Iron oxide

CAS 1332-37-2

Used in 2 industrial sectors tracked by the EPA.

Molecular structure of 1332-37-2
US production3.9M lb
Import volume74.1K lb
Import dependency2%
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 3.9M lb · Imports 74.1K lb
2019
US production 53.4M lb · Imports 55.0K lb
EPA-registered manufacturers (1)
J.R. Simplot
Domestic parents -- activity not disclosed (1)
Advanced Polymer Technology

Why It Matters

Sectors
AgriculturePaints & Coatings
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

  • •Hardener in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS1332-37-2
PubChem CID123289
DTXSIDDTXSID6049648
FormulaFeO2
Mol. Weight87.84 g/mol
SMILESO=[Fe]=O

Data Sources

Brief citations

Iron oxide (CAS 1332-37-2) https://chemicalindependence.com/chemical/1332-37-2/ EPA CompTox (DSSTox): DTXSID6049648. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6049648 PubChem: 123289. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/123289 EPA Chemical Data Reporting: 1332-37-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1332-37-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting