Description

1-Phosphaethylene, 1-Chloro-2-Phenyl-2-(Trimethylsilyl)- is a highly reactive organophosphorus compound that serves as a versatile building block in advanced synthetic chemistry. Its unique structure, featuring both a reactive P=C bond and a silyl-protected moiety, makes it an invaluable precursor for constructing complex phosphorus-containing molecules. This specialty chemical is primarily sought by researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries for developing novel ligands, catalysts, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel phosphine ligands and organophosphorus active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of new-generation phosphorus-based herbicides, insecticides, and plant growth regulators.
• Catalyst & Ligand Development: Serves as a fundamental building block for creating tailored phosphine ligands used in homogeneous catalysis (e.g., cross-coupling reactions).
• Materials Science Research: Employed in the synthesis of phosphorus-doped polymers, flame retardants, and advanced functional materials.
• Organometallic Chemistry: Acts as a reagent for the preparation of metal-phosphorus complexes with unique electronic and steric properties.
• Chemical Vapor Deposition (CVD) Precursor: Potential use as a source for depositing phosphorus-containing thin films in semiconductor applications.

Basic Information

Product Name	1-Phosphaethylene, 1-Chloro-2-Phenyl-2-(Trimethylsilyl)-
CAS No.	74483-17-3
Molecular Formula	C11H16ClPSi
Molecular Weight	242.76 g/mol
Synonyms	1-Chloro-2-phenyl-2-(trimethylsilyl)-1-phosphaethylene; (Chloro-phenyl-trimethylsilyl-methylidene)phosphane; 1-Chloro-1-phospha-2-phenyl-2-(trimethylsilyl)ethylene; P-Chloro-P-phenyl-P-(trimethylsilyl)methylenephosphine; Chloro(phenyl)(trimethylsilyl)methylene phosphine; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of 1-Phosphaethylene, 1-Chloro-2-Phenyl-2-(Trimethylsilyl)- adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. All materials are characterized using advanced analytical techniques including NMR (1H, 13C, 31P), GC-MS, and HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at 2-8°C in a cool, dry, and well-ventilated place. Due to its moisture-sensitive and easily oxidized nature, containers must be kept sealed and allowed to reach room temperature before opening to prevent condensation and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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