Iron manganese zinc oxide

CAS 12645-49-7

Used in 1 industrial sector tracked by the EPA.

Fe₁₀Mn₃O₂₀Zn₂1174.0 g/mol

no molecular structure to draw

US production17.5K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

Production is reported production, not a complete census of factories. Production reporting year: 2019. 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 Not published · Imports Not published
2019: US production 17.5K lb · Imports Zero

HS customs code 284190 covers 57 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

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.

Steward Advanced Materials

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

•Dehydrating agent (desiccant) in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS12645-49-7

PubChem CID138756678

DTXSIDDTXSID00890620

FormulaFe10Mn3O20Zn2

Mol. Weight1174 g/mol

SMILES[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Mn+2].[Mn+2].[Mn+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn+2].[Zn+2]

Data Sources

EPA CompTox (DSSTox) · DTXSID00890620Retrieved 2026-04-06
PubChem · compound 138756678Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Iron manganese zinc oxide (CAS 12645-49-7) https://chemicalindependence.com/chemical/12645-49-7/ EPA CompTox (DSSTox): DTXSID00890620. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID00890620 PubChem: 138756678. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/138756678 EPA Chemical Data Reporting: 12645-49-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12645-49-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting