Hexamethoxydisilane

Basic Information

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CAS Number

5851-07-0

Molecular Formula

C6H18O6Si2

Molecular Weight

242.38 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Boiling Point

98°C/20mmHg

Flash Point

36.7°C

Refractive Index

1.4070

SMILES

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CO[Si](OC)(OC)[Si](OC)(OC)OC

InChI

InChI=1S/C6H18O6Si2/c1-7-13(8-2,9-3)14(10-4,11-5)12-6/h1-6H3

InChIKey

LMQGXNPPTQOGDG-UHFFFAOYSA-N

LogP

-0.17900000000000005

Topological Polar Surface Area

55.38000000000001 Å²

Hydrogen Bond Donor/Acceptor

0 / 6

Complexity

124

Synonyms & References

English

Hexamethoxydisilane
trimethoxy(trimethoxysilyl)silane
AC1LCVN1
AG-G-07051
CTK1G8002
Dikieselsaeure(III)-hexamethylester
Disilane, hexamethoxy-
Hexamethoxy-disilan
Hexamethyl-disilicat(III)
Hexamethoxydisilan
1,1,1,2,2,2-Hexamethoxydisilane
Hexamethoxydisilane,tech 95%
1,1,1,2,2,2-Hexamethoxydisilane #

MDL Number

MFCD00271005

FAQ

What are the physical and chemical properties of Hexamethoxydisilane (CAS: 5851-07-0)?

Hexamethoxydisilane (CAS: 5851-07-0) is a colorless, viscous liquid at room temperature. It has a molecular weight of approximately 224.3 and a boiling point of around 125°C. The compound is poorly soluble in water but miscible with many organic solvents. It is highly reactive, particularly towards acids and bases, making it useful in chemical synthesis and surface modification applications.

How is Hexamethoxydisilane (CAS: 5851-07-0) typically synthesized?

Hexamethoxydisilane is typically synthesized through the reaction of chlorosilane derivatives with methanol, using a catalyst such as sodium methoxide. The process involves the substitution of chlorine groups with methoxy groups, leading to a high yield of the desired product. The reaction is selective and efficient, making it a common method in industrial synthesis.

What industries use Hexamethoxydisilane (CAS: 5851-07-0)?

Hexamethoxydisilane (CAS: 5851-07-0) finds applications in various industries, including pharmaceuticals, where it is used in the synthesis of organic compounds. It is also used in the production of polymers, where it enhances properties such as adhesion and flexibility. Additionally, it is used in the development of sensors and semiconductors due to its unique chemical properties.

What precautions should be taken when handling Hexamethoxydisilane (CAS: 5851-07-0)?

When handling hexamethoxydisilane (CAS: 5851-07-0), it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Ensure the work is conducted in a well-ventilated area or a fume hood. Spills should be handled using appropriate absorbent materials, and disposal should be done in accordance with local regulations. Refer to the safety data sheet (SDS) for detailed instructions on handling and storage.