1,3-Bis[(trimethylsilyl)ethynyl]benzene

1,3-Bis[(trimethylsilyl)ethynyl]benzene - Names and Identifiers

Name	1,3-Bis-[(trimethylsilyl)-ethynyl]-benzene
Synonyms	TIMTEC-BB SBB008996 1,3-BIS[(TRIMETHYLSILYL)ETHYNYL]BENZENE 1,3-Bis[(trimethylsilyl)ethynyl]benzene 1,3-bis(2-(trimethylsilyl)ethynyl)benzene 1,3-Bis-[(trimethylsilyl)-ethynyl]-benzene Benzene, 1,3-bis[2-(trimethylsilyl)ethynyl]- (benzene-1,3-diyldiethyne-2,1-diyl)bis(trimethylsilane)
CAS	38170-80-8
InChI	InChI=1/C16H22Si2/c1-17(2,3)12-10-15-8-7-9-16(14-15)11-13-18(4,5)6/h7-9,14H,1-6H3

1,3-Bis[(trimethylsilyl)ethynyl]benzene - Physico-chemical Properties

Molecular Formula	C16H22Si2
Molar Mass	270.52
Density	0.92±0.1 g/cm3(Predicted)
Melting Point	57 °C
Boling Point	304.9±38.0 °C(Predicted)
Flash Point	120.9°C
Solubility	soluble in Toluene
Vapor Presure	0.00154mmHg at 25°C
Appearance	powder to crystal
Color	White to Almost white
BRN	2845239
Storage Condition	Inert atmosphere,2-8°C
Sensitive	4: no reaction with water under neutral conditions
Refractive Index	1.505
MDL	MFCD00078305

1,3-Bis[(trimethylsilyl)ethynyl]benzene - Risk and Safety

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. S36 - Wear suitable protective clothing.
TSCA	No
HS Code	29319090

1,3-Bis[(trimethylsilyl)ethynyl]benzene - Introduction

1,3-Bis-[(trimethylsilyl)-ethynyl]-benzene is an organic compound with the chemical formula C16H20Si2. It is a colorless crystalline solid that resembles a white powder in appearance.

The following are common properties of 1,3-Bis-[(trimethylsilyl)-ethynyl]-benzene:

1. physical properties: density is about 1.03g/cm³, melting point is 103-107 ℃, boiling point is 330-335 ℃.
2. Chemical properties: It is a stable compound and is not easy to react. However, it is flammable at high temperatures and reacts with strong oxidants.

1,3-Bis-[(trimethylsilyl)-ethynyl]-benzene plays an important role in organic synthesis. It is commonly used in coupling reactions, complex preparation and material science research in organic synthesis. It is widely used as a crosslinking agent and catalyst in organic synthesis.

There are many methods for preparing 1,3-Bis-[(trimethylsilyl)-ethynyl]-benzene, which are usually obtained by reacting a suitable benzene compound with trimethylsilylacetylene. The synthesis method needs to be carried out in an inert atmosphere or under dry conditions.

Regarding safety information, 1,3-Bis-[(trimethylsilyl)-ethynyl]-benzene is less toxic and dangerous, but the following matters still need to be noted:

1. It may be irritating to the eyes and skin, and should be rinsed with plenty of water immediately after contact.
2. during the operation should avoid inhalation of its dust or solution, should be equipped with appropriate protective measures such as respirators and gloves.
3. It should be stored in a cool, dry place, away from fire and oxidant.

Although there is no clear toxicity report, when using and handling the compound, it is still necessary to pay attention to the correct operation method and personal protection. In any chemical operation, proper laboratory safety operation and appropriate protective measures are necessary.

Last Update：2024-04-10 22:29:15