Triphenylvinylphosphonium bromide

Synonym: Ethenyltriphenylphosphonium bromide, Schweizer’s Reagent, Vinyltriphenylphosphonium bromide
CAS Number 5044-52-0 | MDL Number MFCD00011807 | EC Number 225-740-3

Triphenylvinylphosphonium bromide Chemical Structure

Product CodeP4520
CAS Number5044-52-0
Assay (purity)96%
Purity methodby titration
Molecular weight369.23
Appearancelight yellow powder
Melting point176-178C
Titration typewith AgNO3
Molecular formulaC20H18BrP
Linear formulaCH2=CHP(Br)(C6H5)3

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Triphenylvinylphosphonium bromide contact us at

Safety information

In TSCA registryNo (sold for research and development usage only)

Certificates of analysis (CoA)

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External identifiers for Ethenyltriphenylphosphonium bromide

Pubchem CID2723893
IUPAC Nameethenyl(triphenyl)phosphanium;bromide
InchI IdentifierInChI=1S/C20H18P.BrH/c1-2-21(18-12-6-3-7-13-18,19-14-8-4-9-15-19)20-16-10-5-11-17-20;/h2-17H,1H2;1H/q+1;/p-1

Ereztech synthesizes and sells additional P-compounds.

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