trimethoxy(2-phenylethyl)silane

Q: What are the molecular formula and molecular weight of trimethoxy(2-phenylethyl)silane?

C11H18O3Si, molecular weight 226.344 g/mol

三甲氧基(2-苯乙基)硅烷

Also known as: phenethyltrimethoxysilane, 2-phenylethyltrimethoxysilane, Trimethoxy(2-phenylethyl)silane [contains ca. 25% Trimethoxy(1-phenylethyl)silane], Trimethoxy(phenethyl)silane, Silane, trimethoxy(2-phenylethyl)-, Benzene, [2-(trimethoxysilyl)ethyl]-, Phenethyltrimethoxysilanemixed isomers, Trimethoxy(phenethyl)silane

CAS No.: 49539-88-0
Jingsj CID: J-40989-0
Molecular Formula: C₁₁H₁₈O₃Si
Chinese Name: 三甲氧基(2-苯乙基)硅烷
Molecular Weight: 226.344 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	<0ºC
Boiling Point	240.1±19.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	98.2±29.0 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of trimethoxy(2-phenylethyl)silane?

49539-88-0

What are the molecular formula and molecular weight of trimethoxy(2-phenylethyl)silane?

C11H18O3Si, molecular weight 226.344 g/mol

Is trimethoxy(2-phenylethyl)silane hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026