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Triphenylphosphine hydrobromide

CAS 6399-81-1

Molecular structure of Triphenylphosphine hydrobromide

CAS · 6399-81-1

01

Product Overview

Triphenylphosphine hydrobromide is a high-purity organophosphorus-compounds supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Appearance Off-white solid
NMR Conforms to Structure
Purity 97% min
03

Applications

Triphenylphosphine hydrobromide is an organophosphorus salt widely used as a reagent and intermediate in organic synthesis and pharmaceutical development. It serves as a source of triphenylphosphine for nucleophilic reactions and as a bromide donor in substitution and elimination reactions. It is particularly employed in the synthesis of phosphonium salts, ylides for the Wittig reaction, and various organophosphorus intermediates, enabling the construction of carbon–carbon double bonds and other functional groups with high selectivity. Additionally, it finds use in the preparation of fine chemicals, agrochemicals, and pharmaceutical intermediates, where it facilitates reactions under mild and controlled conditions while providing a convenient, stable, and easy-to-handle source of reactive phosphorus species.

04

Benefits

The benefits of triphenylphosphine hydrobromide stem from its stability, ease of handling, and dual functionality. As a salt, it is more stable and less air-sensitive than free triphenylphosphine, making it safer and more convenient for laboratory and industrial applications. It provides both the nucleophilic triphenylphosphine and the bromide ion, enabling efficient transformations in substitution, elimination, and Wittig-type reactions. Its use improves reaction control, minimizes by-product formation, and allows precise introduction of phosphorus functionality into target molecules. The compound's solubility in organic solvents and compatibility with various reaction conditions further enhance its versatility and reliability in organic synthesis.

05

Conclusion

Triphenylphosphine hydrobromide is a valuable organophosphorus reagent and intermediate widely used in organic synthesis, phosphonium salt formation, and fine chemical production. Its combination of stability, dual reactivity, and ease of handling provides efficient and controlled transformations, including substitution, elimination, and Wittig reactions. The benefits it offers-including improved reaction safety, selectivity, and versatility-make it an essential tool in pharmaceutical, agrochemical, and advanced organic synthesis applications.

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