dye|World dye variety

Name:C.I.Acid Brown 89,C.I.17570

Molecular Structure: Single azo class

C.I.Acid Brown 89,C.I.17570,CAS 6417-27-2,525.47,C19H17N3Na2O8S2,Igenal Brown PRBF

Molecular Formula:C₁₉H₁₇N₃Na₂O₈S₂

Molecular Weight: 525.47

CAS Registry Number: 6417-27-2

Manufacturing Methods :   O-Anisidine diazo, in alkaline conditions and 4-Hydroxy-6-(2-sulfoethylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications: Dark time Soluble in water for red brown, the solubility in ethanol is very small. The strong sulfuric acid for purple, diluted into pink. In water solution to join strong hydrochloric acid is palm orange; Add thick sodium hydroxide solution by red to product red.

List of Suppliers:

Igenal Brown PRBF( IG Farbenindustrie AG )