dye|World dye variety

Name:C.I.Acid Brown 8,C.I.13000

Molecular Structure: Single azo class

C.I.Acid Brown 8,C.I.13000,CAS 6407-85-8,384.38,C20H13N2NaO3S,Azo Acid Brown

Molecular Formula:C₂₀H₁₃N₂NaO₃S

Molecular Weight: 384.38

CAS Registry Number:6407-85-8

Manufacturing Methods : 6-Aminonaphthalene-2-sulfonic acid diazo, and Naphthalen-1-amine coupling, and then diazo, and with ethanol and sodium carbonate common heating, away with amino.

Properties and Applications: brown. Water solution is yellow brown, but water-soluble not beautiful, easily soluble in ethanol is yellow light brown. In the dark for the strong sulfuric acid (purple and product red), after diluted for brown. In aqueous solution to join strong hydrochloric acid for yellow olive brown; Add thick hydrogen for orange brown, oxidation solution.

List of Suppliers:

Azo Acid Brown( Bayer Group )