1,2-Benzisothiazolin-3-one

U.S. production volumes are classified as confidential business information.

US ProductionCBI

Import Value$104M

Top SourceChina 56%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 293420 · basket

These shares come from HS customs code 293420, which covers 13 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries

CN 56%ChinaBE 33%BelgiumIN 4%IndiaIT 3%ItalyES 2%Spain

EPA-registered importers (1)

Yara North America

Why It Matters

Sectors

Construction

Downstream UsesNo data available

FDA Shortage Status

No FDA shortage records

Industrial Uses

Used in 2 sectors as 3 functional roles.

•Anti-adhesive agents in Wood Product ManufacturingProcessing—incorporation into article
•Sealant (barrier) in ConstructionUse—non-incorporative activities
•Adhesives and sealant chemicals in ConstructionUse—non-incorporative activities

Vendor Pricing

$0.14/gA2B Chem LLC

CountryUnited States

Pack$72.00 / 500 g

Purity98%

Vendors7 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

6 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$0.18	500 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
AK Scientific Specialized	United States	$0.28	500 g	95%
AK Scientific, Inc.	United States	$1.64	100 g	99%
Sigma-Aldrich (Rush Stock)	Germany	$8.96	25 g	97%
Sigma-Aldrich	Germany	$8.96	25 g	97%

Chemical Identity

CAS2634-33-5

PubChem CID17520

DTXSIDDTXSID5032523

FormulaC7H5NOS

Mol. Weight151.19 g/mol

SMILESC1=CC=C2C(=C1)C(=O)NS2

Data Sources

DTXSID50325232026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

175202026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/17520/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/17520.json

2634-33-52026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 2634-33-52026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv

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