Uranium oxide (U3O8)

CAS 1344-59-8

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

US productionCBI

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

Import value, 2024$4.6B

Import volumeZero

Top sourceItaly 26%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 284420 · narrow

EPA reports by year

2019: US production Confidential · Imports Zero

These shares come from HS customs code 284420, which covers 3 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).

IT 26%ItalyGB 24%United KingdomDE 15%GermanyRU 14%RussiaNL 13%Netherlands

Japan
Kazakhstan
Canada

EPA-registered manufacturers (2)

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

Clariant International · CH Switzerland

Clariant

Why It Matters

Sectors

Core 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

•Catalyst in All Other Basic Organic Chemical Manufacturing (100%)Use—non-incorporative activities

Chemical Identity

CAS1344-59-8

PubChem CID92028829

DTXSIDDTXSID60893930

FormulaO8U3

Mol. Weight842.08 g/mol

SMILESO=[U](=O)=O.O=[U](=O)O[U](=O)=O

Data Sources

EPA CompTox (DSSTox) · DTXSID60893930Retrieved 2026-04-06
PubChem · compound 92028829Retrieved 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

Uranium oxide (U3O8) (CAS 1344-59-8) https://chemicalindependence.com/chemical/1344-59-8/ EPA CompTox (DSSTox): DTXSID60893930. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID60893930 PubChem: 92028829. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/92028829 EPA Chemical Data Reporting: 1344-59-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1344-59-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 284420 for CAS 1344-59-8. Reporting year: 2024. https://usatrade.census.gov/