Phosphoric acid, monopentyl ester

CAS 2382-76-5

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

CAS2382-76-5

PubChem CID61572

DTXSIDDTXSID50862913

FormulaC5H13O4P

Mol. Weight168.13 g/mol

SMILESCCCCCOP(=O)(O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID50862913Retrieved 2026-04-06
PubChem · compound 61572Retrieved 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, monopentyl ester (CAS 2382-76-5) https://chemicalindependence.com/chemical/2382-76-5/ EPA CompTox (DSSTox): DTXSID50862913. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID50862913 PubChem: 61572. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/61572 EPA Chemical Data Reporting: 2382-76-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2382-76-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting