4-(p-Aminoanilino)-3-nitrobenzenesulphonic acid is an aromatic sulfonic acid compound used as a dye intermediate in the production of azo dyes. It features two aromatic rings, an amino group, a nitro group, and a sulfonic acid group, contributing to its role in dye synthesis.
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CAS 135-11-5
2,4-diaminobenzenesulfonic acid
Dye intermediate for azo dyes
2-amino-8-hydroxynaphthalene-6-sulfonic acid
Dye intermediate for azo dyes
M-nitroaniline
Dye intermediate for azo dyes
Benzidine-2,2'-disulfonic acid
Dye intermediate for azo dyes
Disodium 3-hydroxynaphthalene-2,7-disulfonate
Dye intermediate
Naphthol AS-D
Naphthol AS-D dye intermediate
3-Hydroxy-N-(2-methoxyphenyl)-2-naphthalenecarboxamide
Naphthol AS coupler for azo dyes
5'-Chloro-3-hydroxy-2'-methyl-2-naphthanilide
Naphthol dye intermediate
4-(4-aminoanilino)-3-nitrobenzenesulfonic acid
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C1=CC(=CC=C1N)NC2=C(C=C(C=C2)S(=O)(=O)O)[N+](=O)[O-]
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