Description

[4-(Bromomethyl)Benzyl]Triphenylphosphonium Bromide is a high-purity, crystalline phosphonium salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a versatile Wittig reagent, enabling the efficient construction of carbon-carbon double bonds to form alkenes and other complex molecular frameworks. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries, where precise and reliable synthetic intermediates are required.

Application

• Wittig Olefination Reactions: A crucial reagent for the synthesis of alkenes from carbonyl compounds, enabling the production of fine chemicals and complex organic molecules.
• Pharmaceutical Intermediate Synthesis: Used in the construction of active pharmaceutical ingredients (APIs) and key chiral building blocks for drug discovery and development.
• Agrochemical Production: Employed in the synthesis of herbicides, fungicides, and plant growth regulators that require specific alkene functionalities.
• Liquid Crystal & OLED Material Research: Serves as a precursor in the synthesis of conjugated organic molecules for electronic and photonic applications.
• Polymer Chemistry: Utilized in the preparation of functional monomers and specialty polymers with tailored properties.
• Academic & Industrial R&D: A staple reagent in laboratory-scale research and process development for novel organic transformations.

Basic Information

Product Name	[4-(Bromomethyl)Benzyl]Triphenylphosphonium Bromide
CAS No.	14366-74-6
Molecular Formula	C26H23Br2P
Molecular Weight	526.24 g/mol
Synonyms	(4-Bromobenzyl)triphenylphosphonium Bromide; p-Bromobenzyltriphenylphosphonium Bromide; 4-Bromobenzyltriphenylphosphonium Bromide; (4-Bromomethylbenzyl)triphenylphosphonium Bromide; α,4-Dibromoxylene Triphenylphosphonium Salt; Wittig Reagent - p-Bromobenzyl; Phosphonium, (4-bromobenzyl)triphenyl-, bromide (1:1)
EINECS	Contact for details

Quality Control

Our [4-(Bromomethyl)Benzyl]Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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 product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and prevent decomposition.

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.