2-Methyl-3(2H)-isothiazolone

Drug ingredient

This drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.

Molecular structure of 2682-20-4
US ProductionCBI
Import Value$447M
Top SourceChina 31%

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 293410 · basket

These shares come from HS customs code 293410, which covers 2 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 31%ChinaDE 25%GermanyMX 19%MexicoJP 13%JapanIN 5%India
EPA-registered importers (6)
Basf Se · DE Germany
Industrias Alen S A De C V · MX Mexico
Alen Usa
Basf
Henkel Us Operations
Show all 6
Yara North America

Why It Matters

Sectors
HealthConsumer ProductsMetals & MiningConstruction
Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

  • •Anubis Barcelona Regul Oil
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 6 sectors as 8 functional roles.

  • •Preservative in Wholesale and Retail Trade (100%)Use—non-incorporative activities
  • •Preservative in Not Known or Reasonably Ascertainable (0%)Not Known or Reasonably Ascertainable
  • •Adhesives and sealant chemicals in Not Known or Reasonably Ascertainable (0%)Not Known or Reasonably Ascertainable
  • •Adhesion/cohesion promoter in Adhesive Manufacturing (0%)Processing—incorporation into article
  • •UV stabilizer in Adhesive Manufacturing (0%)Processing—incorporation into article
  • •Viscosity modifiers in Adhesive Manufacturing (0%)Processing—incorporation into article
  • •Preservative in Adhesive Manufacturing (0%)Processing—incorporation into article
  • •Adhesives and sealant chemicals in Adhesive Manufacturing (0%)Processing—incorporation into article
  • •Cleaning agent in Fabricated Metal Product Manufacturing (0%)Processing—incorporation into article
  • •Surface modifier in Fabricated Metal Product ManufacturingProcessing—incorporation into article
  • •Anti-adhesive agents in Wood Product ManufacturingProcessing—incorporation into article
  • •Preservative in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.58/gCombi-Blocks, Inc.
CountryUnited States
Pack$290.00 / 500 g
Purity98%
Vendors17 available

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

16 more vendors
VendorCountry$/gPackPurity
A2B Chem LLCUnited States$0.62500 g98%
AA BLOCKSUnited States$0.66500 g98%
AstaTech (2 weeks)United States$1.34500 g95%
Manchester OrganicsUnited Kingdom$1.47250 g50%
Aaron Chemicals LLCHong Kong$4.2025 g99%
Angene ChemicalChina → Hong Kong$4.2825 g99%
Fluorochem UKUnited Kingdom$11.445 g95%
Sigma-Aldrich (Rush Stock)Germany$14.2425 g95%
Sigma-AldrichGermany$14.2425 g95%
AK Scientific SpecializedUnited States$16.0425 g95%
Angene International LimitedUnited States$19.205 g50%
AK Scientific, Inc.United States$22.4425 g98%
MedKoo Biosciences, IncUnited States$55.0010 g98%
TargetMol ChemicalsChina → United States$66.00500 mg99.87%
MedChemExpress MCESweden$106.481 g99.45%
AngeneChina → Hong Kong$4266.6730 mg99%

Chemical Identity

CAS2682-20-4
PubChem CID39800
DTXSIDDTXSID2034259
FormulaC4H5NOS
Mol. Weight115.16 g/mol
SMILESCN1C(=O)C=CS1

Data Sources

DTXSID20342592026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

398002026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/39800/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/39800.json

2682-20-42026-04-24

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

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

CAS 2682-20-42026-04-25

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

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

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