C6H7NO6S2
253.3 g/mol
Dye & PigmentWarning
2-Aminobenzene-1,4-disulfonic acid
CAS98-44-2EC202-669-6
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
dye intermediate
2-Aminobenzene-1,4-disulfonic acid is a chemical compound used as a dye intermediate in the production of dyes and pigments. Its structure contains an aromatic ring with an amino group and two sulfonic acid groups, contributing to its utility in industrial chemical synthesis.
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
2,9-dimethylquinacridone
CAS980-26-7
Pigment for plastics and dyes
ReferenceSame Category
M-nitroaniline
CAS99-09-2
Dye intermediate for azo dyes
ReferenceSame Category
2-Methyl-4-nitroaniline
CAS99-52-5
dye intermediate
ReferenceSame Category
4-nitro-o-phenylenediamine
CAS99-56-9
Hair dye intermediate
Referencestereoisomer of
Sodium 2-amino-1,4-benzenedisulfonate
CAS24605-36-5
Intermediate for dyes and optical brighteners
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 2-Aminobenzene-1,4-disulfonic acid (CAS 98-44-2) is 2921.42.
HS code (international, 6-digit)
2921.42
EU CN code (8-digit)
2921 42 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
2-aminobenzene-1,4-disulfonic acid
InChIKey
LDCCBULMAFILCT-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1S(=O)(=O)O)N)S(=O)(=O)O
Synonyms (19)
- 1-Anilino-2,5-disulfonic acid
- 2,5-Disulfo-1-aminobenzene
- 2,5-Disulfoaniline
- 2-Amino-1,4-disulfobenzene
- 4-Sulfometanilic acid
- Aniline-2,5-disulfonic acid
- aniline 2,5 disulphonic acid
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