Phosphoric trichloride

CAS 10025-87-3

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.

Import value, 2024$2M

Top sourceGermany 80%

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

Customs basis: HS 281212 · exact

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

Source Countries

Country of origin for US imports, from Census customs data (2024).

DE 80%GermanyIN 9%IndiaJP 8%JapanIT 2%Italy

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.

Lanxess

Domestic parents -- activity not disclosed (2)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Corteva Agriscience

Icl Specialty Products North America

EPA-registered importers (4)

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

Sojitz · JP Japan

Italmatch Usa

Sojitz Corporation Of America

Why It Matters

Sectors

AgricultureMetals & MiningPlastics & RubberCore 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 5 sectors as 2 functional roles.

•Intermediate in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant
•Intermediate in Miscellaneous Manufacturing (30%)Processing as a reactant
•Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (30%)Processing as a reactant
•Intermediate in Plastics Product Manufacturing (30%)Processing as a reactant
•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
•Flame retardant in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS10025-87-3

PubChem CID24813

DTXSIDDTXSID5029710

FormulaCl3OP

Mol. Weight153.33 g/mol

SMILESO=P(Cl)(Cl)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID5029710Retrieved 2026-04-06
PubChem · compound 24813Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Phosphoric trichloride (CAS 10025-87-3) https://chemicalindependence.com/chemical/10025-87-3/ EPA CompTox (DSSTox): DTXSID5029710. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5029710 PubChem: 24813. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24813 EPA Chemical Data Reporting: 10025-87-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 10025-87-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 281212 for CAS 10025-87-3. Reporting year: 2024. https://usatrade.census.gov/