Perfluoroeicosane
Perfluoroeicosane (CAS: 37589-57-4), with the linear formula CF3(CF2)18CF3, is a fully fluorinated alkane. This compound serves as a valuable standard in mass spectrometry, offering precise calibration. Its unique chemical structure, composed entirely of carbon and fluorine atoms, provides exceptional thermal and chemical stability, making it suitable for specialized analytical applications in research and development.

Mass Spectrometry Standard
Perfluoroeicosane is utilised as a calibration standard in mass spectrometry. Its predictable fragmentation patterns aid in the accurate identification and quantification of other substances.
Analytical Chemistry Reagent
This compound finds application as a reference material in various analytical techniques. Its high purity and defined molecular weight are crucial for ensuring reliable experimental results.
Organic Synthesis Building Block
As a perfluorinated alkane, it can serve as a building block in the synthesis of complex fluorinated organic molecules for advanced material science applications.
| Molecular weight | 1038.15 |
|---|---|
| Linear formula | CF3(CF2)18CF3 |
| Application | Mass spectrum standard. |
| Melting point | 164-166 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 Perfluoroeicosane used for?
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Perfluoroeicosane is primarily used as a standard in mass spectrometry for calibration and as a reference material in analytical chemistry.
What are the CAS number and formula for Perfluoroeicosane?
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The CAS number for Perfluoroeicosane is 37589-57-4, and its linear formula is CF3(CF2)18CF3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Perfluoroeicosane (CAS: 37589-57-4) as a technical/research grade material. We do not represent this product as USP, BP, or EP grade.
How should Perfluoroeicosane be handled safely?
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Perfluoroeicosane is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation.
How is Perfluoroeicosane packed and exported?
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Tech Serve Solutions expertly packs and exports chemicals globally, adhering to all necessary regulations for safe transit and international compliance.
How can I request a sample or quote for Perfluoroeicosane?
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To request a sample or a quote for Perfluoroeicosane, please contact our sales team through our website or by phone.
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