C6H3ClNNaO5S
259.6 g/mol
Industrial ChemicalWarning
4-Chloro-3-nitrobenzenesulfonic acid, sodium salt
CAS17691-19-9EC241-680-0
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
chemical intermediate for dyes and pigments
This compound is an industrial chemical used primarily as a chemical intermediate in the production of dyes and pigments. It is an aromatic compound containing a sulfonate group, a nitro group, and a chlorine substituent.
chemical intermediate for dyes and pigments
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.
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-Chloro-3-nitrobenzenesulfonic acid, sodium salt (CAS 17691-19-9) is 2904.99.
HS code (international, 6-digit)
2904.99
EU CN code (8-digit)
2904 99 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
sodium 4-chloro-3-nitrobenzenesulfonate
InChIKey
POUGKTDTYSAMAT-UHFFFAOYSA-M
SMILES
C1=CC(=C(C=C1S(=O)(=O)[O-])[N+](=O)[O-])Cl.[Na+]
Synonyms (9)
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