Description

(3-Chlorobenzyl)Triphenylphosphonium Chloride is a versatile and highly reactive organophosphorus compound, widely recognized 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 from carbonyl compounds. This makes it an indispensable tool for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries seeking to construct complex molecular frameworks with precise stereochemical control.

Application

• Wittig Olefination Reactions: As a pre-formed phosphonium salt for generating stabilized ylides to synthesize substituted alkenes, particularly useful for electron-deficient olefins.
• Pharmaceutical Intermediate Synthesis: A critical building block in the multi-step synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Production: Used in the manufacture of certain herbicides, fungicides, and plant growth regulators that require specific alkene functionalities.
• Ligand and Catalyst Preparation: Serves as a precursor for phosphine ligands used in transition metal catalysis, such as palladium-catalyzed cross-coupling reactions.
• Material Science Research: Employed in the synthesis of organic semiconductors, liquid crystals, and polymers with tailored optical or electronic properties.
• Fine Chemical and Flavor/Fragrance Synthesis: Facilitates the creation of specific unsaturated compounds that are key components in high-value fine chemicals.

Basic Information

Product Name	(3-Chlorobenzyl)Triphenylphosphonium Chloride
CAS No.	32597-92-5
Molecular Formula	C25H21Cl2P
Molecular Weight	423.31 g/mol
Synonyms	(3-Chlorobenzyl)triphenylphosphonium chloride; (m-Chlorobenzyl)triphenylphosphonium chloride; 3-Chlorobenzyltriphenylphosphonium chloride; Triphenyl(3-chlorobenzyl)phosphonium chloride; Phosphonium, (3-chlorobenzyl)triphenyl-, chloride; (3-Chlorophenylmethyl)triphenylphosphonium chloride
EINECS	Contact for details

Quality Control

Our (3-Chlorobenzyl)Triphenylphosphonium Chloride is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and titration methods, to ensure high chemical purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for reliable, traceable, and high-quality material supply.

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 compound is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong oxidizing agents.

Specification

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