dye|World dye variety

Name:C.I.Direct Violet 17,C.I.22465

Molecular Structure: Double azo class

C.I.Direct Violet 17,C.I.22465,CAS 6426-65-9,891.79,C38H24N5Na3O11S3,Triazol Violet BN

Molecular Formula:C₃₈H₂₄N₅Na₃O₁₁S₃

Molecular Weight: 891.79

CAS Registry Number:6426-65-9

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first with 4-Hydroxynaphthalene-2,7-disulfonic acid coupling, again in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications: Dark blue purple. Soluble in water for purplish red, slightly soluble in ethanol for pink. The strong sulfuric acid in blue, diluted for dark purple. The dye solution to join strong hydrochloric acid for Red sauce, precipitation; Add thick sodium hydroxide solution for red light brown.

List of Suppliers:

Triazol Violet BN( Chemische Fabrik Griesheim-Elektron )