Diphenylamine
CAS 122-39-4
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 292144, 380892, 382499 · basket
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 292144, 380892, 382499, which covers 230 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Sweden
- Chile
- Israel
- Liechtenstein
- Indonesia
- Ireland
- Austria
- Vietnam
- Brazil
- Colombia
- Denmark
- Norway
- Australia
- South Africa
- United Arab Emirates
- Bosnia and Herzegovina
- Turkey
- Philippines
- Portugal
- El Salvador
- Hungary
- Czech Republic
- New Zealand
- Slovenia
- Morocco
- Monaco
- Bulgaria
- Saudi Arabia
- Finland
- Argentina
- Slovakia
- Estonia
- Egypt
- Oman
- Qatar
- Costa Rica
- Ukraine
- Lebanon
- Serbia
- Belarus
- Hong Kong
- Croatia
- Luxembourg
- Cambodia
- Greece
- Uruguay
- Romania
- Tunisia
- Peru
- Zimbabwe
- Dominican Republic
- Georgia
- Malta
- Sri Lanka
- Jamaica
- Armenia
Why It Matters
Industrial Uses
Used in 6 sectors as 5 functional roles.
- •Antioxidant in Rubber Product Manufacturing (100%)Processing—incorporation into article
- •Dye in Not Known or Reasonably AscertainableNot Known or Reasonably Ascertainable
- •Stabilizing agent in Explosives Manufacturing (100%)Use—non-incorporative activities
- •Chemical reaction regulator in Synthetic Rubber Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
- •Chemical reaction regulator in Plastics Material and Resin Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Petroleum Lubricating Oil and Grease Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Synthetic Rubber Manufacturing (0%)Processing as a reactant
- •Intermediate in Explosives Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID4021975Retrieved 2026-04-06
- PubChem · compound 11487Retrieved 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
Diphenylamine (CAS 122-39-4) https://chemicalindependence.com/chemical/122-39-4/ EPA CompTox (DSSTox): DTXSID4021975. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4021975 PubChem: 11487. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/11487 EPA Chemical Data Reporting: 122-39-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 122-39-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292144,380892,382499 for CAS 122-39-4. Reporting year: 2024. https://usatrade.census.gov/