Phosphorous trichloride

CAS 7719-12-2

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$11M

Top sourceGermany 67%

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 281213 · 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 67%GermanyIN 27%IndiaCN 5%ChinaIT 1%Italy

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.

Bayer Ag · DE Germany

Bayer Us Holding

Lanxess

Domestic parents -- activity not disclosed (4)

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

Greenchem Industries

Icc Industries

Icl Specialty Products North America

Si Group

EPA-registered importers (8)

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

Basf Se · DE Germany

Italmatch Chemicals Spa · IT Italy

Lanxess · DE Germany

Syensqo Sa · BE Belgium

Basf

Show all 8

Buckman Laboratories

Italmatch Usa

Solvay

Why It Matters

Sectors

AgriculturePlastics & RubberConsumer ProductsCore 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 6 sectors as 3 functional roles.

•Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant
•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
•Antioxidant in All Other Basic Organic Chemical Manufacturing (2%)Processing as a reactant
•Antioxidant in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (18%)Processing as a reactant
•Intermediate in Soap, Cleaning Compound, and Toilet Preparation ManufacturingProcessing as a reactant
•Intermediate in All Other Basic Inorganic Chemical Manufacturing (100%)Processing as a reactant
•Intermediate in Plastics Product Manufacturing (100%)Processing as a reactant
•Intermediate in Agriculture, Forestry, Fishing and Hunting (100%)Processing as a reactant
•Filler in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7719-12-2

PubChem CID24387

DTXSIDDTXSID5029687

FormulaCl3P

Mol. Weight137.33 g/mol

SMILESP(Cl)(Cl)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID5029687Retrieved 2026-04-06
PubChem · compound 24387Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Phosphorous trichloride (CAS 7719-12-2) https://chemicalindependence.com/chemical/7719-12-2/ EPA CompTox (DSSTox): DTXSID5029687. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5029687 PubChem: 24387. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24387 EPA Chemical Data Reporting: 7719-12-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7719-12-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 281213 for CAS 7719-12-2. Reporting year: 2024. https://usatrade.census.gov/