dye|World dye variety

Name:C.I.Direct Violet 36,C.I.22470

Molecular Structure: Double azo class

C.I.Direct Violet 36,C.I.22470,CAS 6472-94-2,800.68,C23H19N4Na3O11S3,Heliotrope 2B

Molecular Formula:C₂₃H₁₉N₄Na₃O₁₁S₃

Molecular Weight: 800.68

CAS Registry Number:6472-94-2

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first and 7-Hydroxynaphthalene-1-sulfonic acid coupling, and then and 8-Hydroxynaphthalene-1,6-disulfonic acid coupling.

Properties and Applications: bright purple. Soluble in water for red light purple jade to red, and adequate soluble in alcohol. The strong sulfuric acid for blue, pink is diluted. The dye solution to join strong hydrochloric acid for dark, precipitation; Add thick sodium hydroxide solution for wine red, have precipitation.

List of Suppliers:

Heliotrope 2B( Aktiengesellschaft für Anilin-Fabrikation )