Di-9-octadecen-1-yl phosphonate

CAS 64051-29-2

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.

Dover Chemical

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.

Lanxess

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.

Italmatch Chemicals Spa · IT Italy

The Detrex

Why It Matters

Sectors

EnergyPlastics & Rubber

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 2 sectors as 2 functional roles.

•Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Terminator/Blocker in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS64051-29-2

PubChem CID6335850

DTXSIDDTXSID4070037

FormulaC36H70O3P+

Mol. Weight581.9 g/mol

SMILESCCCCCCCCC=CCCCCCCCCO[P+](=O)OCCCCCCCCC=CCCCCCCCC

Data Sources

EPA CompTox (DSSTox) · DTXSID4070037Retrieved 2026-04-06
PubChem · compound 6335850Retrieved 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

Di-9-octadecen-1-yl phosphonate (CAS 64051-29-2) https://chemicalindependence.com/chemical/64051-29-2/ EPA CompTox (DSSTox): DTXSID4070037. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4070037 PubChem: 6335850. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6335850 EPA Chemical Data Reporting: 64051-29-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 64051-29-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting