2H,3H-Perfluoropentane

CAS 138495-42-8

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$9M

Top sourceJapan 100%

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.

Where It Comes From

Customs basis: HS 290348 · exact

EPA reports by year

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

Source Countries

Country of origin for US imports, from Census customs data (2024).

JP 100%Japan

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

ElectronicsMetals & 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 4 sectors as 2 functional roles.

•Cleaning agent in All Other Chemical Product and Preparation Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
•Cleaning agent in Miscellaneous Manufacturing (70%)Processing—repackaging
•Solvent in Computer and Electronic Product Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
•Cleaning agent in Fabricated Metal Product Manufacturing (1%)Use—non-incorporative activities

Chemical Identity

CAS138495-42-8

PubChem CID86240

DTXSIDDTXSID30869884

FormulaC5H2F10

Mol. Weight252.05 g/mol

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

Data Sources

EPA CompTox (DSSTox) · DTXSID30869884Retrieved 2026-04-06
PubChem · compound 86240Retrieved 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

2H,3H-Perfluoropentane (CAS 138495-42-8) https://chemicalindependence.com/chemical/138495-42-8/ EPA CompTox (DSSTox): DTXSID30869884. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID30869884 PubChem: 86240. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/86240 EPA Chemical Data Reporting: 138495-42-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 138495-42-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290348 for CAS 138495-42-8. Reporting year: 2024. https://usatrade.census.gov/