Description

(2-Hydroxyethyl)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 phosphonium ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes from carbonyl compounds. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where precise olefination is required for building complex molecular architectures.

Application

• Wittig Olefination Reagent: A fundamental precursor for generating stabilized ylides to synthesize alkenes, including α,β-unsaturated esters and other functionalized olefins.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules requiring specific alkene geometries.
• Agrochemical Synthesis: Employed in creating key intermediates for herbicides, fungicides, and plant growth regulators.
• Material Science & Polymer Chemistry: Acts as a monomer or modifying agent in the development of specialty polymers and functional materials.
• Ligand & Catalyst Preparation: Serves as a starting material for synthesizing phosphine ligands used in homogeneous catalysis.
• Organic Synthesis & Research: A valuable tool in academic and industrial R&D laboratories for constructing carbon-carbon double bonds under mild conditions.

Basic Information

Product Name	(2-Hydroxyethyl)Triphenylphosphonium Chloride
CAS No.	23250-03-5
Molecular Formula	C20H20ClOP
Molecular Weight	342.80 g/mol
Synonyms	2-Hydroxyethyltriphenylphosphonium chloride; (2-Hydroxyethyl)triphenylphosphonium chloride; Ethanol, 2-(triphenylphosphonio)-, chloride; Triphenyl(2-hydroxyethyl)phosphonium chloride; NSC 402008; Phosphonium, (2-hydroxyethyl)triphenyl-, chloride; Hydroxyethyltriphenylphosphonium chloride
EINECS	245-515-5

Quality Control

Our (2-Hydroxyethyl)Triphenylphosphonium Chloride is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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