Description

(4-Chlorobenzyl)Triphenylphosphonium Chloride is a versatile and highly reactive organophosphorus compound, primarily valued as a key reagent in the Wittig reaction for the synthesis of alkenes. Its importance lies in its ability to facilitate the formation of carbon-carbon double bonds with high stereoselectivity, making it indispensable for constructing complex molecular frameworks. This chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require precise olefination steps in their synthetic pathways.

Application

• Wittig Olefination Reagent: A fundamental reagent for the stereoselective synthesis of alkenes, particularly useful for generating (E)- or (Z)-configured olefins in fine chemical synthesis.
• Pharmaceutical Intermediate: Employed in the production of active pharmaceutical ingredients (APIs) and complex drug candidates that require specific alkene functionalities.
• Agrochemical Synthesis: Used in the manufacture of pesticides, herbicides, and plant growth regulators where specific alkene structures are critical for biological activity.
• Ligand and Catalyst Precursor: Serves as a starting material for synthesizing phosphine ligands used in transition metal catalysis, such as cross-coupling reactions.
• Material Science Research: Applied in the development of novel organic materials, including liquid crystals and polymers with tailored properties.
• Academic and R&D Laboratories: A staple reagent in university and industrial research labs for methodological development and exploratory organic synthesis.

Basic Information

Product Name	(4-Chlorobenzyl)Triphenylphosphonium Chloride
CAS No.	1530-39-8
Molecular Formula	C25H21Cl2P
Molecular Weight	423.31 g/mol
Synonyms	p-Chlorobenzyltriphenylphosphonium Chloride; 4-Chlorobenzyltriphenylphosphonium Chloride; (p-Chlorobenzyl)triphenylphosphonium Chloride; 1-(Chloromethyl)-4-chlorobenzene Triphenylphosphonium Chloride; Phosphonium, (4-chlorobenzyl)triphenyl-, chloride; (4-Chlorophenyl)methyltriphenylphosphonium Chloride; Triphenyl(4-chlorobenzyl)phosphonium Chloride
EINECS	Contact for details

Quality Control

Our (4-Chlorobenzyl)Triphenylphosphonium Chloride is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and titration methods, to ensure high purity and consistent performance as a Wittig reagent. 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 area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed and under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	258 - 262 °C
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.