Potassium fluorotantalate (K2TaF7)

CAS 16924-00-8

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

Molecular structure of 16924-00-8 — 2 K⁺

US productionCBI

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

Import value, 2024$87M

Import volumeZero

Top sourceChina 71%

At least one company claimed its 2023 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: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 282690 · basket

EPA reports by year

2023: US production Confidential · Imports Zero
2019: US production Confidential · Imports Zero

These shares come from HS customs code 282690, which covers 32 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).

CN 71%ChinaKR 12%South KoreaJP 5%JapanDE 4%GermanyBE 3%Belgium

Denmark
Mexico
Taiwan
Spain
Canada
Bulgaria
Vietnam
Poland
Italy
Brazil
United Kingdom
Switzerland

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.

Global Advanced Metals Usa

Why It Matters

Sectors

Metals & Mining

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

•Intermediate in Primary Metal Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS16924-00-8

PubChem CID28146

DTXSIDDTXSID00884943

FormulaF7K2Ta

Mol. Weight392.133 g/mol

SMILESF[Ta-2](F)(F)(F)(F)(F)F.[K+].[K+]

Data Sources

EPA CompTox (DSSTox) · DTXSID00884943Retrieved 2026-04-06
PubChem · compound 28146Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Potassium fluorotantalate (K2TaF7) (CAS 16924-00-8) https://chemicalindependence.com/chemical/16924-00-8/ EPA CompTox (DSSTox): DTXSID00884943. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID00884943 PubChem: 28146. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/28146 EPA Chemical Data Reporting: 16924-00-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 16924-00-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 282690 for CAS 16924-00-8. Reporting year: 2024. https://usatrade.census.gov/