Acid Brown 120
Name:C.I.Acid Brown 120,C.I.35020
Molecular Structure: Multi-azo class
Molecular Formula:C30H23N12Na3O9S3
Molecular Weight: 860.75
CAS Registry Number: 6428-26-8
Manufacturing Methods : 3-Aminobenzenesulfonic acid diazo, and the coupling Benzene-1,3-diamine, its product (2 Moore) and double the nitride 2,4-Diaminobenzenesulfonic acid (1 Moore) coupled.
Properties and Applications: red light brown. Soluble in water for yellow light brown. For the strong sulfuric acid in dark brown, diluted into a tan. In water solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for orange brown.
List of Suppliers:
Coriimi Acid Brown MX( Industria Chimica Dott )