4-Methylmorpholine 4-oxide
CAS 7529-22-8
EPA’s 2023 records show zero U.S. production of this chemical.
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. 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 293499 · basket
- 2023
- US production Zero · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Finland
- Netherlands
- Canada
- Indonesia
- Mexico
- Taiwan
- South Korea
- Austria
- Croatia
- Sweden
- Ukraine
- Denmark
- Israel
- Czech Republic
- New Zealand
- Hong Kong
- Kyrgyzstan
- Australia
- Portugal
- South Africa
- Poland
- Slovenia
- Brazil
- Slovakia
- Vietnam
- Latvia
- Malta
- Hungary
- Romania
- Kenya
- Belarus
- Russia
- Turkey
- Norway
Why It Matters
Industrial Uses
- •Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
18 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 | $0.05 | 1 kg | 50% |
| A2B Chem LLC | United States | $0.06 | 1 kg | 50% |
| AA BLOCKS | United States | $0.07 | 1 kg | 50% |
| Chemscene | United States | $0.08 | 1 kg | — |
| Apollo Scientific US | United Kingdom | $0.09 | 1 kg | 95% |
| MedChemExpress MCE | Sweden | $0.11 | 1 kg | — |
| Fluorochem EU | Germany | $0.11 | 500 g | 50% |
| AK Scientific, Inc. | United States | $0.15 | 500 g | 50% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.15 | 1 kg | — |
| Sigma-Aldrich | Germany | $0.15 | 1 kg | — |
| AK Scientific Specialized | United States | $0.25 | 1 kg | 95% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 95% |
| Angene International Limited | United States | $0.30 | 500 g | 50% |
| Ambeed, Inc. | United States | $0.31 | 500 g | 97% |
| AstaTech, Inc | United States | $0.58 | 100 g | 95% |
| BLD Pharmatech Co., Limited | United States | $0.80 | 25 g | 50% |
| Molnova | China | $905.00 | 200 mg | 99% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 50% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID3029287Retrieved 2026-04-06
- PubChem · compound 82029Retrieved 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
4-Methylmorpholine 4-oxide (CAS 7529-22-8) https://chemicalindependence.com/chemical/7529-22-8/ EPA CompTox (DSSTox): DTXSID3029287. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3029287 PubChem: 82029. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/82029 EPA Chemical Data Reporting: 7529-22-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7529-22-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293499 for CAS 7529-22-8. Reporting year: 2024. https://usatrade.census.gov/