Sodium 2-chloro-5-nitrobenzenesulphonate

CAS 946-30-5

Benzenesulfonic acid, 2-chloro-5-nitro-, sodium salt (1:1)

Molecular structure of 946-30-5
1 Na⁺
US productionNot reported
Import value, 2024$9M
Top sourceChina 53%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290499 · basket

These shares come from HS customs code 290499, which covers 112 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 53%ChinaIN 30%IndiaUA 4%UkraineTW 4%TaiwanIT 4%Italy

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS946-30-5
PubChem CIDNot recorded
DTXSIDDTXSID4061339
FormulaC6H3ClNNaO5S
Mol. Weight259.59 g/mol
SMILES[Na+].[O-][N+](=O)C1=CC(=C(Cl)C=C1)S([O-])(=O)=O

Data Sources

Brief citations

Sodium 2-chloro-5-nitrobenzenesulphonate (CAS 946-30-5) https://chemicalindependence.com/chemical/946-30-5/ EPA TSCA Inventory: CAS 946-30-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290499 for CAS 946-30-5. Reporting year: 2024. https://usatrade.census.gov/