4,4'-Oxydianiline
CAS 101-80-4
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 292229 · basket
- 2023
- US production Zero · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 292229, which covers 84 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- United Kingdom
- Ukraine
- Canada
- Switzerland
- Ireland
- Netherlands
- Israel
- Singapore
- Latvia
- Hong Kong
- Belgium
Why It Matters
Industrial Uses
- •Monomers in Paint and Coating 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.
23 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 | $0.03 | 500 g | 98% |
| Chemscene | United States | $0.12 | 500 g | — |
| MedChemExpress MCE | Sweden | $0.15 | 500 g | — |
| AA BLOCKS | United States | $0.18 | 500 g | 98% |
| A2B Chem LLC | United States | $0.18 | 500 g | 98% |
| AK Scientific, Inc. | United States | $0.39 | 500 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.46 | 500 g | 97% |
| Sigma-Aldrich | Germany | $0.46 | 500 g | 97% |
| Ambeed, Inc. | United States | $0.48 | 100 g | 98% |
| ALFA AESAR | Germany | $0.54 | 500 g | 98% |
| Angene International Limited | United States | $3.28 | 25 g | 98% |
| AstaTech, Inc | United States | $5.10 | 10 g | 95% |
| Interbioscreen | Hong Kong | $12.00 | 10 g | 95% |
| Otava, Ltd. | Ukraine | $25.00 | 1 g | 95% |
| AA BLOCKS (2 weeks) | United States | $60.70 | 10 g | 95% |
| A2B Chem LLC (2 weeks) | United States | $70.50 | 10 g | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $4020.00 | 50 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $4200.00 | 50 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| ChemBridge Corporation | Kazakhstan | $18000.00 | 5 mg | 90% |
| ChemDiv, Inc. | United States | $23666.67 | 3 mg | 90% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID0021094Retrieved 2026-04-06
- PubChem · compound 7579Retrieved 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
4,4'-Oxydianiline (CAS 101-80-4) https://chemicalindependence.com/chemical/101-80-4/ EPA CompTox (DSSTox): DTXSID0021094. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0021094 PubChem: 7579. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7579 EPA Chemical Data Reporting: 101-80-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 101-80-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292229 for CAS 101-80-4. Reporting year: 2024. https://usatrade.census.gov/