Iron strontium oxide (Fe12SrO19)

CAS 12023-91-5

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$73M

Import volumeCBI

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

Top sourceSouth Korea 47%

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. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 284190 · basket

EPA reports by year

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

These shares come from HS customs code 284190, which covers 57 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

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

KR 47%South KoreaJP 16%JapanCA 11%CanadaBE 4%BelgiumGB 4%United Kingdom

Mexico
Croatia
Italy
India
Austria
Turkey
Hong Kong
Denmark
Czech Republic
Ireland

EPA-registered importers (2)

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

Chori America

Powdertech International

Why It Matters

Sectors

ConstructionMetals & MiningCore 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

•Adhesion/cohesion promoter in Transportation Equipment Manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS12023-91-5

PubChem CIDNot recorded

DTXSIDDTXSID60893177

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID60893177Retrieved 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

Iron strontium oxide (Fe12SrO19) (CAS 12023-91-5) https://chemicalindependence.com/chemical/12023-91-5/ EPA CompTox (DSSTox): DTXSID60893177. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID60893177 EPA Chemical Data Reporting: 12023-91-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12023-91-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 284190 for CAS 12023-91-5. Reporting year: 2024. https://usatrade.census.gov/