2-(Diphenylphosphino)ethyltriethoxysilane Description:

(Diphenylphosphino)ethyltriethoxysilane, also known by its chemical name diphenylphosphinoethyltriethoxysilane, is an organosilicon compound that incorporates both phosphine and silane functional groups. Its molecular structure consists of two phenyl groups attached to a phosphorus atom (PPh₂), connected via an ethyl linker to a silicon atom, which is further bonded to three ethoxy groups (—OCH₂CH₃). The chemical formula is typically represented as C₂H₅Si(OC₂H₅)₃P(C₆H₅)₂.

Chemical Structure:

Ph
\
P - Ethyl - Si(OCH₂CH₃)₃
/
Ph

2-(Diphenylphosphino)ethyltriethoxysilane Synonyms:

diphenyl(2-(triethoxysilyl)ethyl)phosphane, (Triethoxysilyl)ethyl diphenylphosphine , Diphenyl[2-(triethoxysilyl)ethyl]phosphine

2-(Diphenylphosphino)ethyltriethoxysilane Specification:

Appearance	Clear colorless to light yellow Liquid
Infrared spectrum	Conforms
Refractive index	1.5390 to 1.5410 (20°C, 589 nm)
GC	≥90 %

2-(Diphenylphosphino)ethyltriethoxysilane Chemical Properties

• Physical Properties:

  • Appearance: Typically a colorless to pale yellow liquid.
  • Boiling Point: Relatively low, indicative of its volatility.
  • Solubility: Soluble in organic solvents; reacts with water due to its ethoxy groups.
  
  


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  Chemical Properties:

  • Reactivity: Possesses both phosphine and silane functionalities, making it highly reactive. The ethoxy groups can undergo hydrolysis to form silanols, which can then condense to form siloxane bonds.
  • Coordination Ability: The diphenylphosphino group is an excellent ligand for transition metals, enabling the formation of stable metal-phosphine complexes.
  
  

2-(Diphenylphosphino)ethyltriethoxysilane Uses

• Suzuki reaction
• Ligand Synthesis in Catalysis
• Surface Modification
• Enhances the interfacial bonding between different phases in composite materials
• Intermediate in Chemical Reactions