2-Methyl-3(2H)-isothiazolone
Drug ingredientCAS 2682-20-4
This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 293410 · basket
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 293410, which covers 83 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- United Kingdom
- Italy
- Ukraine
- Spain
- Netherlands
- Poland
- Belgium
- Canada
- Croatia
- Bulgaria
- Taiwan
- Sweden
- Slovakia
- Slovenia
Why It Matters
Appears in 1 drug and cosmetic product listings (FDA).
- •Anubis Barcelona Regul Oil
Industrial Uses
Used in 11 sectors as 7 functional roles.
- •Surfactant (surface active agent) in Paint and Coating Manufacturing (100%)Processing as a reactant
- •Surfactant (surface active agent) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Preservative in Transportation Equipment Manufacturing (0%)Processing—incorporation into article
- •Preservative in Wood Product Manufacturing (0%)Processing—incorporation into article
- •Preservative in Not Known or Reasonably AscertainableProcessing—incorporation into formulation, mixture, or reaction product
- •Preservative in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Preservative in Plastics Material and Resin Manufacturing (4%)Processing—incorporation into formulation, mixture, or reaction product
- •Preservative in Miscellaneous Manufacturing (0%)Processing—incorporation into article
- •Preservative in Furniture and Related Product Manufacturing (0%)Processing—incorporation into article
- •Emulsifier in OtherProcessing as a reactant
- •Lubricating agent in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing)Use—non-incorporative activities
- •Corrosion inhibitor in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing)Use—non-incorporative activities
- •Surfactant (surface active agent) in OtherProcessing—incorporation into formulation, mixture, or reaction product
- •Brightener in Soap, Cleaning Compound, and Toilet Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Monomers in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Preservative in OtherProcessing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
16 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| A2B Chem LLC | United States | $0.62 | 500 g | 98% |
| AA BLOCKS | United States | $0.66 | 500 g | 98% |
| AstaTech (2 weeks) | United States | $1.34 | 500 g | 95% |
| Manchester Organics | United Kingdom | $1.47 | 250 g | 50% |
| Aaron Chemicals LLC | Hong Kong | $4.20 | 25 g | 99% |
| Angene Chemical | China → Hong Kong | $4.28 | 25 g | 99% |
| Fluorochem UK | United Kingdom | $11.44 | 5 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $14.24 | 25 g | 95% |
| Sigma-Aldrich | Germany | $14.24 | 25 g | 95% |
| AK Scientific Specialized | United States | $16.04 | 25 g | 95% |
| Angene International Limited | United States | $19.20 | 5 g | 50% |
| AK Scientific, Inc. | United States | $22.44 | 25 g | 98% |
| MedKoo Biosciences, Inc | United States | $55.00 | 10 g | 98% |
| TargetMol Chemicals | China → United States | $66.00 | 500 mg | 99.87% |
| MedChemExpress MCE | Sweden | $106.48 | 1 g | 99.45% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID2034259Retrieved 2026-04-06
- PubChem · compound 39800Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
2-Methyl-3(2H)-isothiazolone (CAS 2682-20-4) https://chemicalindependence.com/chemical/2682-20-4/ EPA CompTox (DSSTox): DTXSID2034259. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2034259 PubChem: 39800. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/39800 EPA Chemical Data Reporting: 2682-20-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2682-20-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293410 for CAS 2682-20-4. Reporting year: 2024. https://usatrade.census.gov/