diluted. The dye solution to join strong hydrochloric acid for purplish red color; Add thick sodium hydroxide solution in red.

List of Suppliers:

Benzo Violet R( Bayer Group )

Direct Violet RB(Sinochem Ningbo Imp & Exp Corp)