C8H10N2O4S
230.24 g/mol
Dye & PigmentWarning
4-Acetamido-2-aminobenzenesulfonic acid
CAS88-64-2EC201-847-0
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
dye intermediate
4-Acetamido-2-aminobenzenesulfonic acid is a sulfonic acid derivative used as a dye intermediate. It contains an amide and an amine functional group on an aromatic ring.
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.
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Related Compounds
ReferenceSame Category
O-nitroaniline
CAS88-74-4
Intermediate for azo dyes and pigments
ReferenceSame Category
4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1-yl)benzenesulfonic acid
CAS88-76-6
Pyrazolone dye intermediate
ReferenceSame Category
Acid Blue 324
CAS88264-80-6
Acid dye for textiles
ReferenceSame Category
1-Diazo-2-naphthol-4-sulfonic acid
CAS887-76-3
Diazo dye intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-Acetamido-2-aminobenzenesulfonic acid (CAS 88-64-2) is 2924.29.
HS code (international, 6-digit)
2924.29
EU CN code (8-digit)
2924 29 70
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
4-acetamido-2-aminobenzenesulfonic acid
InChIKey
FOINSAWEWXUXPQ-UHFFFAOYSA-N
SMILES
CC(=O)NC1=CC(=C(C=C1)S(=O)(=O)O)N
Synonyms (19)
- 3'-Amino-4'-sulfoacetanilide
- 5-Azetylamino-2-sulfoanilin
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