Simplest linear siloxane — two trimethylsilyl groups joined by a single oxygen, with no reactive functionality of its own. Used as a low-viscosity, chemically inert carrier fluid and as a raw material in silicone fluid and resin synthesis, and as a silylating agent for alcohols and carboxylic acids.
Product Code
O612
Hexamethyldisiloxane (HMDSO)
CAS Number
107-46-0
EINECS
203-492-7
Description
Synonyms
Key applications
- Carrier fluid for personal care formulations
- Silylating agent in organic synthesis
- Silicone fluid and resin chain-end building block
- Thin-film deposition precursor
Characteristics
| Family | Linear Siloxanes |
|---|---|
| Functionality | Non-reactive |
| Molecular formula | C6H18OSi2 |
| Molecular weight | 162.38 g/mol |
| Appearance | Colorless liquid |