C10H9NO3S
223.25 g/mol
Dye & PigmentWarning
6-Aminonaphthalene-2-sulfonic acid
CAS93-00-5EC202-208-9
Category
Dye & Pigment
Compound Class
Amine
Primary Use
intermediate for azo dyes
6-Aminonaphthalene-2-sulfonic acid is an organic compound used as an intermediate in the production of azo dyes. Structurally, it features an amine group and a sulfonic acid group on a naphthalene ring system, contributing to its solubility and reactivity in dye synthesis.
intermediate for azo dyes
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
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fluorescent dye
Safety Reference
Warning
H317May cause an allergic skin reaction
Customs Tariff Classification
The international HS code for 6-Aminonaphthalene-2-sulfonic acid (CAS 93-00-5) is 2921.45.
HS code (international, 6-digit)
2921.45
EU CN code (8-digit)
2921 45 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
6-aminonaphthalene-2-sulfonic acid
InChIKey
SEMRCUIXRUXGJX-UHFFFAOYSA-N
SMILES
C1=CC2=C(C=CC(=C2)S(=O)(=O)O)C=C1N
Synonyms (26)
- 6-ANS
- 1,6-Clev's acid
- 2-Amino-6-sulfonaphthalene
- 6-SULFO-2-NAPHTHYLAMINE
- Broenner's acid
- Broenner-Saeure
- Bronner acid
- Bronner's acid
- Phenamine Fast Scarlet 4BGP
- Pontamine Fast Scarlet 4BA
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