Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing H acid monosodium salt?
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3-amino-5-chloro-2-hydroxybenzenesulfonic acid
Dye intermediate for azo dyes
Sourcing H acid monosodium salt?
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H acid monosodium salt is a dye intermediate primarily used in the production of azo dyes. It is an aromatic compound containing amine and sulfonate groups, commonly employed in industrial dye synthesis.
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 H acid monosodium salt (CAS 5460-09-3) is 2922.21.
2922.21
2922 21 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
sodium 4-amino-5-hydroxy-7-sulfonaphthalene-2-sulfonate
QPILZZVXGUNELN-UHFFFAOYSA-M
C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])N)O)S(=O)(=O)O.[Na+]