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Specifications
| Appearance | White to light yellow crystals |
| Assay (by Titrimetry) | 99% min |
| Solubility | Conforms |
| Moisture | 0.5% max |
| Free Amine salt | 0.5% max |
| Free Amine | 0.5% max |
| pH | 5.5-7.5 |
| Melting range | 144-146°C |
Applications
Tetrabutylammonium iodide (CAS 311-28-4) is a quaternary ammonium salt widely used as a phase-transfer catalyst and reagent in organic synthesis. Its primary applications include facilitating nucleophilic substitution, halogenation, and oxidation reactions by transferring anions from aqueous to organic phases, thereby enhancing reaction rates and yields. It is also used as a source of iodide ions in halide exchange reactions, in the synthesis of quaternary ammonium compounds, and as an electrolyte in electrochemical applications. Additionally, it finds use in polymer chemistry, ionic liquids, and materials science for preparing functionalized polymers and conducting media.
Benefits
The benefits of tetrabutylammonium iodide arise from its excellent solubility in organic solvents, stability, and catalytic efficiency. As a phase-transfer catalyst, it enables reactions under mild conditions, often eliminating the need for harsh reagents or extreme temperatures. Its iodide anion provides high nucleophilicity, improving the efficiency of substitution and halogenation reactions. Furthermore, its quaternary ammonium structure enhances compatibility with a wide range of solvents and reaction media, making it versatile for laboratory-scale and industrial-scale syntheses.
Conclusion
In conclusion, tetrabutylammonium iodide is a versatile quaternary ammonium salt used in organic synthesis, phase-transfer catalysis, and materials chemistry. Its solubility, reactivity, and stability make it an essential reagent for improving reaction efficiency, selectivity, and scalability. By enabling effective chemical transformations, it plays a significant role in modern synthetic and industrial chemistry.
