Dipentyl hydrogen phosphate

CAS 3138-42-9

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.

Aceto Us

Why It Matters

Sectors

Consumer ProductsPaints & 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 2 sectors as 1 functional role.

•Surfactant (surface active agent) in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing as a reactant
•Surfactant (surface active agent) in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS3138-42-9

PubChem CID76589

DTXSIDDTXSID40863111

FormulaC10H23O4P

Mol. Weight238.26 g/mol

SMILESCCCCCOP(=O)(O)OCCCCC

Data Sources

EPA CompTox (DSSTox) · DTXSID40863111Retrieved 2026-04-06
PubChem · compound 76589Retrieved 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

Dipentyl hydrogen phosphate (CAS 3138-42-9) https://chemicalindependence.com/chemical/3138-42-9/ EPA CompTox (DSSTox): DTXSID40863111. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID40863111 PubChem: 76589. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/76589 EPA Chemical Data Reporting: 3138-42-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3138-42-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting