1,2-Dimethoxy-1,1,2,2-Tetramethyldisilane

1,2-Dimethoxy-1,1,2,2-Tetramethyldisilane - Names and Identifiers

Name	1,2-Dimethoxy-1,1,2,2-Tetramethyldisilane
Synonyms	1,2-dimethoxytetramethyldisilane 1,2-Dimethoxy-1,1,2,2-Tetramethyldisilane 1,1,2,2-Tetramethyl-1,2-dimethoxydisilane Disilane, 1,2-dimethoxy-1,1,2,2-tetramethyl- methoxy-[methoxy(dimethyl)silyl]-dimethylsilane
CAS	10124-62-6
InChI	InChI=1/C6H18O2Si2/c1-7-9(3,4)10(5,6)8-2/h1-6H3

1,2-Dimethoxy-1,1,2,2-Tetramethyldisilane - Physico-chemical Properties

Molecular Formula	C6H18O2Si2
Molar Mass	178.38
Density	0.8587 g/mL at 25 °C
Boling Point	138-151 °C
Flash Point	27°C
Vapor Presure	8.529mmHg at 25°C
Specific Gravity	0.8683
Storage Condition	Room Temprature
Sensitive	Moisture Sensitive
Refractive Index	1.425
MDL	MFCD09038446
Physical and Chemical Properties	Sensitivity: moiure Sensitive

1,2-Dimethoxy-1,1,2,2-Tetramethyldisilane - Risk and Safety

Risk Codes	10 - Flammable
UN IDs	UN1993
WGK Germany	3
Hazard Class	3
Packing Group	III

1,2-Dimethoxy-1,1,2,2-Tetramethyldisilane - Introduction

1,2-Dimethoxy -1,1,2,2-tetramethyldisilane, also known as TMDSO, is an organosilicon compound. Its chemical formula is (CH3)2Si(OMe)2.

The following is some information about the properties, uses, preparation and safety of 1,2-dimethoxy -1,1,2,2-tetramethyldisilane:

Nature:
- TMDSO is a colorless liquid with low viscosity and volatility.
-It can be dissolved in a variety of common organic solvents, such as ethanol, ether and hydrocarbon solvents.
- TMDSO contains two methoxy groups and four methyl groups in the molecule, which gives it high chemical stability.

Use:
- TMDSO is often used as a precursor for organosilicon compounds and can be used to synthesize other organosilicon compounds.
-It is also widely used as an anti-reflective coating in the electronics industry to improve the efficiency of optoelectronic devices.
- TMDSO can also be used as a precursor for depositing thin films, for example, for preparing silicon oxide thin films.

Preparation Method:
-A common preparation method is to synthesize TMDSO through a reaction between dimethoxysilane and methylsilyl chloride through a monosilane reaction.

Safety Information:
- TMDSO has low toxicity, but it still needs to be used carefully. Breathing of vapors or fumes should be avoided.
-When using, pay attention to avoid contact with skin and eyes. If contact occurs, rinse immediately with plenty of water.
-When handling TMDSO, it should be operated in a well-ventilated place to avoid its vapor accumulation in the air.

Last Update：2024-04-10 22:29:15