C6H6ClNO3S
207.64 g/mol
Dye & PigmentWarning
5-Amino-2-chlorobenzenesulfonic Acid
CAS88-43-7EC201-830-8
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Intermediate for pigment red 58
5-Amino-2-chlorobenzenesulfonic acid is a chemical compound primarily used as an intermediate in the production of Pigment Red 58.
Chemical intermediate for Pigment Red 58
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-methylbenzenesulfonic acid
CAS88-44-8
Pigment intermediate
ReferenceSame Category
2,5-diaminobenzenesulfonic acid
CAS88-45-9
Intermediate for azo dyes
ReferenceSame Category
4-Amino-2,5-dichlorobenzenesulfonic acid
CAS88-50-6
Dye intermediate
ReferenceSame Category
3-amino-6-chlorotoluene-4-sulfonic acid
CAS88-53-9
Intermediate for paint and pigment
Safety Reference
Warning
H317May cause an allergic skin reaction
Customs Tariff Classification
The international HS code for 5-Amino-2-chlorobenzenesulfonic Acid (CAS 88-43-7) 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
5-amino-2-chlorobenzenesulfonic acid
InChIKey
VPXCXBHLKDPWQV-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1N)S(=O)(=O)O)Cl
Synonyms (14)
- 4-Chloro-3-sulfoaniline
- 6-CHLOROMETANILIC ACID
- Metanilic acid, 6chloro
- Metanilic acid, 6chloro (8CI)
- pChloroanilinemsulfonic acid
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