3989-14-8

3989-14-8 - Names and Identifiers

Name	[(4-methoxyphenyl)ethynyl](trimethyl)silane
Synonyms	(4-methoxyphenylethynyl)trimethylsilane 2-(4-methoxyphenyl)ethynyl-trimethylsilane [(4-methoxyphenyl)ethynyl](trimethyl)silane 1-Methoxy-4-[2-(trimethylsilyl)ethynyl]benzene Benzene, 1-methoxy-4-[2-(trimethylsilyl)ethynyl]-
CAS	3989-14-8
InChI	InChI=1/C12H16OSi/c1-13-12-7-5-11(6-8-12)9-10-14(2,3)4/h5-8H,1-4H3

3989-14-8 - Physico-chemical Properties

Molecular Formula	C12H16OSi
Molar Mass	204.34
Density	0.957 g/mL at 25 °C (lit.)
Boling Point	96 °C/1.5 mmHg (lit.)
Flash Point	202°F
Vapor Presure	0.0455mmHg at 25°C
Appearance	clear liquid
Color	Colorless to Light orange to Yellow
Maximum wavelength(λmax)	['305nm(2,2,4-trimethyl-pentane)(lit.)']
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	n20/D 1.5430(lit.)

3989-14-8 - Risk and Safety

WGK Germany

3989-14-8 - Introduction

Nature:
[(4-methoxyphenyl)ethynyl](trimethyl)silane is an organosilicon compound. Its chemical formula is C12H18OSi and its molecular weight is 214.36g/mol. It is a colorless liquid with a special fragrance. It is soluble in some organic solvents, such as dimethylformamide and toluene.

Use:
[(4-methoxyphenyl)ethynyl](trimethyl)silane is used as a reagent in organic synthesis. It can act as a ligand for metal-catalyzed reactions and participate in the formation of C- C and C- O bonds. It can also be used in reduction reactions, hydroxyl protection reactions, etc. in organic synthesis.

Preparation Method:
[(4-methoxyphenyl)ethynyl] There are many ways to prepare (trimethyl)silane, one of which is commonly used to react trimethylchlorosilane and (4-methoxyphenylethynyl) zinc reagent in a solvent.

Safety Information:
[(4-methoxyphenyl)ethynyl](trimethyl)silane is generally relatively safe under normal conditions of use, but the following matters still need to be paid attention:
1. Avoid contact with skin and eyes to avoid irritation.
2. avoid inhaling gas or smoke.
3. When in use, should be equipped with appropriate protective measures, such as chemical protective gloves and goggles.
4. storage should be sealed, avoid contact with oxygen, fire and strong oxidant.

Please read the product's Safety Data Sheet (MSDS) carefully before use and follow the operating instructions.

Last Update：2024-04-10 22:29:15