Description

(4-Cyanobenzyl)(Triphenyl)Phosphonium Bromide is a versatile organophosphonium salt widely utilized as a key reagent in organic synthesis. Its primary value lies in its role as a stable ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes with high stereoselectivity. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity intermediates for complex molecule construction.

Application

• Wittig Olefination Reagent: A crucial precursor for generating stabilized ylides to synthesize α,β-unsaturated nitriles and other functionalized alkenes.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates containing vinyl or styryl groups.
• Agrochemical Synthesis: Employed in creating novel pesticides and herbicides with specific alkene-based architectures.
• Ligand and Catalyst Preparation: Serves as a starting material for synthesizing phosphine ligands used in transition metal catalysis.
• Material Science Research: Applied in the development of organic semiconductors, liquid crystals, and polymers with tailored electronic properties.
• Fine Chemical Production: Facilitates the manufacture of specialty chemicals, flavors, and fragrances requiring precise alkene installation.

Basic Information

Product Name	(4-Cyanobenzyl)(Triphenyl)Phosphonium Bromide
CAS No.	26104-68-7
Molecular Formula	C26H21BrNP
Molecular Weight	458.33 g/mol
Synonyms	4-Cyanobenzyltriphenylphosphonium Bromide; p-Cyanobenzyltriphenylphosphonium Bromide; (p-Cyanobenzyl)triphenylphosphonium Bromide; (4-Cyanophenylmethyl)triphenylphosphonium Bromide; Phosphonium, (4-cyanobenzyl)triphenyl-, bromide (1:1); Triphenyl(4-cyanobenzyl)phosphonium Bromide; NSC 334365
EINECS	Contact for details

Quality Control

Our (4-Cyanobenzyl)(Triphenyl)Phosphonium Bromide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and consistency. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory 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 should be handled under an inert atmosphere or in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	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.