Ethyl perfluorobutyl ether
CAS 163702-05-4
U.S. production volumes are classified as confidential business information.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction 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
- 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.
- South Korea
- Singapore
- Spain
- United Arab Emirates
- Netherlands
- Belgium
- Indonesia
- Poland
- Mexico
- Taiwan
- Slovakia
Why It Matters
Industrial Uses
Used in 2 sectors as 3 functional roles.
- •Cleaning agent in Computer and Electronic Product ManufacturingUse—non-incorporative activities
- •Solvent in Computer and Electronic Product ManufacturingUse—non-incorporative activities
- •Heat transferring agent in Computer and Electronic Product ManufacturingUse—non-incorporative activities
- •Cleaning agent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Solvent in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
8 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| A2B Chem LLC | United States | $0.43 | 500 g | 95% |
| Aaron Chemicals LLC | Hong Kong | $0.46 | 500 g | 99% |
| Angene Chemical | China → Hong Kong | $0.46 | 500 g | 99% |
| AA BLOCKS | United States | $0.48 | 500 g | 95% |
| Combi-Blocks, Inc. | United States | $1.20 | 100 g | 95% |
| Angene International Limited | United States | $1.23 | 500 g | 98% |
| AstaTech (2 weeks) | United States | $1.40 | 100 g | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID0073118Retrieved 2026-04-06
- PubChem · compound 206000Retrieved 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
Brief citations
Ethyl perfluorobutyl ether (CAS 163702-05-4) https://chemicalindependence.com/chemical/163702-05-4/ EPA CompTox (DSSTox): DTXSID0073118. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0073118 PubChem: 206000. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/206000 EPA Chemical Data Reporting: 163702-05-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 163702-05-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290919 for CAS 163702-05-4. Reporting year: 2024. https://usatrade.census.gov/