Triethyloxonium tetrafluoroborate
Triethyloxonium tetrafluoroborate (CAS 368-39-8) is a powerful ethylating agent with the linear formula (C2H5)3O(BF4) and a molecular weight of 189.99 g/mol. It is a key reagent in organic synthesis, primarily used for alkyl transfer reactions. This compound is typically supplied as a solution in methylene chloride for ease of handling and reactivity control, serving as a valuable tool in various chemical transformations.
Ethylating Agent
Triethyloxonium tetrafluoroborate serves as a highly effective electrophilic ethylating agent. It is widely employed to introduce ethyl groups onto nucleophilic substrates such as alcohols, phenols, carboxylic acids, and amines.
C-X Bond Formation
This reagent facilitates the formation of carbon-heteroatom bonds (C-X), specifically through ethoxy group transfer. It is particularly useful in non-halogen based C-X bond formations in synthetic organic chemistry.
Synthetic Reagent
As a versatile synthetic reagent, it is instrumental in complex molecule synthesis and the preparation of various organic intermediates. Its strong ethylating capability makes it a go-to for challenging transformations.
| Molecular weight | 189.99 |
|---|---|
| Linear formula | (C2H5)3O(BF4) |
| Assay | ≥97.0% (T) |
| Density | 1.328 g/mL at 25 °C |
| Solubility | methylene chloride: soluble20 mg/mL, clear, colorless |
| Concentration | 1.0 M in methylene chloride |
| Storage temperature | 2-8°C |
| Contains / stabiliser | 1-3% ether as stabilizer |
Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 14-34 |
| Safety statements (S) | 26-36/37/39-45 |
| Supplemental hazards | Reacts violently with water. |
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 Triethyloxonium tetrafluoroborate used for?
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Triethyloxonium tetrafluoroborate is primarily used as a potent ethylating agent in organic synthesis for introducing ethyl groups onto nucleophiles and for facilitating C-X bond formation reactions.
What is the CAS number and formula for Triethyloxonium tetrafluoroborate?
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The CAS number is 368-39-8 and the linear formula is (C2H5)3O(BF4).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triethyloxonium tetrafluoroborate with an assay of ≥97.0% (T). We do not represent this product as USP, BP, or EP grade.
How should Triethyloxonium tetrafluoroborate be handled safely?
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Triethyloxonium tetrafluoroborate reacts violently with water and is corrosive. It requires careful handling with appropriate personal protective equipment, including eyeshields, faceshields, gloves, and respiratory protection, in a well-ventilated area. Refer to the Safety Data Sheet for full details.
How is Triethyloxonium tetrafluoroborate packed, shipped, and exported?
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Triethyloxonium tetrafluoroborate is typically supplied as a 1.0 M solution in methylene chloride and stored at 2-8°C. Shipping and export adhere to international regulations for hazardous materials (UN 3261, Class 8, Packing Group II).
How can I request a sample or a quote for Triethyloxonium tetrafluoroborate?
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To request a sample or a quote, please use the contact form on our website or email our sales department, specifying the product name and CAS number.
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