dye|World dye variety

Name:C.I.Direct Red 123,C.I.17820

Molecular Structure: Single azo class

C.I.Direct Red 123,C.I.17820,CAS 6470-23-1,514.49,C24H19N4NaO6S

Molecular Formula:C₂₄H₁₉N₄NaO₆S

Molecular Weight: 514.49

CAS Registry Number:6470-23-1

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

Properties and Applications:  red. Soluble in water for red, moderate soluble in alcohol for red orange, and adequate soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for purple, diluted in red. The dye solution to join strong hydrochloric acid for red to blue light red, precipitation; Add thick sodium hydroxide solution have orange brown precipitation.

List of Suppliers: