C7H9NO4S
203.22 g/mol
Dye & PigmentDanger
Benzenesulfonic acid, 3-amino-4-methoxy-
CAS98-42-0EC202-667-5
Category
Dye & Pigment
Compound Class
Amine
Primary Use
dye intermediate for food products
This compound is a synthetic organic compound used as an intermediate in the production of specialty dyes for food products.
dye intermediate for food products
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-p-benzenedisulfonic acid
CAS98-44-2
dye intermediate
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
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
Customs Tariff Classification
The international HS code for Benzenesulfonic acid, 3-amino-4-methoxy- (CAS 98-42-0) 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-4-methoxybenzenesulfonic acid
InChIKey
FLIOATBXVNLPLK-UHFFFAOYSA-N
SMILES
COC1=C(C=C(C=C1)S(=O)(=O)O)N
Synonyms (14)
- 2-Anisidine-4-sulfonic acid
- 2-Methoxy-5-sulfoaniline
- 4-Methoxymetanilic acid
- Metanilic acid, 4-methoxy-
- o-Anisidin-p-sulfosaure
- o-Anisidine-4-sulfonic acid
- o-Anisidine-5-sulfonic Acid
- o-Anisidine-p-sulfonic acid
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