1,2-Dibromotetrafluoroethane

CAS 124-73-2

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$3M

Top sourceSouth Korea 62%

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 290376 · narrow

EPA reports by year

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

These shares come from HS customs code 290376, 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).

KR 62%South KoreaBD 16%BangladeshIT 11%ItalySA 6%Saudi ArabiaNL 5%Netherlands

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.

Chemours

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

•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS124-73-2

PubChem CID31301

DTXSIDDTXSID0041226

FormulaC2Br2F4

Mol. Weight259.82 g/mol

SMILESC(C(F)(F)Br)(F)(F)Br

Data Sources

EPA CompTox (DSSTox) · DTXSID0041226Retrieved 2026-04-06
PubChem · compound 31301Retrieved 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

1,2-Dibromotetrafluoroethane (CAS 124-73-2) https://chemicalindependence.com/chemical/124-73-2/ EPA CompTox (DSSTox): DTXSID0041226. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0041226 PubChem: 31301. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/31301 EPA Chemical Data Reporting: 124-73-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 124-73-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290376 for CAS 124-73-2. Reporting year: 2024. https://usatrade.census.gov/