3-Ethoxyperfluoro(2-methylhexane)

CAS 297730-93-9

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

Import volumeZero

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 Zero
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

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Why It Matters

Sectors

Electronics

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 2 sectors as 1 functional role.

•Heat transferring agent in Electrical Equipment, Appliance, and Component ManufacturingUse—non-incorporative activities
•Heat transferring agent in Computer and Electronic Product ManufacturingUse—non-incorporative activities

Vendor Pricing

$0.41/gFluorochem UK

CountryUnited Kingdom

Pack$414.70 / 1 kg

PurityNot recorded

Vendors13 available

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

12 more vendors

Vendor	Country	$/g	Pack	Purity
Aaron Chemicals LLC	Hong Kong	$0.57	500 g	99%
Angene Chemical	China → Hong Kong	$0.65	500 g	99%
Ambeed, Inc.	United States	$0.68	500 g	—
Combi-Blocks, Inc.	United States	$0.68	500 g	95%
A2B Chem LLC	United States	$0.73	500 g	95%
AA BLOCKS	United States	$0.77	500 g	98%
Fluorochem EU	Germany	$0.82	1 kg	99%
Apollo Scientific US	United Kingdom	$1.75	100 g	99%
AstaTech (2 weeks)	United States	$2.77	100 g	95%
AK Scientific, Inc.	United States	$9.40	5 g	98%
Angene International Limited	United States	$21.60	5 g	98%
Angene	China → Hong Kong	$4266.67	30 mg	99%

Chemical Identity

CAS297730-93-9

PubChem CID2782436

DTXSIDDTXSID90870315

FormulaC9H5F15O

Mol. Weight414.11 g/mol

SMILESCCOC(C(C(F)(F)F)(C(F)(F)F)F)(C(C(C(F)(F)F)(F)F)(F)F)F

Data Sources

EPA CompTox (DSSTox) · DTXSID90870315Retrieved 2026-04-06
PubChem · compound 2782436Retrieved 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

3-Ethoxyperfluoro(2-methylhexane) (CAS 297730-93-9) https://chemicalindependence.com/chemical/297730-93-9/ EPA CompTox (DSSTox): DTXSID90870315. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID90870315 PubChem: 2782436. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/2782436 EPA Chemical Data Reporting: 297730-93-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 297730-93-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290919 for CAS 297730-93-9. Reporting year: 2024. https://usatrade.census.gov/