C12H12N2O3S
264.3 g/mol
Dye & PigmentWarning
5-Amino-2-anilinobenzenesulfonic acid
CAS91-30-5EC202-058-4
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
dye intermediate
5-Amino-2-anilinobenzenesulfonic acid is an organic compound that serves as a dye intermediate, primarily used in the synthesis of dyes and pigments.
dye intermediate
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.
Sourcing 5-Amino-2-anilinobenzenesulfonic acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
SimilarStructure SimilarSimilarity 0.82
5-Amino-2-[(4-aminophenyl)amino]benzenesulfonic acid
CAS119-70-0
dye intermediate
ReferenceSame Category
Diethylaminomethylcoumarin
CAS91-44-1
Optical brightener and laser dye
ReferenceSame Category
Isatin
CAS91-56-5
dye and pigment intermediate
ReferenceSame Category
2-naphthylamine
CAS91-59-8
Dye intermediate and antioxidant
ReferenceSame Category
Quinaldine
CAS91-63-4
Intermediate for dye manufacturing
Safety Reference
Warning
H302Harmful if swallowed
H317May cause an allergic skin reaction
Customs Tariff Classification
The international HS code for 5-Amino-2-anilinobenzenesulfonic acid (CAS 91-30-5) is 2921.51.
HS code (international, 6-digit)
2921.51
EU CN code (8-digit)
2921 51 19
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-amino-2-anilinobenzenesulfonic acid
InChIKey
HYLOSPCJTPLXSF-UHFFFAOYSA-N
SMILES
C1=CC=C(C=C1)NC2=C(C=C(C=C2)N)S(=O)(=O)O
Synonyms (19)
- 4-Amino-2-sulfodiphenylamine
- 4-Amino-2-sulphodiphenylamine
- 6-Anilinometanilic acid
- Metanilic acid, 6-anilino-
Sourcing 5-Amino-2-anilinobenzenesulfonic acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.