Potassium perfluorobutanesulfonate

U.S. production volumes are classified as confidential business information.

US ProductionCBI

Import Value$9M

Top SourceChina 53%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 290499 · basket

These shares come from HS customs code 290499, which covers 15 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries

CN 53%ChinaIN 30%IndiaUA 4%UkraineTW 4%TaiwanIT 4%Italy

EPA-registered importers (2)

Lg Chem · KR South Korea

Lg Chem America

Why It Matters

Sectors

Electronics

Downstream UsesNo data available

FDA Shortage Status

No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

•Flame retardant in Electrical Equipment, Appliance, and Component ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS29420-49-3

PubChem CID23675274

DTXSIDDTXSID3037707

FormulaC4F9KO3S

Mol. Weight338.19 g/mol

SMILESC(C(C(F)(F)S(=O)(=O)[O-])(F)F)(C(F)(F)F)(F)F.[K+]

Data Sources

DTXSID30377072026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

236752742026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/23675274/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/23675274.json

29420-49-32026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 29420-49-32026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv

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