Tetrapropylammonium tetrafluoroborate
Tetrapropylammonium tetrafluoroborate (CAS 338-38-5) is a quaternary ammonium salt with the linear formula (CH3CH2CH2)4N(BF4) and a molecular weight of 273.16 g/mol. This compound functions effectively as a phase transfer catalyst and finds application in various chemical synthesis processes. It is supplied by Tech Serve Solutions with an assay of ≥98.0%, suitable for research and industrial applications.

Phase Transfer Catalysis
Tetrapropylammonium tetrafluoroborate serves as a robust phase transfer catalyst, facilitating reactions between reagents in immiscible phases. Its structure enables efficient transfer of anions across phase boundaries, enhancing reaction rates and yields in organic synthesis.
Chemical Synthesis Reagent
This compound is utilised as a key reagent in various synthetic pathways. It can be employed in reactions requiring a quaternary ammonium cation with specific lipophilicity, contributing to the formation of desired organic molecules.
Electrolyte Component
In certain electrochemical applications, tetrapropylammonium tetrafluoroborate can be used as a component of electrolytes. Its ionic conductivity and stability are advantageous in non-aqueous systems for batteries or electroanalytical studies.
| Molecular weight | 273.16 |
|---|---|
| Linear formula | (CH3CH2CH2)4N(BF4) |
| Assay | ≥98.0% |
| Melting point | 245-247 °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.
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 Tetrapropylammonium tetrafluoroborate used for?
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Tetrapropylammonium tetrafluoroborate is primarily used as a phase transfer catalyst and a reagent in chemical synthesis. It can also find application as a component in electrolytes for electrochemical studies.
What is the CAS number and chemical formula for Tetrapropylammonium tetrafluoroborate?
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The CAS number is 338-38-5 and the linear chemical formula is (CH3CH2CH2)4N(BF4).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrapropylammonium tetrafluoroborate with an assay of ≥98.0%. This is a technical/research grade and is not represented as USP, BP, or EP.
How should Tetrapropylammonium tetrafluoroborate be handled safely?
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Handle with appropriate personal protective equipment including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust and ensure good ventilation. It is classified as causing skin irritation, serious eye irritation, and respiratory irritation (H315, H319, H335).
How is this chemical packed and shipped?
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Tetrapropylammonium tetrafluoroborate is carefully packed to ensure safe transit and is available for global export. Specific packaging details can be provided upon request.
How can I request a sample or quote?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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