dye|World dye variety

Name:C.I.Direct Red 65,C.I.17870

Molecular Structure: Single azo class

C.I.Direct Red 65,C.I.17870,CAS 6369-37-5,555.54,C26H22N5NaO6S,Light Scarlet 3J

Molecular Formula:C₂₆H₂₂N₅NaO₆S

Molecular Weight: 555.54

CAS Registry Number:6369-37-5

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

Properties and Applications:  yellow light red. Soluble in water for red orange, soluble in ethanol for orange. The strong sulfuric acid in red for product, after diluted to orange, red precipitate. The dye solution to join strong hydrochloric acid for red orange; Add thick sodium hydroxide solution for red orange

List of Suppliers:

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