Description

(Cyanomethyl)Triphenylphosphonium Chloride is a versatile organophosphorus reagent widely used in organic synthesis. Its primary value lies in its role as a key precursor for the generation of phosphorus ylides, enabling critical carbon-carbon bond-forming reactions. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors, where it facilitates the synthesis of complex molecules and novel chemical entities.

Application

• Wittig Reaction Reagent: Serves as a crucial precursor for generating cyanomethylenetriphenylphosphorane, a ylide used in the synthesis of alkenes with nitrile functionality.
• Pharmaceutical Intermediates: Employed in the construction of key scaffolds and active pharmaceutical ingredients (APIs), particularly those containing α,β-unsaturated nitriles.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that require specific alkene building blocks.
• Material Science: Facilitates the synthesis of specialty monomers and polymers with tailored properties for electronic or coating applications.
• Fine Chemical Production: Applied in the multistep synthesis of complex fragrance compounds, dyes, and other high-value specialty chemicals.
• Academic & R&D: A valuable tool for methodological development and exploring new reaction pathways in synthetic organic chemistry laboratories.

Basic Information

Product Name	(Cyanomethyl)Triphenylphosphonium Chloride
CAS No.	4336-70-3
Molecular Formula	C20H17ClNP
Molecular Weight	337.78 g/mol
Synonyms	Triphenyl(cyanomethyl)phosphonium chloride; Cyanomethyltriphenylphosphonium chloride; (Cyanomethyl)triphenylphosphonium chloride; Phosphonium, (cyanomethyl)triphenyl-, chloride; NSC 163082; (Cyanomethylene)triphenylphosphorane hydrochloride precursor; Chlorure de (cyanométhyl)triphenylphosphonium (French); Cloruro de (cianometil)trifenilfosfonio (Spanish)
EINECS	Contact for details

Quality Control

Our (Cyanomethyl)Triphenylphosphonium Chloride is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure consistency and compliance with high-purity reagent standards. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials.

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.