Triphenyl phosphates tert-butylated

CAS 68937-40-6

U.S. production volumes are classified as confidential business information.

US productionCBI

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

Import value, 2024$6.1B

Top sourceJapan 32%

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. 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 382499 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 382499, which covers 206 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

JP 32%JapanKR 27%South KoreaDE 8%GermanyCA 6%CanadaCN 4%China

Liechtenstein
Indonesia
Chile
Ireland
Vietnam
Austria
Brazil
Colombia
Israel
Australia
United Arab Emirates
Bosnia and Herzegovina
Turkey
Denmark
South Africa
Philippines
Norway
Hungary
Czech Republic
El Salvador
New Zealand
Slovenia
Morocco
Monaco
Saudi Arabia
Finland
Argentina
Egypt
Oman
Portugal
Slovakia
Qatar
Ukraine
Lebanon
Estonia
Serbia
Costa Rica
Belarus
Hong Kong
Croatia
Luxembourg
Cambodia
Bulgaria
Greece
Uruguay
Romania
Tunisia
Peru
Zimbabwe
Dominican Republic
Georgia
Malta
Sri Lanka
Jamaica
Armenia

EPA-registered importers (4)

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

Pcc Exol Sa · PL Poland

Akzo Nobel Coatings

Pcc Chemax

Pennzoil-Quaker State

Why It Matters

Sectors

EnergyConstructionMetals & MiningPlastics & RubberPaints & Coatings

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 5 sectors as 3 functional roles.

•Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Flame retardant in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Binder in ConstructionUse—non-incorporative activities
•Flame retardant in Miscellaneous Manufacturing (0%)Processing—incorporation into article
•Flame retardant in Plastics Material and Resin ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS68937-40-6

PubChem CIDNot recorded

DTXSIDDTXSID20872645

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID20872645Retrieved 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

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Brief citations

Triphenyl phosphates tert-butylated (CAS 68937-40-6) https://chemicalindependence.com/chemical/68937-40-6/ EPA CompTox (DSSTox): DTXSID20872645. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID20872645 EPA Chemical Data Reporting: 68937-40-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 68937-40-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 382499 for CAS 68937-40-6. Reporting year: 2024. https://usatrade.census.gov/