Date published: 2026-4-24

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Benzyltriphenylphosphonium bromide (CAS 1449-46-3)

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CAS Number:
1449-46-3
Molecular Weight:
433.32
Molecular Formula:
C25H22BrP
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Benzyltriphenylphosphonium bromide is a quaternary phosphonium salt that functions as a phase-transfer catalyst in organic synthesis. Its mechanism of action involves the transfer of a lipophilic cation to an aqueous phase, facilitating the reaction between organic and inorganic compounds. Benzyltriphenylphosphonium Bromide plays a role in promoting the reaction between immiscible reactants by increasing their solubility in the reaction medium. Benzyltriphenylphosphonium bromide acts by forming a complex with the reactants, allowing them to undergo the desired transformation at the interface of the two phases. This facilitates the synthesis of various organic compounds by enabling the reaction to proceed under milder conditions and increasing the yield of the desired product. Its function as a phase-transfer catalyst may be useful in the development of new synthetic methodologies and the production of complex organic molecules.


Benzyltriphenylphosphonium bromide (CAS 1449-46-3) References

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Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Benzyltriphenylphosphonium bromide, 50 g

sc-239334
50 g
$105.00