Name:C.I.Direct Red 110,C.I.28370
Molecular Structure: Double azo class
Molecular Weight: 830.58
CAS Registry Number:5852-18-6
Manufacturing Methods : 2-Amino-3,5-dichlorobenzenesulfonic acid diazo, and m-Toluidine
coupling, and then a sulfonic acid hydrolysis off base, again diazo, and 7-(3-(4-Acetamidophenyl)ureido)-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications: blue-ray red. Soluble in water for product red to blue light red, soluble in ethanol in red. In the strong sulfuric acid as dark blue, diluted red for blue-ray. The dye solution to join strong hydrochloric acid have purplish red precipitate; Add sodium hydroxide solution have strong purplish red precipitate.
|Standard||Acid Resistance||Alkali Resistance||Light Fastness||Soaping||Water|
List of Suppliers:
Sirius Supra Red 5B( Bayer Group )