dye|World dye variety

Name:C.I.Direct Violet 25,C.I.22930

Molecular Structure: Double azo class

C.I.Direct Violet 25,C.I.22930,CAS 6375-56-0,1421.16,C52H30N6Na6O22S6,Brilliant Benzo Violet 2BH

Molecular Formula:C₅₂H₃₀N₆Na₆O₂₂S₆

Molecular Weight: 1421.16

CAS Registry Number:6375-56-0

Manufacturing Methods : 4,4′-Diamino-3,3′-Biphenyldisulfonic acid double nitriding, and Bis(4-hydroxy-2-sulfonaphthalene-7-yl)amine (2 Moore) coupled.

Properties and Applications: dark blue light red. Soluble in water for deep purple, slightly soluble in alcohol. The strong sulfuric acid for blue, for purple diluted. Dye with strong hydrochloric acid solution for dark, precipitation; Add thick sodium hydroxide solution for the navy, precipitation.

List of Suppliers:

Brilliant Benzo Violet 2BH( Bayer Group )