1-(2-Hydroxyethyl)pyrrolidin-2-one
CAS 3445-11-2
U.S. production volumes are classified 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 293379 · basket
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 293379, which covers 105 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Brazil
- Canada
- Taiwan
- Ukraine
- Portugal
- Netherlands
- South Korea
- Israel
- Czech Republic
- Spain
- Finland
- Hungary
- Malaysia
- Australia
- Austria
- Slovenia
Why It Matters
Industrial Uses
Used in 3 sectors as 3 functional roles.
- •Solvents (which become part of product formulation or mixture) in Printing Ink Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
- •Solvents (for cleaning or degreasing) in Printing Ink Manufacturing (97%)Use—non-incorporative activities
- •Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
- •Intermediate in Synthetic Dye and Pigment ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
14 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 | United States | $0.15 | 500 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $0.18 | 500 g | 98% |
| Angene Chemical | China → Hong Kong | $0.19 | 500 g | 98% |
| BLD Pharmatech GmbH | Germany | $0.24 | 1 kg | 98% |
| BLD Pharmatech Ltd. | China | $0.24 | 1 kg | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 95% |
| AK Scientific Specialized | United States | $0.30 | 500 g | 95% |
| BLD Pharmatech Co., Limited | United States | $0.40 | 100 g | 98% |
| Ambeed, Inc. | United States | $0.40 | 100 g | 98% |
| AK Scientific, Inc. | United States | $0.42 | 500 g | 99% |
| Fluorochem UK | United Kingdom | $0.57 | 25 g | 97% |
| Angene International Limited | United States | $0.72 | 500 g | 99% |
| Key Organics Ltd. | United Kingdom | $16.10 | 10 g | 97% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID7044922Retrieved 2026-04-06
- PubChem · compound 76980Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
1-(2-Hydroxyethyl)pyrrolidin-2-one (CAS 3445-11-2) https://chemicalindependence.com/chemical/3445-11-2/ EPA CompTox (DSSTox): DTXSID7044922. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7044922 PubChem: 76980. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/76980 EPA Chemical Data Reporting: 3445-11-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3445-11-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293379 for CAS 3445-11-2. Reporting year: 2024. https://usatrade.census.gov/