dye|World dye variety

Name:C.I.Direct Violet 56,C.I.17510

Molecular Structure: Single azo,Metal Complexes

C.I.Direct Violet 56,C.I.17510,CAS 6408-20-4,559.48,C22H15N3Na2O8S2,Korostan Violet R

Molecular Formula:C₂₂H₁₅N₃Na₂O₈S₂

Molecular Weight: 559.48

CAS Registry Number:6408-20-4

Manufacturing Methods : 3-Amino-4-hydroxybenzenesulfonic acid diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling, and then into copper complex.

Properties and Applications: purple. Soluble in water, slightly soluble in alcohol. In strong hydrochloric acid for big red; In the thick of sodium hydroxide solution for orange.

List of Suppliers:

Korostan Violet R( SBU Pigments and Dyes )