Safety Reference
Danger
H228Flammable solid
H314Causes severe skin burns and eye damage
H317
Sourcing 1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt?
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Sourcing 1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
This compound is a diazonium inner salt derived from naphthalenesulfonic acid, commonly used as an intermediate in the production of diazo 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.
The international HS code for 1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt (CAS 887-76-3) is 2927.00.
2927.00
2927 00 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
4-diazonio-3-hydroxynaphthalene-1-sulfonate
QHIBNGIZPPHJAT-UHFFFAOYSA-N
C1=CC=C2C(=C1)C(=CC(=C2[N+]#N)O)S(=O)(=O)[O-]
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