Acid Brown 113
Name:C.I.Acid Brown 113,C.I.359245
Molecular Structure: Multi-azo class
Molecular Formula:C40H24N11Na3O16S3
Molecular Weight: 1079.85
CAS Registry Number: 177159-57-8
Manufacturing Methods : 4-Nitrobenzenamine diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, its product to diazo, Coupled with resorcinol, product again with diazo of 4-Nitrobenzenamine and 5-Amino-2-(phenylamino)benzenesulfonic acid coupling.
Properties and Applications: Dark brown
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