Styrenated diphenylamine

CAS 68442-68-2

Used in 4 industrial sectors tracked by the EPA.

US production1.2M lb

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceNo public record

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production 1.2M lb · Imports Confidential
2019: US production 743.0K lb · Imports 53.4K lb

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

The Goodyear Tire & Rubber

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Azelis Americas Case

EPA-registered importers (2)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Lanxess

Synthomer

Why It Matters

Sectors

EnergyPlastics & RubberConsumer ProductsCore Chemicals

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 4 sectors as 5 functional roles.

•Antioxidant in Rubber Product Manufacturing (100%)Processing—repackaging
•Absorbent in Rubber Product Manufacturing (30%)Processing—incorporation into formulation, mixture, or reaction product
•Antioxidant in Petroleum Lubricating Oil and Grease Manufacturing (30%)Processing—incorporation into formulation, mixture, or reaction product
•Antioxidant in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
•Plasticizer in Wholesale and Retail Trade (0%)Not Known or Reasonably Ascertainable
•Defoamer in Wholesale and Retail Trade (0%)Not Known or Reasonably Ascertainable
•Dispersing agent in Wholesale and Retail Trade (0%)Not Known or Reasonably Ascertainable

Chemical Identity

CAS68442-68-2

PubChem CIDNot recorded

DTXSIDDTXSID8029444

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID8029444Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Styrenated diphenylamine (CAS 68442-68-2) https://chemicalindependence.com/chemical/68442-68-2/ EPA CompTox (DSSTox): DTXSID8029444. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8029444 EPA Chemical Data Reporting: 68442-68-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 68442-68-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting