Name:C.I.Direct Red 130,C.I.28340
Molecular Structure: Double azo class
Molecular Weight: 870.77
CAS Registry Number:5915-62-8
Manufacturing Methods : 3-Aminonaphthalene-1,5-disulfonic acid diazo, and a coupling m-Toluidine
, its product to diazo, and 7-(4-Amino-3-methylbenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications: Claret. Soluble in water and ethanol for blue-ray red. The strong sulfuric acid for green light blue, for orange brown after diluted. The dye solution to join strong hydrochloric acid have red light brown precipitation; Add thick sodium hydroxide solution for Claret.
|Standard||Acid Resistance||Alkali Resistance||Light Fastness||Soaping||Water|
List of Suppliers:
Diazo Bordeaux 7BL( IG Farbenindustrie AG )