Description

Triphenylethylphosphonium is a versatile organophosphorus compound, primarily utilized as a key reagent in organic synthesis. Its value lies in its role as a highly effective ylide precursor for Wittig olefination reactions, enabling the synthesis of alkenes with precise stereochemical control. This makes it an essential material for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity intermediates for complex molecule construction.

Application

• Wittig Reaction Reagent: A fundamental precursor for generating stabilized ylides to synthesize substituted alkenes, including α,β-unsaturated esters and other electron-deficient olefins.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates that require specific alkene geometries.
• Agrochemical Synthesis: Employed in creating key intermediates for pesticides, herbicides, and plant growth regulators.
• Ligand & Catalyst Preparation: Serves as a precursor for phosphonium-based ligands used in transition metal catalysis and ionic liquids.
• Material Science Research: Applied in the development of novel polymers, liquid crystals, and organic electronic materials.
• Academic & R&D Laboratories: A staple reagent for methodological development and synthetic organic chemistry research.

Basic Information

Product Name	Triphenylethylphosphonium
CAS No.	39895-79-9
Molecular Formula	C20H21P
Molecular Weight	292.35 g/mol
Synonyms	Ethyltriphenylphosphonium; Triphenylethylphosphane; (Ethyl)triphenylphosphonium; Phosphonium, ethyldiphenyl-; Ethyltriphenylphosphonium ion; Ethyltriphenylphosphonium cation; NSC 163082
EINECS	Contact for details

Quality Control

Our Triphenylethylphosphonium is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 should be handled under dry conditions to maintain stability and purity.

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%
Heavy Metals	< 20 ppm

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