dye|World dye variety

Name:C.I.Direct Blue 50,C.I.24205

Molecular Structure: Double azo class

C.I.Direct Blue 50,C.I.24205,CAS 6428-99-5,758.69,C34H24N4Na2O10S2,Trisulfon Blue B

Molecular Formula:C₃₄H₂₄N₄Na₂O₁₀S₂

Molecular Weight: 758.69

CAS Registry Number:6428-99-5

Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, and 5-Hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.

Properties and Applications: blue. Soluble in water for red light purple, soluble in ethanol for purple. The strong sulfuric acid for blue, purple for red after diluted. The dye solution to join strong hydrochloric acid for dark red light purple, accompanied by precipitation; Add thick sodium hydroxide solution for red light purple.

List of Suppliers:

Trisulfon Blue B(Sandoz Ltd )