C10H9NO6S2
303.3 g/mol
Dye & PigmentDanger
7-aminonaphthalene-1,3-disulfonic acid
CAS86-65-7EC201-689-2
Category
Dye & Pigment
Compound Class
Amine
Primary Use
intermediate for azo dyes
7-Aminonaphthalene-1,3-disulfonic acid is a sulfonated derivative of naphthalene containing an amino group. It is primarily used as an intermediate in the production of azo dyes.
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
SimilarStructure SimilarSimilarity 0.73
2-amino-8-hydroxynaphthalene-6-sulfonic acid
CAS90-51-7
Dye intermediate for azo dyes
ApplicationSame Use
2-naphthylamine-6-sulfonic acid
CAS93-00-5
intermediate for azo dyes
ApplicationSame Use
Dehydrothio-p-toluidine
CAS92-36-4
intermediate for azo dyes
ApplicationSame Use
7-(Benzoylamino)-4-hydroxy-2-naphthalenesulfonic acid
CAS132-87-6
intermediate for azo dyes
ApplicationSame Use
1-Naphthol-3,6-disulfonic acid
CAS578-85-8
intermediate for azo dyes
ReferenceSame Category
2,4-dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
CAS86-92-0
intermediate for dyes and pigments
ReferenceSame Category
1-hydroxy-6-amino-3-naphthalenesulfonic acid
CAS87-02-5
dye intermediate
ReferenceSame Category
Rhoduline acid
CAS87-03-6
dye intermediate
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 7-aminonaphthalene-1,3-disulfonic acid (CAS 86-65-7) 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
7-aminonaphthalene-1,3-disulfonic acid
InChIKey
CMOLPZZVECHXKN-UHFFFAOYSA-N
SMILES
C1=CC(=CC2=C(C=C(C=C21)S(=O)(=O)O)S(=O)(=O)O)N
Synonyms (17)
- 7-ANDSA
- 1, 7-amino-
- 6,8-disulfo-2-naphthylamine
- 7Am-Naphth-1,3diSO3H
- Amido-G-acid
- Amino-G-Acid
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