dye|World dye variety

Name:C.I.Direct Violet 8,C.I.17500

Molecular Structure: Single azo class

C.I.Direct Violet 8,C.I.17500,CAS 6417-26-1,686.6,C32H24N4Na2O9S,Brilliant Benzo Violet RR

Molecular Formula:C₃₂H₂₄N₄Na₂O₉S

Molecular Weight: 686.6

CAS Registry Number:6417-26-1

Manufacturing Methods :  3,3′-Dimethoxy-4-amino-4,-biphenyloxamic acid diazo, and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

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

List of Suppliers:

Brilliant Benzo Violet RR( Bayer Group )