C6H6N2O6S
234.19 g/mol
Dye & PigmentWarning
3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid
CAS96-67-3EC202-523-1
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
dye intermediate
3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid is a brown powder used as a dye intermediate.
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
2-amino-5-nitrobenzenesulfonic acid
CAS96-75-3
dye intermediate
ReferenceSame Category
Picramic acid
CAS96-91-3
oxidation base for dyeing fur
ReferenceSame Category
2-Amino-6-nitro-1-phenol-4-sulfonic acid
CAS96-93-5
Dye intermediate
ReferenceSame Category
2-nitro-4-methoxyaniline
CAS96-96-8
Pigment intermediate for fine chemicals
Safety Reference
Warning
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid (CAS 96-67-3) is 2922.29.
HS code (international, 6-digit)
2922.29
EU CN code (8-digit)
2922 29 00
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
3-amino-2-hydroxy-5-nitrobenzenesulfonic acid
InChIKey
DQIVFTJHYKDOMZ-UHFFFAOYSA-N
SMILES
C1=C(C=C(C(=C1N)O)S(=O)(=O)O)[N+](=O)[O-]
Synonyms (25)
- 2-AMINO-4-NITRO-6-SULFOPHENOL
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