2-Ethyl-3-hydroxy-4-pyrone
CAS 4940-11-8
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 293299 · basket
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 293299, which covers 229 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- United Kingdom
- Japan
- Germany
- Spain
- Israel
- Canada
- Brazil
- Vietnam
- Ukraine
- New Zealand
- Belgium
- Mexico
- Singapore
- Taiwan
- South Korea
- Sweden
- South Africa
- Egypt
- Indonesia
- Lithuania
- Finland
- Hungary
- Czech Republic
- Hong Kong
- Malaysia
- Slovakia
- Australia
- Russia
- Jordan
- Latvia
- Argentina
- Slovenia
- Malta
- Poland
- Denmark
- Austria
Show all 6
Why It Matters
Industrial Uses
Used in 7 sectors as 3 functional roles.
- •Odor agents in Other (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Fragrance in Food, beverage, and tobacco product manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Odor agents in Plastics Material and Resin Manufacturing (1%)Processing—incorporation into article
- •Odor agents in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
- •Odor agents in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Fragrance in All Other Basic Organic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Flavoring and nutrient in Food, beverage, and tobacco product manufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Fragrance in Wholesale and Retail Trade (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Fragrance in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
25 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 |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.04 | 500 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.05 | 25 kg | 99% |
| Sigma-Aldrich | Germany | $0.05 | 25 kg | 99% |
| Fluorochem EU | Germany | $0.12 | 100 g | 98% |
| AA BLOCKS | United States | $0.15 | 25 kg | 99% |
| A2B Chem LLC | United States | $0.17 | 100 g | 99% |
| Chemscene | United States | $0.21 | 1 kg | — |
| BLD Pharmatech GmbH | Germany | $0.21 | 1 kg | 98% |
| BLD Pharmatech Ltd. | China | $0.21 | 1 kg | 98% |
| BLD Pharmatech Co., Limited | United States | $0.23 | 1 kg | 98% |
| Ambeed, Inc. | United States | $0.23 | 1 kg | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| AK Scientific, Inc. | United States | $0.30 | 500 g | 98% |
| MedChemExpress MCE | Sweden | $0.32 | 500 g | 99.98% |
| AK Scientific Specialized | United States | $0.41 | 100 g | 95% |
| Molnova | China | $27.00 | 1 g | 99% |
| Interbioscreen | Hong Kong | $51.00 | 10 g | 95% |
| Angene International Limited | United States | $140.00 | 1 g | 99% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Eximed | Ukraine | $2680.00 | 50 mg | 90% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 99% |
| ChemDiv, Inc. | United States | $7666.67 | 15 mg | 90% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID5041516Retrieved 2026-04-06
- PubChem · compound 21059Retrieved 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
2-Ethyl-3-hydroxy-4-pyrone (CAS 4940-11-8) https://chemicalindependence.com/chemical/4940-11-8/ EPA CompTox (DSSTox): DTXSID5041516. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5041516 PubChem: 21059. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/21059 EPA Chemical Data Reporting: 4940-11-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 4940-11-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293299 for CAS 4940-11-8. Reporting year: 2024. https://usatrade.census.gov/