Tetrabutylammonium hexafluorophosphate
Tetrabutylammonium hexafluorophosphate (CAS 3109-63-5), with the linear formula (CH3CH2CH2CH2)4N(PF6) and a molecular weight of 387.43 g/mol, is a quaternary ammonium salt. It is commonly employed as a phase transfer catalyst and a supporting electrolyte in electrochemical applications. Its utility extends to organic synthesis, facilitating reactions between immiscible phases. This compound is available from Tech Serve Solutions.

Phase Transfer Catalysis
Tetrabutylammonium hexafluorophosphate acts as an effective phase transfer catalyst, enabling reactions between reactants located in different phases, such as aqueous and organic layers. This enhances reaction rates and yields in various synthetic processes.
Electrolyte in Electrochemistry
Due to its ionic conductivity and electrochemical stability, this compound serves as a supporting electrolyte in electrochemical studies and applications, particularly in non-aqueous systems.
Chemical Synthesis Reagent
It is utilized as a reagent in diverse organic synthesis pathways. Its role often involves facilitating nucleophilic substitutions and other transformations where precise control of reactivity is needed.
| Molecular weight | 387.43 |
|---|---|
| Linear formula | (CH3CH2CH2CH2)4N(PF6) |
| Assay | 98% |
| Grade | purum |
| Melting point | 244-246 °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 |
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 Tetrabutylammonium hexafluorophosphate used for?
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Tetrabutylammonium hexafluorophosphate is primarily used as a phase transfer catalyst, a supporting electrolyte in electrochemistry, and a general reagent in chemical synthesis.
What is the CAS number and chemical formula for Tetrabutylammonium hexafluorophosphate?
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The CAS number is 3109-63-5 and the linear chemical formula is (CH3CH2CH2CH2)4N(PF6).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrabutylammonium hexafluorophosphate with a minimum assay of 98% in purum grade. We do not represent this product as USP, BP, or EP grade.
How should Tetrabutylammonium hexafluorophosphate be handled safely?
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Tetrabutylammonium hexafluorophosphate may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use with adequate ventilation, wear a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust.
Is Tetrabutylammonium hexafluorophosphate a controlled substance?
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No, the provided data does not indicate that Tetrabutylammonium hexafluorophosphate is a controlled substance.
How is this chemical packed and shipped?
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This chemical is packed according to standard industry practices for fine chemicals and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a sample or a quote?
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Please contact our sales team directly through the website or by phone to request a sample or a formal quotation for Tetrabutylammonium hexafluorophosphate.
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