Perfluoroethyl vinyl ether

CAS 10493-43-3

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$117M

Top sourceIndia 29%

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 290919 · basket

EPA reports by year

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

These shares come from HS customs code 290919, which covers 93 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).

IN 29%IndiaCN 25%ChinaJP 20%JapanBR 6%BrazilDE 4%Germany

South Korea
Singapore
Spain
United Arab Emirates
Netherlands
Belgium
Indonesia
Poland
Mexico
Taiwan
Slovakia

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

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

•Monomers in Plastics Material and Resin Manufacturing (60%)Processing as a reactant

Vendor Pricing

$7.85/gA2B Chem LLC (1 week)

CountryUnited States

Pack$785.00 / 100 g

Purity97%

Vendors2 available

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

1 more vendor

Vendor	Country	$/g	Pack	Purity
AA BLOCKS (1 week)	United States	$8.30	100 g	—

Chemical Identity

CAS10493-43-3

PubChem CID82672

DTXSIDDTXSID1075305

FormulaC4F8O

Mol. Weight216.03 g/mol

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

Data Sources

EPA CompTox (DSSTox) · DTXSID1075305Retrieved 2026-04-06
PubChem · compound 82672Retrieved 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

Perfluoroethyl vinyl ether (CAS 10493-43-3) https://chemicalindependence.com/chemical/10493-43-3/ EPA CompTox (DSSTox): DTXSID1075305. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1075305 PubChem: 82672. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/82672 EPA Chemical Data Reporting: 10493-43-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 10493-43-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290919 for CAS 10493-43-3. Reporting year: 2024. https://usatrade.census.gov/