Description

(4-Cyanobenzyl)Triphenylphosphonium Chloride is a versatile organophosphorus salt widely used 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 formation of carbon-carbon double bonds to synthesize alkenes and other complex molecules. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries who require high-purity intermediates for the development of active ingredients and functional polymers.

Application

• Wittig Olefination Reagent: A crucial precursor for generating stabilized ylides to synthesize α,β-unsaturated nitriles and other alkene derivatives.
• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules, particularly those containing styryl or cyanostyryl motifs.
• Agrochemical Synthesis: Employed in creating bioactive compounds for crop protection agents.
• Liquid Crystal & OLED Material Production: Serves as a building block for constructing conjugated organic molecules used in electronic displays.
• Polymer Chemistry: Facilitates the incorporation of cyano-functionalized side chains into polymers for specialized material properties.
• Academic & Process R&D: A valuable tool for methodological development and scale-up studies in synthetic organic chemistry.

Basic Information

Product Name	(4-Cyanobenzyl)Triphenylphosphonium Chloride
CAS No.	20430-33-5
Molecular Formula	C26H21ClNP
Molecular Weight	413.87 g/mol
Synonyms	p-Cyanobenzyltriphenylphosphonium Chloride; 4-Cyanobenzyltriphenylphosphonium Chloride; (4-Cyanophenylmethyl)triphenylphosphonium Chloride; [(4-Cyanophenyl)methyl]triphenylphosphonium Chloride; (p-Cyanobenzyl)triphenylphosphonium Chloride; Phosphonium, (4-cyanobenzyl)triphenyl-, chloride; Triphenyl(4-cyanobenzyl)phosphonium Chloride
EINECS	Contact for details

Quality Control

Our (4-Cyanobenzyl)Triphenylphosphonium Chloride is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation.

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 an inert atmosphere or in a desiccator 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%

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