1,4-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE

1,4-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE - Names and Identifiers

Name	1,4-Bis[(trimethylsilyl)ethynyl]benzene
Synonyms	TIMTEC-BB SBB009009 1,4-Bis(trimethylsilyl)ethynylubenzene 1,4-Bis[(trimethylsilyl)ethynyl]benzene 1,4-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE 1,4-bis[2-(trimethylsilyl)ethynyl]Benzene (benzene-1,4-diyldiethyne-2,1-diyl)bis(trimethylsilane)
CAS	17938-13-5
EINECS	000-000-0
InChI	InChI=1/C16H22Si2/c1-17(2,3)13-11-15-7-9-16(10-8-15)12-14-18(4,5)6/h7-10H,1-6H3

1,4-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE - Physico-chemical Properties

Molecular Formula	C16H22Si2
Molar Mass	270.52
Density	0.92g/cm³
Melting Point	119 °C
Boling Point	292.1°C at 760 mmHg
Flash Point	112.2°C
Vapor Presure	0.00327mmHg at 25°C
BRN	2840618
Storage Condition	2-8°C
Sensitive	4: no reaction with water under neutral conditions
Refractive Index	1.505
MDL	MFCD00135433

1,4-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection
WGK Germany	3
HS Code	29319090

1,4-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE - Introduction

1,4-bis [(trimethylsilyl)ethynyl]benzene is an organic compound with the chemical formula C16H20Si2, which is obtained by replacing two hydrogen atoms on the benzene ring with trimethylsilylethynyl groups.

Nature:
1,4-bis [(trimethylsilyl)ethynyl]benzene is a colorless liquid with a peculiar odor.
It has a lower molecular weight and a lower boiling point, soluble in organic solvents such as ether, methylene chloride, etc.

Use:
1,4-bis [(trimethylsilyl)ethynyl]benzene is mainly used in the field of organic synthesis, as a catalyst, ligand and reaction intermediate.
It can be used to synthesize organic compounds containing organometallic ligands for catalyzing organic reactions, such as coupling reactions and cross-coupling reactions in organic synthesis.
In addition, it is also used in the synthesis of organic optoelectronic materials, such as organic batteries, organic photovoltaics and other fields.

Method:
The preparation method of 1,4-bis [(trimethylsilyl)ethynyl]benzene is relatively simple, and it is generally obtained by substitution reaction on the functional group on the benzene ring.
The commonly used method is to react benzene with a trimethylsilylethynyl compound, and a substitution reaction occurs under the action of a catalyst to obtain the desired product.

Safety Information:
1,4-bis [(trimethylsilyl)ethynyl]benzene is relatively stable under regular operation, but because it is an organic compound, it is still necessary to pay attention to safe operation.
Contact or inhalation may cause eye, skin and respiratory tract irritation.
During use, you should wear appropriate protective equipment to avoid inhalation and direct contact with skin and eyes. Operate in a well-ventilated area and avoid reactions with substances such as strong oxidants. Care should be taken to avoid ignition and high temperatures during handling and storage.
If necessary, refer to the relevant chemical safety manual or consult with the supplier for more detailed safety precautions.

Last Update：2024-04-10 22:29:15