Ethyl perfluorobutyrate
Ethyl perfluorobutyrate (CAS: 356-27-4), with the molecular formula CF₃CF₂CF₂COOCH₂CH₃ and a molecular weight of 242.09 g/mol, is a fluorinated ester. This compound serves as a valuable building block and intermediate in various chemical synthesis applications. Its unique properties make it useful in research and development settings for creating complex fluorinated molecules.
- IUPAC
- Ethyl heptafluorobutyrate

Fluorinated Compound Synthesis
Ethyl perfluorobutyrate is employed as a precursor in the synthesis of more complex fluorinated organic molecules. Its perfluorinated chain and ester functionality allow for diverse chemical transformations.
Specialty Chemical Intermediate
This compound acts as an intermediate in the production of specialty chemicals. Its incorporation can impart unique properties such as thermal stability and chemical resistance to final products.
Research and Development
Utilised in laboratory settings for R&D purposes, ethyl perfluorobutyrate aids chemists in exploring new synthetic pathways and developing novel fluorinated materials.
| Molecular weight | 242.09 |
|---|---|
| Linear formula | CF3CF2CF2COOCH2CH3 |
| Assay | 97% |
| Density | 1.396 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.302(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 14 °C / 57.2 °F |
| Transport (UN / ADR) | UN 3272 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-36/37/38 |
| Safety statements (S) | 16-26-33-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Ethyl perfluorobutyrate used for?
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Ethyl perfluorobutyrate is primarily used as a building block and intermediate in chemical synthesis, particularly for creating complex fluorinated organic molecules in research and development.
What is the CAS number and formula for Ethyl perfluorobutyrate?
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The CAS number is 356-27-4 and the linear formula is CF₃CF₂CF₂COOCH₂CH₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl perfluorobutyrate with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Ethyl perfluorobutyrate be handled safely?
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Ethyl perfluorobutyrate is a flammable liquid and vapour, and causes serious eye irritation, skin irritation, and respiratory irritation. Handle with appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a suitable respirator. Ensure adequate ventilation and keep away from ignition sources.
Is Ethyl perfluorobutyrate available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Ethyl perfluorobutyrate, adhering to international shipping regulations.
How can I request a quote or sample of Ethyl perfluorobutyrate?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (356-27-4).
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