Chlorine trifluoride

CAS 7790-91-2

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$36M

Import volumeZero

Top sourceChina 32%

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 281290 · basket

EPA reports by year

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

These shares come from HS customs code 281290, which covers 28 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 32%ChinaIN 23%IndiaDE 14%GermanyKR 13%South KoreaIT 8%Italy

Hong Kong
Taiwan
Czech Republic
Russia
Austria

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Emd Holding

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

•Semiconductor and photovoltaic agent in Computer and Electronic Product ManufacturingUse—non-incorporative activities

Chemical Identity

CAS7790-91-2

PubChem CID24637

DTXSIDDTXSID90893948

FormulaClF3

Mol. Weight92.45 g/mol

SMILESFCl(F)F

Data Sources

EPA CompTox (DSSTox) · DTXSID90893948Retrieved 2026-04-06
PubChem · compound 24637Retrieved 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

Chlorine trifluoride (CAS 7790-91-2) https://chemicalindependence.com/chemical/7790-91-2/ EPA CompTox (DSSTox): DTXSID90893948. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID90893948 PubChem: 24637. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24637 EPA Chemical Data Reporting: 7790-91-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7790-91-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 281290 for CAS 7790-91-2. Reporting year: 2024. https://usatrade.census.gov/