1-ethenyl-1,1,3,3,3-pentamethyldisiloxane
乙烯基五甲基二硅氧烷
Also known as: Vinylpentamethyldisiloxane, Pentamethylvinyldisiloxane, Vinyldimethyl(trimethylsiloxy)silane, Dimethyl(trimethylsilyloxy)vinylsilane, Ethenyl-dimethyl-trimethylsilyloxysilane, 1-vinyl-1,1,3,3,3-pentamethyldisiloxane, Disiloxane, 1-ethenyl-1,1,3,3,3-pentamethyl-, Disiloxane, pentamethylvinyl-, Pentamethyl-vinyl-disiloxan, vinyldimethyisiloxytrimethylsilane
- CAS No.
- 1438-79-5
- Jingsj CID
- J-1523844-7
- Molecular Formula
- C7H18OSi2
- Chinese Name
- 乙烯基五甲基二硅氧烷
- Molecular Weight
- 174.388 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | <0ºC |
|---|---|
| Boiling Point | 105.4±9.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 11.4±19.1 °C |
Frequently Asked Questions
What is the CAS number of 1-ethenyl-1,1,3,3,3-pentamethyldisiloxane?
1438-79-5
What are the molecular formula and molecular weight of 1-ethenyl-1,1,3,3,3-pentamethyldisiloxane?
C7H18OSi2, molecular weight 174.388 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026