Most Professional Factory Supply High Qulity Tetraethylammonium bromide CAS 71-91-0

1. Chemical Identity:

Tetraethylammonium bromide, with the CAS number 71-91-0, is a quaternary ammonium compound commonly used as a phase-transfer catalyst, electrolyte, and reagent in various chemical synthesis and industrial processes.

2. Molecular Structure:

This compound consists of a tetraethylammonium cation (N(C2H5)4^+) and a bromide anion (Br^-), forming a quaternary ammonium salt. The four ethyl groups attached to the central nitrogen atom render it a large and hydrophobic cation.

3. Physical Properties:

Tetraethylammonium bromide typically appears as a white crystalline solid at room temperature. It is sparingly soluble in water but dissolves readily in polar organic solvents such as ethanol and acetone.

4. Functionality:

As a phase-transfer catalyst, tetraethylammonium bromide facilitates the transfer of reactants between immiscible phases, typically between an aqueous phase and an organic phase, thereby accelerating reaction rates and increasing yields.

5. Industrial Applications:

This compound finds extensive use in various chemical synthesis processes, including organic synthesis, polymerization reactions, and pharmaceutical manufacturing. Its use as a phase-transfer catalyst enables the synthesis of a wide range of organic compounds.

6. Electrolyte in Electrochemical Cells:

Tetraethylammonium bromide is utilized as an electrolyte in electrochemical cells, particularly in batteries and fuel cells. It helps facilitate the flow of ions between the anode and cathode, contributing to the overall performance and efficiency of the cell.

7. Reagent in Analytical Chemistry:

In analytical chemistry, tetraethylammonium bromide is used as a reagent and standard in various analytical techniques, including ion chromatography and liquid-liquid extraction. It aids in the separation and analysis of ionic species in complex mixtures.

8. Solubilizing Agent:

Tetraethylammonium bromide is also employed as a solubilizing agent for poorly soluble compounds in organic solvents. Its ability to form ion pairs with anions or complex with metal ions enhances the solubility of certain substances.

9. Regulatory Considerations:

Regulatory agencies monitor the use of tetraethylammonium bromide in industrial and laboratory settings to ensure compliance with safety and environmental regulations. Proper handling, storage, and disposal practices are essential to minimize risks associated with its use and to comply with regulatory requirements.

10. Safety Considerations:

While tetraethylammonium bromide is generally considered safe when handled and used properly, it is important to follow appropriate safety precautions, including wearing protective equipment and working in well-ventilated areas, to minimize exposure and potential health risks associated with its use.