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PHENYLTRIETHOXYSILANE
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PHENYLTRIETHOXYSILANE

CAS: 780-69-8

Ref. 3H-SIP6821.0

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Estimated delivery in United States, on Friday 21 Mar 2025

Product Information

Name:
PHENYLTRIETHOXYSILANE
Synonyms:
  • (Triethoxysilyl)benzene
  • Benzene, (triethoxysilyl)-
  • Benzeneorthosiliconic acid, triethyl ester
  • Dynasil 9265
  • Dynasylan 9265
  • Kbe 103
  • Kbm 202Ls4480
  • Kh 162
  • Kh 651
  • Ls 4480
  • See more synonyms
  • Ls 4800
  • Nsc 77115
  • P 0320
  • Phenyltriethoxysilane
  • Pts 32
  • Sip 6821.0
  • Tri(ethoxo)(phenyl)silane
  • Triethoxy(phenyl)silan
  • Triethoxy(phenyl)silane
  • Triethoxyphenylsilane
  • Trietoxi(Fenil)Silano
  • Tsl 8178
  • Silane, triethoxyphenyl-
Description:

Arylsilane Cross-Coupling Agent
The cross-coupling reaction is a highly useful methodology for the formation of carbon-carbon bonds. It involves two reagents, with one typically being a suitable organometallic reagent - the nucleophile - and the other a suitable organic substrate, normally an unsaturated halide, tosylate or similar - the electrophile.
Aromatic Silane - Conventional Surface Bonding
Aliphatic, fluorinated aliphatic or substituted aromatic hydrocarbon substituents are the hydrophobic entities which enable silanes to induce surface hydrophobicity. The organic substitution of the silane must be non-polar. The hydrophobic effect of the organic substitution can be related to the free energy of transfer of hydrocarbon molecules from an aqueous phase to a homogeneous hydrocarbon phase. A successful hydrophobic coating must eliminate or mitigate hydrogen bonding and shield polar surfaces from interaction with water by creating a non-polar interphase. Although silane and silicone derived coatings are in general the most hydrophobic, they maintain a high degree of permeability to water vapor. This allows coatings to breathe and reduce deterioration at the coating interface associated with entrapped water. Since ions are not transported through non-polar silane and silicone coatings, they offer protection to composite structures ranging from pigmented coatings to rebar reinforced concrete. A selection guide for hydrophobic silanes can be found on pages 22-31 of the Hydrophobicity, Hydrophilicity and Silane Surface Modification brochure.
Phenyltriethoxysilane; Triethoxysilylbenzene; Triethoxy(phenyl)silane
Viscosity, 25 °C: 1.7 cStDipole moment: 1.85 debyeSurface tension: 28 mN/mDielectric constant: 4.12Vapor pressure, 75 °C: 1 mmCoefficient of thermal expansion: 0.9 x 10-3Improves photoresist adhesion to silicon nitrideElectron donor component of polyolefin polymerization catalyst complexesEffective treatment for organic-grafted claysPhenylates allyl benzoatesCross-couples with aryl bromides without amine or phosphineligandsPhenylates allyl acetatesβ-phenylates enones under aqueous base conditionsExtensive review of silicon based cross-coupling agents: Denmark, S. E. et al. "Organic Reactions, Volume 75"Denmark, S. E. ed., John Wiley and Sons, 233, 2011

Notice:
Our products are intended for lab use only. For any other use, please contact us.
Brand:
Gelest
Long term storage:
Notes:

Chemical properties

Molecular weight:
240.37
Formula:
C12H20O3Si
Purity:
97%
Color/Form:
Straw Liquid
MDL:
Melting point:
Boiling point:
Flash point:
Density:
Concentration:
EINECS:
Merck:
HS code:

Hazard Info

UN Number:
EQ:
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