(Pentafluorophenyl)triethoxysilane
(Pentafluorophenyl)triethoxysilane (CAS: 20083-34-5; Formula: C6F5Si(OC2H5)3) is an organosilicon compound with a molecular weight of 330.32. It serves as a valuable silicon-based nucleophile, exhibiting notable reactivity in palladium-catalyzed cross-coupling reactions. This compound is primarily utilised in chemical synthesis, offering unique properties for advanced material development and organic transformations.

Palladium-Catalyzed Cross-Coupling Reactions
(Pentafluorophenyl)triethoxysilane acts as a nucleophile in Pd-catalyzed cross-coupling reactions. Its unique structure facilitates the introduction of the pentafluorophenyl group in complex organic molecules.
Organosilicon Synthesis
As a trialkoxysilane, this compound can participate in various organosilicon chemistry reactions. It is a precursor for functionalised silanes and siloxanes.
Chemical Synthesis Reagent
This silane is employed as a versatile reagent in advanced organic synthesis. Its utility extends to the creation of novel materials and intermediates requiring fluorinated aromatic moieties.
| Molecular weight | 330.32 |
|---|---|
| Linear formula | C6F5Si(OC2H5)3 |
| Assay | 97% |
| Boiling point | 69 °C/0.07 mmHg(lit.) |
| Density | 1.242 g/mL at 25 °C(lit.) |
| Application | A silicon-based nucleophile shown to be reactive in Pd-catalyzed cross-coupling reactions.1 |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 104 °C / 219.2 °F |
| Water hazard class (WGK, DE) | 3 |
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 (Pentafluorophenyl)triethoxysilane used for?
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(Pentafluorophenyl)triethoxysilane is used as a silicon-based nucleophile in Pd-catalyzed cross-coupling reactions and as a reagent in chemical synthesis and organosilicon chemistry.
What is the CAS number and formula for (Pentafluorophenyl)triethoxysilane?
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The CAS number is 20083-34-5 and the chemical formula is C6F5Si(OC2H5)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (Pentafluorophenyl)triethoxysilane with an assay of 97%. This is a technical/research grade material, and TSS does not represent it as USP, BP, EP, or other pharmacopoeial grades.
How should (Pentafluorophenyl)triethoxysilane be handled?
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Handling requires appropriate personal protective equipment including eyeshields, gloves, and suitable respiratory protection. Refer to the safety data sheet for comprehensive handling guidelines.
Does Tech Serve Solutions export (Pentafluorophenyl)triethoxysilane?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (Pentafluorophenyl)triethoxysilane.
How can I request a quote or sample?
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To request a quote or sample of (Pentafluorophenyl)triethoxysilane, please contact our sales team through the website or by phone.
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