C10H9NO9S3
383.4 g/mol
Pharmaceutical IntermediateDanger
7-aminonaphthalene-1,3,5-trisulfonic acid
CAS27310-25-4EC248-394-5
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
7-aminonaphthalene-1,3,5-trisulfonic acid is a chemical compound used primarily as an intermediate in the production of dyes for the textile industry. Its structure features an amine group and three sulfonic acid groups attached to a naphthalene ring system.
dye intermediate for textile industry
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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Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for 7-aminonaphthalene-1,3,5-trisulfonic acid (CAS 27310-25-4) 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-1,3,5-trisulfonic acid
InChIKey
HKTWHHAJDJCUPC-UHFFFAOYSA-N
SMILES
C1=C(C=C(C2=C1C(=CC(=C2)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)N
Synonyms (7)
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