dye|World dye variety

Name:C.I.Direct Red 55,C.I.27780

Molecular Structure: Double azo class

C.I.Direct Red 55,C.I.27780,CAS 6227-08-3,885.75,C34H22N7Na3O12S3,Diamine Brilliant Rubine S

Molecular Formula:C₃₄H₂₂N₇Na₃O₁₂S₃

Molecular Weight: 885.75

CAS Registry Number:6227-08-3

Manufacturing Methods : O-Anisidine diazo, and 2-(3-Aminophenyl)-6-hydroxynaphtho[2,1-d]thiazole-8-sulfonic acid coupling, its product to diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid coupling.

Properties and Applications:  blue-ray red. Soluble in water for product red, and adequate soluble in alcohol for red wine. The strong sulfuric acid for red purple, diluted for red jade. The dye solution with strong hydrochloric acid wine red precipitate; Add thick sodium hydroxide solution have red precipitate.

List of Suppliers:

Diamine Brilliant Rubine S( Carbotex Consultants )