Tetrabutylphosphonium tetrafluoroborate
Tetrabutylphosphonium tetrafluoroborate (CAS: 1813-60-1) is a phosphonium salt with the linear formula (CH3CH2CH2CH2)4P(BF4) and a molecular weight of 346.24 g/mol. This compound is recognised for its utility in electrochemical applications. It serves as a supporting electrolyte and is also employed in chemical synthesis and as a phase transfer catalyst. Tech Serve Solutions supplies this reagent for analytical and research purposes.

Electrochemistry
As a supporting electrolyte, Tetrabutylphosphonium tetrafluoroborate is valuable in various electrochemical studies and applications, contributing to conductivity in non-aqueous solutions.
Chemical Synthesis
This compound functions as a phase transfer catalyst, facilitating reactions between reactants in different phases. It is also used as a reagent in various synthetic procedures.
Analytical Reagent
With a purity of ≥99.0%, Tetrabutylphosphonium tetrafluoroborate is suitable for use in analytical chemistry, including chromatography and general laboratory analysis.
| Molecular weight | 346.24 |
|---|---|
| Linear formula | (CH3CH2CH2CH2)4P(BF4) |
| Assay | ≥99.0% (T)≥99.0% |
| Grade | for electrochemical analysis |
| Solubility | methanol: soluble0.1 g/mL, clear, colorless |
| Melting point | 96-99 °C |

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) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Measuring Range | ~19.2 mS/cm conductivity, (from 0.1 g/ml acetonitrile) |
|---|
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 Tetrabutylphosphonium tetrafluoroborate used for?
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Tetrabutylphosphonium tetrafluoroborate is used as a supporting electrolyte in electrochemistry, a phase transfer catalyst in chemical synthesis, and as an analytical reagent.
What is the CAS number and formula for Tetrabutylphosphonium tetrafluoroborate?
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The CAS number is 1813-60-1 and the linear formula is (CH3CH2CH2CH2)4P(BF4).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrabutylphosphonium tetrafluoroborate with an assay of ≥99.0% (T) and is suitable for electrochemical analysis. We do not represent this product as USP, BP, or EP grade.
How should Tetrabutylphosphonium tetrafluoroborate be handled safely?
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Tetrabutylphosphonium tetrafluoroborate is classified with GHS07 and carries a Warning signal word. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used. Ensure good ventilation.
How is Tetrabutylphosphonium tetrafluoroborate packed and exported?
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Tetrabutylphosphonium tetrafluoroborate is carefully packaged to maintain its integrity during transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Tetrabutylphosphonium tetrafluoroborate?
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To request a sample or a quote, please contact Tech Serve Solutions directly through our website or by phone. Our team will be happy to assist you with your inquiry.
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