dye|World dye variety

Name:C.I.Direct Red 168,C.I.19575

Molecular Structure: Single azo class

C.I.Direct Red 168,C.I.19575,CAS 6404-53-1,526.56,C25H19N4NaO4S2,Diazo Brilliant Scarlet 3BA extra

Molecular Formula:C₂₅H₁₉N₄NaO₄S₂

Molecular Weight: 526.56

CAS Registry Number:6404-53-1

Manufacturing Methods :2,4-Dimethylbenzenamine diazo, and 2-(3-Aminophenyl)-6-hydroxynaphtho[2,1-d]thiazole-8-sulfonic acid coupling.

Properties and Applications: red. Soluble in water for red or orange brown, slightly soluble in ethanol for red orange. The strong sulfuric acid for product red, diluted becomes shallow or for red orange. The dye solution to join strong sodium hydroxide solution have orange brown precipitation; Join strong hydrochloric acid have article red precipitate or red precipitate.

List of Suppliers:

Diazo Brilliant Scarlet 3BA extra ( Bayer Group )