Safety Reference
Danger
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
Sourcing 7-aminonaphthalene-1,3,5-trisulfonic acid?
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pharmaceutical intermediate
Sourcing 7-aminonaphthalene-1,3,5-trisulfonic acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
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.
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.
The international HS code for 7-aminonaphthalene-1,3,5-trisulfonic acid (CAS 27310-25-4) is 2921.45.
2921.45
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.
7-aminonaphthalene-1,3,5-trisulfonic acid
HKTWHHAJDJCUPC-UHFFFAOYSA-N
C1=C(C=C(C2=C1C(=CC(=C2)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)N
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