Osmium

CAS 7440-04-2

Os190.2 g/mol

no molecular structure to draw

US productionNot reported

Import value, 2024$349M

Top sourceSouth Africa 55%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 711041, 711049 · narrow

These shares come from HS customs code 711041, 711049, 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).

ZA 55%South AfricaGB 21%United KingdomDE 20%GermanyJP 4%Japan

Italy
China
Saudi Arabia
Canada
Netherlands
Nicaragua
Switzerland
Denmark
Philippines
Costa Rica
Austria
Liechtenstein

Why It Matters

SectorsNot recorded

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

Chemical Identity

CAS7440-04-2

PubChem CID23937

DTXSIDDTXSID5064679

FormulaOs

Mol. Weight190.2 g/mol

SMILES[Os]

Data Sources

PubChem · compound 23937Retrieved 2026-04-07
EPA TSCA InventoryRetrieved 2026-04-24
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Osmium (CAS 7440-04-2) https://chemicalindependence.com/chemical/7440-04-2/ PubChem: 23937. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/23937 EPA TSCA Inventory: CAS 7440-04-2. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 711041,711049 for CAS 7440-04-2. Reporting year: 2024. https://usatrade.census.gov/