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Difluoro(fluorosulphonyl)acetyl fluoride

CAS 677-67-8

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

Molecular structure of 677-67-8
US productionCBI
Import value, 2024$384M
Top sourceMalaysia 21%

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 291590 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 291590, which covers 588 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
MY 21%MalaysiaDE 13%GermanyNL 13%NetherlandsMX 10%MexicoIT 8%Italy
Domestic parents -- activity not disclosed (1)
Chemours

Why It Matters

Sectors
Core Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

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

Vendor Pricing

$1.53/gAA BLOCKS (1 week)
CountryUnited States
Pack$383.00 / 250 g
PurityNot recorded
Vendors1 available

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

Chemical Identity

CAS677-67-8
PubChem CID69614
DTXSIDDTXSID0060981
FormulaC2F4O3S
Mol. Weight180.08 g/mol
SMILESC(=O)(C(F)(F)S(=O)(=O)F)F

Data Sources

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Brief citations

Difluoro(fluorosulphonyl)acetyl fluoride (CAS 677-67-8) https://chemicalindependence.com/chemical/677-67-8/ EPA CompTox (DSSTox): DTXSID0060981. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0060981 PubChem: 69614. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/69614 EPA Chemical Data Reporting: 677-67-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 677-67-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291590 for CAS 677-67-8. Reporting year: 2024. https://usatrade.census.gov/