1,3-Diethynyl-1,1,3,3-tetramethylpropanedisiloxane

1,3-Diethynyl-1,1,3,3-tetramethylpropanedisiloxane - Names and Identifiers

Name	Disiloxane, 1,3-diethynyl-1,1,3,3-tetramethyl-
Synonyms	Disiloxane, 1,3-diethynyl-1,1,3,3-tetramethyl- ethynyl-[ethynyl(dimethyl)silyl]oxy-dimethylsilane 1,3-Diethynyl-1,1,3,3-tetramethylpropanedisiloxane 1,1,3,3-Tetramethyl-1,3-diethynylpropanedisiloxane
CAS	4180-02-3

1,3-Diethynyl-1,1,3,3-tetramethylpropanedisiloxane - Physico-chemical Properties

Molecular Formula	C8H14OSi2
Molar Mass	182.37
Density	0.885±0.06 g/cm3(Predicted)
Boling Point	122-128°C
Flash Point	20°C (68°F)
Specific Gravity	0.842
Sensitive	4: no reaction with water under neutral conditions
Refractive Index	1.4104

1,3-Diethynyl-1,1,3,3-tetramethylpropanedisiloxane - Introduction

Disiloxane, 1,3-diethynyl-1,1,3,3-tetramethyl-is an organosilicon compound with the chemical formula C10H18Si2O. The following is a description of the nature, use, preparation and safety information of the substance:

Nature:
Disiloxane, 1,3-diethynyl-1,1,3, 3-tetraethyl-is a colorless liquid with a low boiling point and flash point. It has a low vapor pressure at room temperature, insoluble in water, but soluble in organic solvents such as ether, petroleum ether, etc.

Use:
Disiloxane, 1,3-diethynyl-1,1,3,3-tetramethyl-can be used as raw materials and intermediates in chemical synthesis. It can be used in the synthesis of coordination compounds in the field of organometallic chemistry, and can also be used in the reaction of synthesizing organosilicon compounds.

Preparation Method:
Disiloxane, 1,3-diethynyl-1,1,3,3-tetramethyl-can be obtained by reacting a silicon hydride compound with 1,3-diacetylene. Specifically, the synthesis method is generally obtained by reacting 1,3-butanediyne and 1,3-diacetylene tetrahydrosulfone with dimethylammonium hydrosilylation in the presence of a platinum or palladium catalyst.

Safety Information:
Disiloxane, 1,3-diethynyl-1,1,3,3-tetramethyl-is less toxic, but it still needs to be handled with caution. In use or storage should be kept well ventilated, avoid contact with strong oxidants and acids and other substances. At the same time, it is necessary to avoid inhalation, swallowing or skin contact. If you take it by mistake or other accidents, seek medical assistance immediately.

Last Update：2024-04-10 22:29:15