Name:C.I.Direct Red 8,C.I.28105/28015
Molecular Structure: Double azo class
Molecular Weight: 662.01
CAS Registry Number:5873-18-7
Properties and Applications: colourful red blue light. Soluble in water for product red, slightly soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for blue, pink is diluted; In nitric acid in purple precipitation. The dye solution with strong hydrochloric acid have blue-ray red to purplish red precipitate; Add thick sodium hydroxide solution have red light purple precipitation.
|Standard||Acid Resistance||Alkali Resistance||Light Fastness||Soaping||Water|
List of Suppliers:
Sirius Rubine R( Bayer Group )