Terbium oxide

CAS 12738-76-0

EPA’s 2019 records show zero U.S. production of this chemical.

OTb-₂174.9 g/mol

no molecular structure to draw

US productionZero

Top sourceNo public record

EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2019.

Where It Comes From

EPA reports by year

2019: US production Zero · Imports Zero

Why It Matters

Sectors

Electronics

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

•Magnetic element in Electrical Equipment, Appliance, and Component Manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS12738-76-0

PubChem CID159455

DTXSIDDTXSID70940343

FormulaOTb-2

Mol. Weight174.925 g/mol

SMILES[O-2].[Tb]

Data Sources

EPA CompTox (DSSTox) · DTXSID70940343Retrieved 2026-04-06
PubChem · compound 159455Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

Terbium oxide (CAS 12738-76-0) https://chemicalindependence.com/chemical/12738-76-0/ EPA CompTox (DSSTox): DTXSID70940343. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID70940343 PubChem: 159455. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/159455 EPA Chemical Data Reporting: 12738-76-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12738-76-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting