Perfluorobutanedioic acid

CAS 377-38-8

Butanedioic acid, 2,2,3,3-tetrafluoro-

Molecular structure of 377-38-8
US productionNot reported
Import value, 2024$139M
Top sourceChina 67%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291719 · basket

These shares come from HS customs code 291719, which covers 176 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 67%ChinaCA 13%CanadaAT 4%AustriaIN 4%IndiaJP 4%Japan

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$9.90/gAngene International Limited
CountryUnited States
Pack$990.00 / 100 g
Purity98%
Vendors11 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS377-38-8
PubChem CIDNot recorded
DTXSIDDTXSID8059928
FormulaC4H2F4O4
Mol. Weight190.05 g/mol
SMILESOC(=O)C(F)(F)C(F)(F)C(O)=O

Data Sources

Brief citations

Perfluorobutanedioic acid (CAS 377-38-8) https://chemicalindependence.com/chemical/377-38-8/ EPA TSCA Inventory: CAS 377-38-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291719 for CAS 377-38-8. Reporting year: 2024. https://usatrade.census.gov/