N-Methyl-2-pyrrolidone
U.S. production volumes are classified as confidential business information.
US ProductionCBI
Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.
Import Value$171M
Top SourceSwitzerland 40%
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 293979 · basket
These shares come from HS customs code 293979, which covers 4 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2023).
CH 40%SwitzerlandCN 18%ChinaIT 14%ItalyDE 13%GermanyIN 10%India
- Australia
- Poland
- Belgium
- Taiwan
- Canada
- Japan
- Spain
- Mexico
- New Zealand
- Slovenia
- Israel
EPA-registered manufacturers (8)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Basf Se · DE Germany
Merck Kgaa · DE Germany
Ashland
Basf
Eden Custom Processing
Show all 8
Lyondell Chemical
Ortec
Versum Materials
EPA-registered importers (34)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Altana Ag · DE Germany
Basf Se · DE Germany
Covestro Ag · DE Germany
Fujifilm Holdings Japan · JP Japan
Lg Chem · KR South Korea
Show all 34
Shin-Etsu Chemical · JP Japan
Sika Ag · CH Switzerland
Sumitomo Bakelite · JP Japan
Sumitomo Chemical · JP Japan
A.G. Layne
Allchem Industries Holding
Allnex Usa
Basf
Covestro
Diversey
Dsm Holding
Elantas Pdg
Evonik
Fujifilm Holdings America
Greenchem Industries
Hubbard-Hall
Lg Energy Solution Michigan
Ppg Industries
Shintech
Sika
Stahl Usa
Sumitomo Chemical Advanced Technologies
Sumitomo Plastics America
Superior Oil
Target
Tedia
The Dow Chemical
The Sherwin Williams
Univar Solutions
Why It Matters
Sectors
HealthAgricultureFoodEnergyElectronicsTransportationConstructionMetals & MiningPlastics & RubberTextilesConsumer ProductsPaints & CoatingsPaper & PrintingCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Industrial Uses
Used in 24 sectors as 11 functional roles.
- •Solvents (which become part of product formulation or mixture) in Paint and Coating Manufacturing (99%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvents (which become part of product formulation or mixture) in Adhesive Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvents (which become part of product formulation or mixture) in All Other Chemical Product and Preparation Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Paint additives and coating additives not described by other categories in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvents (for cleaning or degreasing) in All Other Chemical Product and Preparation Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Plastics Material and Resin ManufacturingProcessing as a reactant
- •Intermediate in Pharmaceutical and Medicine ManufacturingProcessing as a reactant
- •Processing aids, specific to petroleum production in Petrochemical ManufacturingUse—non-incorporative activities
- •Paint additives and coating additives not described by other categories in Paint and Coating Manufacturing (0%)Processing—incorporation into article
- •Paint additives and coating additives not described by other categories in Transportation Equipment ManufacturingProcessing—incorporation into article
- •Intermediate in All Other Basic Organic Chemical Manufacturing (0%)Processing as a reactant
- •Solvent in Miscellaneous ManufacturingProcessing—incorporation into article
- •Solvent in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvent in Printing Ink Manufacturing (40%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvent in All Other Basic Organic Chemical Manufacturing (100%)Use—non-incorporative activities
- •Solvent in Computer and Electronic Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Plating agents and surface treating agents in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Dyes in Synthetic Dye and Pigment Manufacturing (100%)Processing as a reactant
- •Solvent in Transportation Equipment Manufacturing (100%)Processing—incorporation into article
- •Intermediate in Custom Compounding of Purchased Resins (10%)Processing as a reactant
- •Solvents (for cleaning or degreasing) in Electrical Equipment, Appliance, and Component Manufacturing (50%)Use—non-incorporative activities
- •Solvent in Petrochemical ManufacturingUse—non-incorporative activities
- •Solvent in Plastics Material and Resin ManufacturingUse—non-incorporative activities
- •Semiconductor and photovoltaic agent in Computer and Electronic Product Manufacturing (48%)Use—non-incorporative activities
- •Solvents (for cleaning or degreasing) in Paint and Coating Manufacturing (30%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvents (which become part of product formulation or mixture) in Not Known or Reasonably Ascertainable (100%)Processing—incorporation into article
- •Solvent in Not Known or Reasonably Ascertainable (15%)Processing—incorporation into article
- •Solvents (which become part of product formulation or mixture) in Textiles, apparel, and leather manufacturing (100%)Processing—incorporation into article
- •Cleaning agent in Computer and Electronic Product Manufacturing (100%)Use—non-incorporative activities
- •Solvents (which become part of product formulation or mixture) in Printing and Related Support ActivitiesProcessing—incorporation into formulation, mixture, or reaction product
- •Solvents (for cleaning or degreasing) in Wholesale and Retail TradeProcessing—repackaging
- •Laboratory chemicals in Wholesale and Retail TradeNot Known or Reasonably Ascertainable
- •Laboratory chemicals in ServicesNot Known or Reasonably Ascertainable
- •Intermediate in Adhesive Manufacturing (70%)Processing as a reactant
- •Solvent in Furniture and Related Product ManufacturingProcessing—incorporation into article
- •Solvent in ConstructionProcessing—incorporation into article
- •Solvents (for cleaning or degreasing) in Plastics Material and Resin Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvents (for cleaning or degreasing) in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (18%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvents (for cleaning or degreasing) in Primary Metal Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvents (which become part of product formulation or mixture) in Transportation Equipment Manufacturing (9%)Processing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
$0.03/gA2B Chem LLC (2 weeks)
CountryUnited States
Pack$67.00 / 2.5 kg
Purity98%
Vendors20 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
19 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 |
|---|---|---|---|---|
| AA BLOCKS (2 weeks) | United States | $0.03 | 2.5 kg | 98% |
| A2B Chem LLC | United States | $0.05 | 1 kg | 99% |
| Aaron Chemicals LLC | Hong Kong | $0.06 | 100 g | 98% |
| AA BLOCKS | United States | $0.06 | 1 kg | 99% |
| Chemscene | United States | $0.07 | 1 kg | — |
| Fluorochem UK | United Kingdom | $0.08 | 1 kg | 99% |
| Angene Chemical | China → Hong Kong | $0.08 | 100 g | 98% |
| Fluorochem EU | Germany | $0.09 | 500 g | 99% |
| MedChemExpress MCE | Sweden | $0.21 | 1 kg | 99.99% |
| AstaTech, Inc | United States | $0.59 | 500 g | 95% |
| Interbioscreen | Hong Kong | $24.00 | 10 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $71.96 | 2 g | — |
| Sigma-Aldrich | Germany | $71.96 | 2 g | — |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Otava, Ltd. | Ukraine | $2280.00 | 50 mg | 95% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| TimTec, LLC | United States | $9333.33 | 30 mg | 99.5% |
Chemical Identity
CAS872-50-4
PubChem CID13387
DTXSIDDTXSID6020856
FormulaC5H9NO
Mol. Weight99.13 g/mol
SMILESCN1CCCC1=O
Data Sources
DTXSID60208562026-04-06
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
133872026-04-06
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/13387/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/13387.json
872-50-42026-04-24
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
CAS 872-50-42026-04-25
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr_industrial.csv