PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE)

Name: PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE)
Brand: Zhengzhou Whchem

CAS：22884-31-7 | PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) | Whchem

CAS: 22884-31-7

Other Names

PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE);1,5-Bis(triphenylphosphonio)pentane dibromide;PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE), 98+%;triphenyl(5-triphenylphosphaniumylpentyl)phosphanium,dibromide;Pentane-1,5-diylbis(triphenylphosphonium) bromide;Pentamethylene bis (triphenylphosphine bromide);triphenyl(5-triphenylphosphaniumylpentyl)phosphanium

Structure - PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE)

Molecular Formula

Purity

>99%

Molecular Weight

754.51 g/mol

EINECS

245-292-2

Structure Available Verified Product

English Name	PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE)
English Synonyms	PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE);1,5-Bis(triphenylphosphonio)pentane dibromide;PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE), 98+%;triphenyl(5-triphenylphosphaniumylpentyl)phosphanium,dibromide;Pentane-1,5-diylbis(triphenylphosphonium) bromide;Pentamethylene bis (triphenylphosphine bromide);triphenyl(5-triphenylphosphaniumylpentyl)phosphanium
CAS Number	22884-31-7
Molecular Formula	C41H40Br2P2
Molecular Weight	754.51 g/mol
EINECS Number	245-292-2
Related Categories
Mol File	Download MOL File
Structure Image

Property	Value
Melting point	253-255°C
Storage condition	2-8°C, sealed storage, away from moisture
Appearance	White to yellow solid
Water solubility	Soluble in water
Sensitivity	Hygroscopic
BRN	3875042

PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) (CAS 22884-31-7) is an organophosphorus compound and phosphine-based material used in cross-coupling catalysis, ligand synthesis, flame retardants and electronic chemicals.

Zhengzhou Whchem supplies PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) with >99% purity, supporting both laboratory research and industrial production.

Category	Description (English Translation)
Uses & Synthesis Methods Pentamethylenebis(triphenylphosphonium Bromide)	Uses & Synthesis Methods Uses: Pentamethylenebis(triphenylphosphonium bromide) is a bisphosphonium salt compound. It is commonly used as a Wittig reagent precursor in organic synthesis for the construction of carbon-carbon double bonds, particularly in the synthesis of dienes and conjugated polyenes. It is also widely used as a phase transfer catalyst and as an intermediate in the synthesis of various bioactive molecules and pharmaceutical compounds. Synthesis Methods: The compound can be synthesized by reacting triphenylphosphine with 1,5-dibromopentane. Typically, a solution of triphenylphosphine and 1,5-dibromopentane in an inert solvent such as toluene or acetonitrile is heated under reflux for several hours. The resulting bisphosphonium salt precipitates out of the solution and can be collected by filtration, washed with an appropriate solvent, and dried under reduced pressure to afford the desired product as a white to yellow solid. td>

Category

Description (English Translation)

Uses & Synthesis Methods

Pentamethylenebis(triphenylphosphonium Bromide)

Uses & Synthesis Methods

Uses: Pentamethylenebis(triphenylphosphonium bromide) is a bisphosphonium salt compound. It is commonly used as a Wittig reagent precursor in organic synthesis for the construction of carbon-carbon double bonds, particularly in the synthesis of dienes and conjugated polyenes. It is also widely used as a phase transfer catalyst and as an intermediate in the synthesis of various bioactive molecules and pharmaceutical compounds.

Synthesis Methods: The compound can be synthesized by reacting triphenylphosphine with 1,5-dibromopentane. Typically, a solution of triphenylphosphine and 1,5-dibromopentane in an inert solvent such as toluene or acetonitrile is heated under reflux for several hours. The resulting bisphosphonium salt precipitates out of the solution and can be collected by filtration, washed with an appropriate solvent, and dried under reduced pressure to afford the desired product as a white to yellow solid.
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Category	Value
Hazard Codes (R Phrases)	36/37/38
Safety Codes (S Phrases)	26-36

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PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE)

CAS：22884-31-7 | PENTAMETHYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) | Whchem

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