dye|World dye variety

Name:C.I.Direct Red 64,C.I.17875

Molecular Structure: Single azo class

C.I.Direct Red 64,C.I.17875,CAS 6417-30-7,571.54,C26H22N5NaO7S,Diazol Light Scarlet 5B

Molecular Formula:C₂₆H₂₂N₅NaO₇S

Molecular Weight: 571.54

CAS Registry Number:6417-30-7

Manufacturing Methods : O-Anisidine diazo, and 7-(3-(4-Acetamidophenyl)ureido)-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications:  red. Slightly soluble in water for red, right amount to orange soluble in alcohol. The strong sulfuric acid for purple, for the big red after diluted, precipitation. The dye solution with strong hydrochloric acid have article red precipitate; Add thick sodium hydroxide solution for red light orange brown, have precipitation.

List of Suppliers:

Diazol Light Scarlet 5B( Francolor Pigments SA )