C10H10N2O3S
238.27 g/mol
Dye & PigmentWarning
5,6-diaminonaphthalene-1-sulfonic acid
CAS84-92-4EC201-574-7
Category
Dye & Pigment
Compound Class
Amine
Primary Use
naphthalene sulfonic acid dye intermediate
5,6-Diaminonaphthalene-1-sulfonic acid is a naphthalene sulfonic acid dye intermediate. This compound contains two amine groups and a sulfonic acid group on a naphthalene ring system, making it a building block for dye manufacturing.
dye intermediate
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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Safety Reference
Warning
H317May cause an allergic skin reaction
Customs Tariff Classification
The international HS code for 5,6-diaminonaphthalene-1-sulfonic acid (CAS 84-92-4) is 2921.59.
HS code (international, 6-digit)
2921.59
EU CN code (8-digit)
2921 59 90
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
5,6-diaminonaphthalene-1-sulfonic acid
InChIKey
AWXNJVXWJMGHMQ-UHFFFAOYSA-N
SMILES
C1=CC2=C(C=CC(=C2N)N)C(=C1)S(=O)(=O)O
Synonyms (6)
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