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1,2-Benzisothiazol-3(2H)-one, 1,1-dioxide, ammonium salt

CAS 6381-61-9

Molecular structure of 6381-61-9
1 NH₄⁺
US productionNot reported
Import value, 2024$18M
Top sourceSouth Korea 56%

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

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 292511 · narrow

These shares come from HS customs code 292511, which covers 5 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
KR 56%South KoreaCN 23%ChinaIN 20%IndiaID 1%Indonesia

Why It Matters

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

Chemical Identity

CAS6381-61-9
PubChem CIDNot recorded
DTXSIDDTXSID7027621
FormulaC7H8N2O3S
Mol. Weight200.21 g/mol
SMILES[NH4+].O=C1[N-]S(=O)(=O)C2=C1C=CC=C2

Data Sources

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Brief citations

1,2-Benzisothiazol-3(2H)-one, 1,1-dioxide, ammonium salt (CAS 6381-61-9) https://chemicalindependence.com/chemical/6381-61-9/ EPA CompTox (DSSTox): 6381-61-9. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7027621 EPA TSCA Inventory: CAS 6381-61-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292511 for CAS 6381-61-9. Reporting year: 2024. https://usatrade.census.gov/