C7H8ClNO3S
221.66 g/mol
Dye & PigmentDanger
2-AMINO-5-CHLORO-4-METHYLBENZENESULFONIC ACID
CAS88-53-9EC201-839-7
Category
Dye & Pigment
Compound Class
Amine
Primary Use
Intermediate for paint and pigment
2-Amino-5-chloro-4-methylbenzenesulfonic acid is an organic compound used as an intermediate in the production of paints and pigments. It features an aromatic ring substituted with amine, sulfonic acid, and chloro functional groups, which contribute to its chemical reactivity.
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
2,4-diaminobenzenesulfonic acid
CAS88-63-1
Dye intermediate for azo dyes
ReferenceSame Category
4-Acetamido-2-aminobenzenesulfonic acid
CAS88-64-2
dye intermediate
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
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 2-AMINO-5-CHLORO-4-METHYLBENZENESULFONIC ACID (CAS 88-53-9) is 2921.43.
HS code (international, 6-digit)
2921.43
EU CN code (8-digit)
2921 43 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-amino-5-chloro-4-methylbenzenesulfonic acid
InChIKey
VYZCFAPUHSSYCC-UHFFFAOYSA-N
SMILES
CC1=CC(=C(C=C1Cl)S(=O)(=O)O)N
Synonyms (20)
- LRCA
- C Amine
- C-Saure
- Lake Red C Amine
- Red Lake C amine
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