2-(4-Aminoanilino)-5-nitrobenzenesulphonic acid is a chemical compound used as a dye intermediate, featuring both amine and nitro functional groups on an aromatic ring system. It is primarily significant in the synthesis of dyes and pigments.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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4-Aminodiphenyamine-2-sulfonic acid
dye intermediate
Diethylaminomethylcoumarin
Optical brightener and laser dye
Isatin
dye and pigment intermediate
2-naphthylamine
Dye intermediate and antioxidant
The international HS code for 2-(4-Aminoanilino)-5-nitrobenzenesulphonic acid (CAS 91-29-2) is 2921.59.
2921.59
2921 59 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
2-(4-aminoanilino)-5-nitrobenzenesulfonic acid
GSITZZUEHIPPMH-UHFFFAOYSA-N
C1=CC(=CC=C1N)NC2=C(C=C(C=C2)[N+](=O)[O-])S(=O)(=O)O
Sourcing 2-(4-Aminoanilino)-5-nitrobenzenesulphonic acid?
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