Safety Reference
Danger
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H319Causes serious eye irritation
Sourcing 3-Amino-4-hydroxybenzenesulfonic acid?
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4-hydroxymetanilamide
pharmaceutical intermediate
Sourcing 3-Amino-4-hydroxybenzenesulfonic acid?
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3-Amino-4-hydroxybenzenesulfonic acid is a chemical compound that appears as rhombic brown crystals. It is primarily used as an intermediate in the production of dyes and pharmaceuticals.
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 3-Amino-4-hydroxybenzenesulfonic acid (CAS 98-37-3) is 2922.29.
2922.29
2922 29 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
3-amino-4-hydroxybenzenesulfonic acid
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C1=CC(=C(C=C1S(=O)(=O)O)N)O