Description

Bis(3,5-Bis(trimethylsilyl)phenyl)chlorophosphine is a highly specialized organosilicon-phosphorus compound, recognized for its unique sterically hindered structure. This compound is a critical precursor and ligand in advanced organometallic chemistry and catalysis, valued for its ability to impart stability and selectivity in complex synthetic transformations. It is essential for researchers and manufacturers in the fields of pharmaceutical development, materials science, and fine chemical synthesis, particularly for creating novel catalysts and functional polymers.

Application

• Precursor for Bulky Phosphine Ligands: Serves as a key intermediate in the synthesis of sterically demanding phosphine ligands used in homogeneous catalysis, such as cross-coupling reactions.
• Catalyst Development: Employed in the research and production of specialized catalysts for organic synthesis, including hydrogenation and hydroformylation processes.
• Polymer Chemistry: Used as a monomer or functionalization agent in the synthesis of advanced polymeric materials with tailored properties.
• Pharmaceutical Intermediates: Acts as a building block in the multi-step synthesis of complex, high-value active pharmaceutical ingredients (APIs).
• Materials Science Research: Facilitates the development of novel organometallic frameworks and silicon-phosphorus hybrid materials.
• Fine Chemical Synthesis: Enables precise chemical modifications in the production of specialty and performance chemicals.

Basic Information

Product Name	Bis(3,5-Bis(trimethylsilyl)phenyl)chlorophosphine
CAS No.	159418-75-4
Molecular Formula	C24H42ClP1Si4
Molecular Weight	517.39 g/mol
Synonyms	Chlorobis[3,5-bis(trimethylsilyl)phenyl]phosphine; Bis[3,5-bis(trimethylsilyl)phenyl]chlorophosphane; Bis(3,5-bis(trimethylsilyl)phenyl)phosphinous chloride; Chlorobis(3,5-bis(trimethylsilyl)phenyl)phosphine; (3,5-Bis(trimethylsilyl)phenyl)chlorophosphine dimer (related); Sterically hindered chlorophosphine
EINECS	Contact for details

Quality Control

Our production of Bis(3,5-Bis(trimethylsilyl)phenyl)chlorophosphine adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and industrial applications. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, this material should be handled and stored under an inert atmosphere (argon or nitrogen) to prevent decomposition. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 0.5%

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