Safety Reference
Danger
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319
Sourcing 5-aminonaphthalene-1-sulfonic acid?
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1,5-Naphthalenedisulfonic acid tetrahydrate
intermediate for dyes and pigments
Sourcing 5-aminonaphthalene-1-sulfonic acid?
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5-Aminonaphthalene-1-sulfonic acid is a naphthalenesulfonic acid that serves as a dye intermediate. It is also used as a fluorophore for fluorescent nucleotide substrates in laboratory research.
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 5-aminonaphthalene-1-sulfonic acid (CAS 84-89-9) 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.
5-aminonaphthalene-1-sulfonic acid
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