Phosphonic acid, P-[(tetrahydro-2-hydroxy-2-oxido-4H-1,4,2-oxazaphosphorin-4-yl)methyl]-

CAS 32422-02-9

Used in 2 industrial sectors tracked by the EPA.

US production315.9K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

Production is reported production, not a complete census of factories. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production 315.9K lb · Imports Zero
2019: US production 140.3K lb · Imports 108.6K lb

EPA-registered manufacturers (3)

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

Italmatch Usa

Nalco- An Ecolab

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.

Zschimmer&Schwarz

Why It Matters

Sectors

EnergyCore 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 2 sectors as 2 functional roles.

•Anti-scaling agent in Oil and Gas Drilling, Extraction, and Support activities (100%)Processing—incorporation into formulation, mixture, or reaction product
•Chelating agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Anti-scaling agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—repackaging

Chemical Identity

CAS32422-02-9

PubChem CID15936130

DTXSIDDTXSID80865634

FormulaC4H11NO6P2

Mol. Weight231.08 g/mol

SMILESC1COP(=O)(CN1CP(=O)(O)O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID80865634Retrieved 2026-04-06
PubChem · compound 15936130Retrieved 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

Phosphonic acid, P-[(tetrahydro-2-hydroxy-2-oxido-4H-1,4,2-oxazaphosphorin-4-yl)methyl]- (CAS 32422-02-9) https://chemicalindependence.com/chemical/32422-02-9/ EPA CompTox (DSSTox): DTXSID80865634. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID80865634 PubChem: 15936130. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/15936130 EPA Chemical Data Reporting: 32422-02-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 32422-02-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting