Iron phosphide

CAS 12751-22-3

U.S. production volumes are classified as confidential business information.

FeP86.8 g/mol

no molecular structure to draw

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$48M

Top sourceChina 47%

At least one company claimed its 2019 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: 2019.

Where It Comes From

Customs basis: HS 720299 · exact

EPA reports by year

2019: US production Confidential · Imports Confidential

Source Countries

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

CN 47%ChinaBR 33%BrazilAR 12%ArgentinaIT 2%ItalySE 2%Sweden

Mexico
Hong Kong
Japan
Estonia
Germany
Taiwan
South Korea
Malaysia
Canada

Why It Matters

Sectors

Construction

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

•Fillers in Adhesive Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS12751-22-3

PubChem CID159456

DTXSIDDTXSID50276470

FormulaFeP

Mol. Weight86.82 g/mol

SMILES[P-3].[Fe+3]

Data Sources

EPA CompTox (DSSTox) · DTXSID50276470Retrieved 2026-04-06
PubChem · compound 159456Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · 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

Iron phosphide (CAS 12751-22-3) https://chemicalindependence.com/chemical/12751-22-3/ EPA CompTox (DSSTox): DTXSID50276470. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID50276470 PubChem: 159456. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/159456 EPA Chemical Data Reporting: 12751-22-3. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12751-22-3. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 720299 for CAS 12751-22-3. Reporting year: 2024. https://usatrade.census.gov/