Bis(dipentylphenyl) hydrogen phosphate

CAS 64051-38-3

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.

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. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

EPA reports by year

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

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.

Newmarket

Why It Matters

Sectors

Energy

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

•Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS64051-38-3

PubChem CID116456

DTXSIDDTXSID9070038

FormulaC32H51O4P

Mol. Weight530.7 g/mol

SMILESCCCCCC1=C(C(=CC=C1)OP(=O)(O)OC2=CC=CC(=C2CCCCC)CCCCC)CCCCC

Data Sources

EPA CompTox (DSSTox) · DTXSID9070038Retrieved 2026-04-06
PubChem · compound 116456Retrieved 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

Bis(dipentylphenyl) hydrogen phosphate (CAS 64051-38-3) https://chemicalindependence.com/chemical/64051-38-3/ EPA CompTox (DSSTox): DTXSID9070038. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9070038 PubChem: 116456. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/116456 EPA Chemical Data Reporting: 64051-38-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 64051-38-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting