Benzene, 1-bromo-2-[2-(trimethylsilyl)ethynyl]-

Benzene, 1-bromo-2-[2-(trimethylsilyl)ethynyl]- - Names and Identifiers

Name	(2-bromophenylethynyl)trimethylsilane
Synonyms	(2-bromophenylethynyl)trimethylsilane (2-BROMOPHENYLETHYNYL)TRIMETHYLSILANE 2-(2-bromophenyl)ethynyl-trimethylsilane Benzene, 1-bromo-2-[2-(trimethylsilyl)ethynyl]-
CAS	38274-16-7
InChI	InChI=1/C11H13BrSi/c1-13(2,3)9-8-10-6-4-5-7-11(10)12/h4-7H,1-3H3

Benzene, 1-bromo-2-[2-(trimethylsilyl)ethynyl]- - Physico-chemical Properties

Molecular Formula	C11H13BrSi
Molar Mass	253.21
Density	1.19 g/mL at 25 °C (lit.)
Boling Point	60-80 °C/2 mmHg (lit.)
Flash Point	>230°F
Water Solubility	Slightly soluble in water.
Vapor Presure	0.0273mmHg at 25°C
Storage Condition	2-8℃
Refractive Index	n20/D 1.554(lit.)

Benzene, 1-bromo-2-[2-(trimethylsilyl)ethynyl]- - Risk and Safety

WGK Germany

Benzene, 1-bromo-2-[2-(trimethylsilyl)ethynyl]- - Introduction

Nature:
-Molecular formula: C11H15BrSi
-Molecular weight: 249.23g/mol
-Appearance: colorless liquid
-Melting point:-26°C
-Boiling Point: 138-139°C
-Density: 1.081 g/mL

Use:
(2-bromophenylethynyl)trimethylsilane are commonly used as intermediates and reagents for the synthesis of organic compounds. It can be used as a catalyst and ligand in organic synthesis reactions, such as carbon-carbon bond formation reactions, such as Suzuki coupling reactions and Sonogashira coupling reactions. In addition, it can also be used as a component of an organic electronic material, such as an organic photovoltaic device, an organic light emitting diode, etc.

Preparation Method:
(2-bromophenylethynyl)trimethylsilane can be synthesized by the following steps:
1. Phenylacetylene is reacted with barium hydride to obtain a barium phenylethynyl compound.
2. The phenylethynyl barium compound is reacted with trimethylsilyl chloride to generate (2-bromophenylethynyl)trimethylsilane.

Safety Information:
- (2-bromophenylethynyl)trimethylsilane has low toxicity.
-Avoid inhalation, contact with skin and eyes.
-Use protective equipment such as chemical protective gloves, safety glasses and protective masks during operation.
-In case of skin contact or inhalation, wash immediately with plenty of water and seek medical treatment.
-Avoid contact with oxidants and strong acids during storage.
-Pay attention to a well-ventilated laboratory environment during operation.

Last Update：2024-04-10 22:29:15