Phosphoric acid, isotridecyl ester

CAS 52933-07-0

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 (5)

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

Clariant International · CH Switzerland

Kao · JP Japan

Clariant

Kao America

Zschimmer&Schwarz

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.

Blaser Swisslube Ag · CH Switzerland

Blaser Swisslube Holding

Why It Matters

Sectors

EnergyConstructionMetals & MiningCore 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 3 functional roles.

•Emulsifier in Asphalt Paving, Roofing, and Coating Materials Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Corrosion inhibitor in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Corrosion inhibitor in Fabricated Metal Product Manufacturing (100%)Use—non-incorporative activities
•Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (94%)Processing—incorporation into formulation, mixture, or reaction product
•Corrosion inhibitor in Petroleum Lubricating Oil and Grease Manufacturing (80%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS52933-07-0

PubChem CID104360

DTXSIDDTXSID20893810

FormulaC13H31O5P

Mol. Weight298.36 g/mol

SMILESCC(C)CCCCCCCCCCO.OP(=O)(O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID20893810Retrieved 2026-04-06
PubChem · compound 104360Retrieved 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

Phosphoric acid, isotridecyl ester (CAS 52933-07-0) https://chemicalindependence.com/chemical/52933-07-0/ EPA CompTox (DSSTox): DTXSID20893810. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID20893810 PubChem: 104360. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/104360 EPA Chemical Data Reporting: 52933-07-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 52933-07-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting