Iridium

CAS 7439-88-5

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

Ir192.2 g/mol

no molecular structure to draw

US productionCBI

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

Import value, 2024$349M

Top sourceSouth Africa 55%

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 711041, 711049 · narrow

EPA reports by year

2019: US production Confidential · Imports Confidential

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

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.

Basf Se · DE Germany

Basf

Why It Matters

Sectors

Metals & 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

Used in 3 sectors as 2 functional roles.

•Catalyst in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Catalyst in Miscellaneous Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
•Intermediate in All Other Basic Inorganic Chemical ManufacturingUse—non-incorporative activities

Chemical Identity

CAS7439-88-5

PubChem CID23924

DTXSIDDTXSID0064674

FormulaIr

Mol. Weight192.22 g/mol

SMILES[Ir]

Data Sources

EPA CompTox (DSSTox) · DTXSID0064674Retrieved 2026-04-06
PubChem · compound 23924Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Iridium (CAS 7439-88-5) https://chemicalindependence.com/chemical/7439-88-5/ EPA CompTox (DSSTox): DTXSID0064674. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0064674 PubChem: 23924. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/23924 EPA Chemical Data Reporting: 7439-88-5. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: CAS 7439-88-5. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 711041,711049 for CAS 7439-88-5. Reporting year: 2024. https://usatrade.census.gov/