4,4'-Methylenebis(N,N-diglycidylaniline)
CAS 28768-32-3
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 292250 · basket
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 292250, which covers 76 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Japan
- Germany
- Denmark
- Taiwan
- Spain
- Bulgaria
- Canada
- Serbia
- Switzerland
- Sweden
- South Korea
- Netherlands
- Hong Kong
- Ukraine
- Austria
- Hungary
- Belgium
- Ireland
- Israel
- Finland
- Mexico
- Slovenia
- Czech Republic
- United Arab Emirates
- Latvia
Why It Matters
Industrial Uses
Used in 4 sectors as 4 functional roles.
- •Adhesion/cohesion promoter in Plastics Material and Resin Manufacturing (100%)Use—non-incorporative activities
- •Monomers in Plastics Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Surfactant (surface active agent) in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Plastics Product Manufacturing (100%)Processing as a reactant
- •Intermediate in Transportation Equipment Manufacturing (80%)Processing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
11 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 |
|---|---|---|---|---|
| Aaron Chemicals LLC | Hong Kong | $0.24 | 500 g | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| A2B Chem LLC | United States | $0.27 | 1 kg | 98% |
| AA BLOCKS | United States | $0.28 | 1 kg | 98% |
| MedChemExpress MCE | Sweden | $0.31 | 1 kg | — |
| Ambeed, Inc. | United States | $0.40 | 100 g | 98% |
| Fluorochem EU | Germany | $0.47 | 100 g | 97% |
| AK Scientific, Inc. | United States | $1.36 | 25 g | 109% |
| AstaTech (2 weeks) | United States | $1.75 | 100 g | 95% |
| Angene International Limited | United States | $3.52 | 25 g | 109% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID0042248Retrieved 2026-04-06
- PubChem · compound 91593Retrieved 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'-Methylenebis(N,N-diglycidylaniline) (CAS 28768-32-3) https://chemicalindependence.com/chemical/28768-32-3/ EPA CompTox (DSSTox): DTXSID0042248. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0042248 PubChem: 91593. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/91593 EPA Chemical Data Reporting: 28768-32-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 28768-32-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292250 for CAS 28768-32-3. Reporting year: 2024. https://usatrade.census.gov/