Name:C.I.Acid Red 157,C.I.17990
Molecular Structure: Single azo class
Molecular Weight: 710.69
CAS Registry Number:6417-35-2
Manufacturing Methods : p-Amino-N-cyclohexylacetanilide diazo, and 4-Benzamido-5-hydroxynaphthalene-1,7-disulfonic acid coupling.
Properties and Applications: red. Soluble in water for red orange, and adequate soluble in ethanol for orange. The strong sulfuric acid for cherry red, diluted into orange. In water solution to join strong hydrochloric acid have orange precipitation, add sodium hydroxide solution for orange brown.
|Standard||Light Fastness||Soaping||Persperation Fastness||Oxygen bleaching||Fastness to seawater|
List of Suppliers:
Supranol Brilliant Red G( Bayer Group )