Trimethoxyphenylsilane

Synonym(s):(Trimethoxysilyl)benzene;Phenyltrimethoxysilane;Trimethoxyphenylsilane

CAS NO.：2996-92-1
Empirical Formula: C9H14O3Si
Molecular Weight: 198.29
MDL number: MFCD00025689
EINECS: 221-066-9
SAFETY DATA SHEET (SDS)
Update Date: 2026-06-19 07:28:27

What is Trimethoxyphenylsilane ?

Chemical properties

Colorless transparent liquid

The Uses of Trimethoxyphenylsilane

Phenyltrimethoxysilane is used for nanoelectronics and material science research. It is used as crosslinking agent for silicone resin and to produce polymer organic silicon compound.

The Uses of Trimethoxyphenylsilane

An organosilicate compound for nanoelectronics and material science research.

The Uses of Trimethoxyphenylsilane

TMPS can also be used in the preparation of polytrimethoxyphenylsilane (PTMS) that facilitates the removal of graphene after chemical vapor deposition (CVD). Molecularly imprinted sol gels can be synthesized by using TMPS for the fabrication of localized surface plasmon resonance (LSPR).

What are the applications of Application

Trimethoxyphenylsilane is an organosilicate compound for nanoelectronics and material science research

General Description

Trimethoxyphenylsilane (TMPS) is an organotrialkoxysilane that is used as a functional monomer in the sol-gel processing.

Flammability and Explosibility

Flammable

Purification Methods

Fractionate it through an efficient column but note that it forms an azeotrope with MeOH which is a likely impurity. [Kantor J Am Chem Soc 75 2712 1953 Beilstein 16 IV 1556.]

Advantages

The polymer molecule generated from phenyltrimethoxysilane contains a rigid hydrophobic group benzene ring and a water-permeable and breathable silica chain. It has surface activity and weather resistance and can be used as an additive in the coating industry, phenyl silica. Introducing chain links can significantly improve thermoelasticity, mechanical properties, and resin adhesion. Therefore, phenyl silicone resin is widely used as high-temperature-resistant electrical insulating paint, high-temperature-resistant coatings, and molding packaging materials.

Properties of Trimethoxyphenylsilane

Melting point:	-25°C
Boiling point:	233 °C(lit.)
Density	1.062 g/mL at 25 °C(lit.)
vapor pressure	0-12790Pa at 20-25℃
refractive index	n20/D 1.468(lit.)
Flash point:	99 °F
storage temp.	Inert atmosphere,2-8°C
form	liquid
Specific Gravity	1.064
color	colorless
Water Solubility	Reacts with water.
Sensitive	Moisture Sensitive
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
BRN	2937896
CAS DataBase Reference	2996-92-1(CAS DataBase Reference)
NIST Chemistry Reference	Silane, trimethoxyphenyl-(2996-92-1)
EPA Substance Registry System	Silane, trimethoxyphenyl- (2996-92-1)

Safety information for Trimethoxyphenylsilane

Signal word	Warning
Pictogram(s)	Flame Flammables GHS02 Exclamation Mark Irritant GHS07 Health Hazard GHS08
GHS Hazard Statements	H226:Flammable liquids H302:Acute toxicity,oral H373:Specific target organ toxicity, repeated exposure
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P314:Get medical advice/attention if you feel unwell. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.