dye|World dye variety

Name:C.I.Direct Violet 27,C.I.22460

Molecular Structure: Double azo class

C.I.Direct Violet 27,C.I.22460,CAS 6426-64-8,815.70,C32H20N5Na3O11S3,Diamine Heliotrope B

Molecular Formula:C₃₂H₂₀N₅Na₃O₁₁S₃

Molecular Weight: 815.70

CAS Registry Number:6426-64-8

Manufacturing Methods :  4-(4-Aminophenyl)benzenamine double nitriding, first with 4-Hydroxynaphthalene-2,7-disulfonic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications:  purple. Soluble in water for red light purple, and adequate soluble in ethanol for product red. In the strong sulfuric acid as dark blue, diluted for purplish red color. The dye solution to join strong hydrochloric acid for purplish red color, have precipitation; Add thick sodium hydroxide solution for red wine.

List of Suppliers:

Diamine Heliotrope B( Carbotex Consultants )