Tetrabutylammonium bromide
Tetrabutylammonium bromide (CAS: 1643-19-2), with the linear formula (CH3CH2CH2CH2)4N(Br) and a molecular weight of 322.37 g/mol, is a quaternary ammonium salt. It is widely recognised for its utility as a phase transfer catalyst in organic synthesis, facilitating reactions between immiscible phases. This versatile compound is also employed in various chemical research and industrial applications requiring a lipophilic cation source.
- Synonyms
- TBABTetrabutylammonium tribromideBromuro de tetrabutilamonio
Phase Transfer Catalysis
Tetrabutylammonium bromide is a highly effective phase transfer catalyst. It facilitates the transfer of anions from an aqueous phase to an organic phase, enabling reactions between poorly soluble reactants. This is crucial in diverse synthetic transformations.
Organic Synthesis
This compound serves as a versatile reagent and catalyst in numerous organic reactions. Its applications span alkylations, nucleophilic substitutions, and polymerisation processes, where it enhances reaction rates and yields.
Electrolyte Component
Due to its ionic nature and solubility in organic solvents, tetrabutylammonium bromide can be utilised as a supporting electrolyte in electrochemical studies and applications, providing conductivity in non-aqueous systems.
Ion-Pairing Agent
In chromatography, it functions as an ion-pairing agent, improving the separation of ionic analytes on reversed-phase columns. This aids in the analysis and purification of various chemical compounds.
| Molecular weight | 322.37 |
|---|---|
| Linear formula | (CH3CH2CH2CH2)4N(Br) |
| Assay | ≥99.0% |
| Grade | ACS reagent |
| Boiling point | 102 °C |
| Density | 1.039 g/mL at 25 °C |
| Refractive index | n20/D 1.422 |
| Melting point | 102-106 °C(lit.) |
| Solubility | ethanol: soluble50 mg/mL, clear, colorless to light yellow |
| Concentration | 50 wt. % in H2O |
| Impurities tested | ≤0.5% tributylamine hydrobromide≤0.5% tributylamine |
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.
| Greener Alternative Product Characteristics | Catalysis |
|---|
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 bromide used for?
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Tetrabutylammonium bromide is primarily used as a phase transfer catalyst in organic synthesis, facilitating reactions between different phases. It also finds applications in chemical research, as an electrolyte component, and as an ion-pairing agent in chromatography.
What is the CAS number and formula for Tetrabutylammonium bromide?
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The CAS number for Tetrabutylammonium bromide is 1643-19-2 and its linear formula is (CH3CH2CH2CH2)4N(Br).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrabutylammonium bromide in ACS reagent grade with an assay of ≥99.0%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should Tetrabutylammonium bromide be handled safely?
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Tetrabutylammonium bromide is a skin, eye, and respiratory irritant (H315, H319, H335). When handling, use a dust mask type N95 (US), wear eyeshields and gloves. Ensure good ventilation and avoid breathing dust.
How is Tetrabutylammonium bromide packed and exported?
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Tetrabutylammonium bromide is carefully packed for secure transport and export globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a sample or quote for Tetrabutylammonium bromide?
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To request a sample or a quote for Tetrabutylammonium bromide, please contact our sales team through the website or by phone, providing your specific requirements.
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