Description

Diphenylphosphinoethyldimethylethoxysilane is a specialized organosilicon compound featuring a phosphine ligand, making it a valuable precursor in advanced material science and catalysis. This bifunctional molecule is critical for creating tailored surfaces and ligands that enhance performance in high-value chemical processes. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel catalysts and functional materials.

Application

• Catalyst Ligand Synthesis: Serves as a key precursor for synthesizing sophisticated phosphine-based ligands used in cross-coupling reactions (e.g., Suzuki, Heck) and homogeneous catalysis.
• Surface Modification Agent: Used to functionalize silica, glass, or metal oxide surfaces, imparting specific catalytic or binding properties for chromatography or sensor applications.
• Polymer Additive & Modifier: Incorporated into polymer matrices to introduce phosphine functionalities, improving flame retardancy, adhesion, or catalytic activity within the material.
• Pharmaceutical Intermediate: Employed in the research and development of complex drug molecules where its unique structure facilitates specific synthetic transformations.
• Agrochemical Synthesis: Acts as a building block for creating advanced active ingredients and performance-enhancing additives in crop protection formulations.
• Material Science Research: A vital reagent for developing novel hybrid organic-inorganic materials (MOFs, COFs) and advanced coatings with customized properties.

Basic Information

Product Name	Diphenylphosphinoethyldimethylethoxysilane
CAS No.	359859-29-3
Molecular Formula	C18H25OPSi
Molecular Weight	316.46 g/mol
Synonyms	Dimethylethoxysilylethyldiphenylphosphine; (2-Diphenylphosphinoethyl)dimethylethoxysilane; Ethoxydimethyl(2-(diphenylphosphino)ethyl)silane; (Dimethylethoxysilyl)ethyldiphenylphosphine; Diphenyl(2-(dimethylethoxysilyl)ethyl)phosphine; (EtO)Me2Si(CH2)2PPh2; Phosphine ligand precursor silane
EINECS	Contact for details

Quality Control

Our Diphenylphosphinoethyldimethylethoxysilane is manufactured under strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including NMR, GC, and HPLC, to verify identity and assay. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and hydrolysis. Due to its hygroscopic and easily oxidized nature, the container should be allowed to reach room temperature before opening to prevent moisture ingress. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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