Description

{(2-Bromoethyl)Benzyl}Triphenylphosphonium Bromide is a high-purity, crystalline phosphonium salt widely utilized as a key reagent in organic synthesis. Its primary value lies in its role as a versatile Wittig reagent, enabling the efficient formation of carbon-carbon double bonds to construct complex olefinic structures. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where precise and scalable synthetic methodologies are critical.

Application

• Wittig Olefination Reactions: As a stabilized ylide precursor for the synthesis of alkenes, particularly those with electron-withdrawing substituents.
• Pharmaceutical Intermediate Synthesis: For constructing key olefinic intermediates in the development of active pharmaceutical ingredients (APIs).
• Agrochemical Production: In the synthesis of complex molecules for crop protection agents and herbicides.
• Liquid Crystal & OLED Material Research: For building conjugated systems and rigid-rod molecules used in display technologies.
• Polymer Chemistry: As a monomer or chain-transfer agent in the synthesis of functional polymers and specialty resins.
• Academic & R&D Laboratories: A fundamental reagent for methodological development and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	{(2-Bromoethyl)Benzyl}Triphenylphosphonium Bromide
CAS No.	21844-32-6
Molecular Formula	C27H25Br2P
Molecular Weight	540.27 g/mol
Synonyms	(2-Bromoethyl)(phenylmethyl)triphenylphosphonium bromide; Benzyl(2-bromoethyl)triphenylphosphonium bromide; [2-Bromoethyl(phenyl)methyl]triphenylphosphonium bromide; (2-Bromoethyl)benzyl-triphenylphosphonium bromide; Triphenyl[(2-bromoethyl)benzyl]phosphonium bromide; Phosphonium, (2-bromoethyl)benzyltriphenyl-, bromide; (2-Bromoethyl)benzylphosphonium triphenyl bromide
EINECS	Contact for details

Quality Control

Our {(2-Bromoethyl)Benzyl}Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	< 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.