Triethoxyphenylsilane

CAS 780-69-8C6H5Si(OC2H5)3Chemical Synthesis

Triethoxyphenylsilane (CAS 780-69-8), with the chemical formula C₆H₅Si(OC₂H₅)₃ and a molecular weight of 240.37 g/mol, is an organosilicon compound. This liquid reagent is primarily utilised in chemical synthesis, particularly as a silicon-based nucleophile in palladium-catalyzed cross-coupling reactions. Its applications extend to materials science and micro/nanoelectronics, serving as a precursor in various advanced material developments.

IUPAC: Phenyltriethoxysilane

Email us

Triethoxyphenylsilane (C6H5Si(OC2H5)3) — chemical structure, CAS 780-69-8; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisMaterials ScienceMicro/NanoElectronicsNanomaterialsOrganometallic ReagentsOrganosiliconRSi(OR″)3Self-Assembly MaterialsSilanesTrialkoxysilanes More...

01 /Applications

Chemical Synthesis Reagent

Triethoxyphenylsilane functions as a silicon-based nucleophile, demonstrating reactivity in palladium-catalyzed cross-coupling reactions. This makes it a valuable intermediate for the synthesis of complex organic molecules.

Materials Science Precursor

This organosilicon compound serves as a precursor in materials science, contributing to the development of novel materials with specific properties. Its structure is amenable to incorporation into various material matrices.

Micro/Nanoelectronics Applications

The compound finds utility in micro/nanoelectronics, potentially as a component in thin film deposition or as a building block for advanced electronic materials due to its silicon content and organic functionality.

POSS Nanohybrid Synthesis

As a trialkoxysilane, it can act as a precursor for polyhedral oligomeric silsesquioxanes (POSS) nanohybrids, enabling the creation of materials with unique nanoscale architectures and properties.

02 /Properties

Molecular weight	240.37
Linear formula	C6H5Si(OC2H5)3
Assay	98%
Form	liquid
Boiling point	112-113 °C/10 mmHg(lit.)
Density	0.996 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.461(lit.)
Vapour density	>1 (vs air)
Application	A silicon-based nucleophile shown to be reactive in Pd-catalyzed cross-coupling reactions.1

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H226Flammable liquid and vapour
H319Causes serious eye irritation

Precautionary statements

P305IF IN EYES

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	42 °C / 107.6 °F
Transport (UN / ADR)	UN 1993C 3 / PGIII
Water hazard class (WGK, DE)	3
Risk statements (R)	10

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

780-69-8

MDL number

MFCD00009065

PubChem substance

24850515

Beilstein registry

2940602

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Triethoxyphenylsilane used for?

Triethoxyphenylsilane is used as a silicon-based nucleophile in palladium-catalyzed cross-coupling reactions, and as a precursor in materials science, micro/nanoelectronics, and the synthesis of POSS nanohybrids.

What is the CAS number and chemical formula for Triethoxyphenylsilane?

The CAS number is 780-69-8 and the chemical formula is C₆H₅Si(OC₂H₅)₃.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Triethoxyphenylsilane with an assay of 98%. We do not represent this product as USP, BP, or EP grade.

What are the safety considerations for handling Triethoxyphenylsilane?

Triethoxyphenylsilane is classified as a Warning substance (GHS02, GHS07) with hazards H226 (flammable liquid and vapour) and H319 (causes serious eye irritation). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, should be used. It is important to handle this chemical in a well-ventilated area, away from ignition sources.

How is Triethoxyphenylsilane packed and shipped?

Triethoxyphenylsilane is packed as a liquid and shipped in compliance with relevant regulations for flammable and hazardous materials, designated as UN 1993, Class 3, Packing Group III.

How can I request a sample or quote for Triethoxyphenylsilane?

To request a sample or quote, please contact the Tech Serve Solutions sales team via the website or direct contact details, specifying the product name and CAS number.