2,3,3,4,4,5,5-Heptafluoro-1-pentene

CAS 1547-26-8

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$48M

Top sourceChina 36%

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 290359 · basket

EPA reports by year

2019: US production Confidential · Imports Confidential

These shares come from HS customs code 290359, which covers 16 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 36%ChinaDE 35%GermanyJP 21%JapanKR 5%South KoreaIN 1%India

Italy
Spain
Malaysia
Ukraine

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.

Daikin Industries · JP Japan

Daikin America

Why It Matters

Sectors

Plastics & Rubber

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 Plastics Material and Resin Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS1547-26-8

PubChem CID13750142

DTXSIDDTXSID1074595

FormulaC5H3F7

Mol. Weight196.07 g/mol

SMILESC=C(C(C(C(F)F)(F)F)(F)F)F

Data Sources

EPA CompTox (DSSTox) · DTXSID1074595Retrieved 2026-04-06
PubChem · compound 13750142Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

2,3,3,4,4,5,5-Heptafluoro-1-pentene (CAS 1547-26-8) https://chemicalindependence.com/chemical/1547-26-8/ EPA CompTox (DSSTox): DTXSID1074595. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1074595 PubChem: 13750142. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/13750142 EPA Chemical Data Reporting: 1547-26-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1547-26-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290359 for CAS 1547-26-8. Reporting year: 2024. https://usatrade.census.gov/