Name:C.I.Direct Brown 185,C.I.22855
Molecular Structure: Double azo class
Molecular Weight: 578.46
CAS Registry Number:6375-50-4
Properties and Applications: red light brown. Soluble in water for yellow orange, slightly soluble in alcohol. The strong sulfuric acid to red light purple, diluted for brown. The dye solution to join strong hydrochloric acid for orange brown, have precipitation; With strong sodium hydroxide solution for red orange brown.
List of Suppliers:
Chrome Soga Orange 29451( IG Farbenindustrie AG )