Vinyl terminated polydimethyl siloxane
乙烯基封端二甲基聚硅氧烷
Also known as: Vinyl terminated polydimethylsiloxane, Polydimethylsiloxane, vinyl endblocked, Siloxanes and Silicones, di-Me, vinyl group-terminated, PS441, PS442, PS448, GE3175, Dow Corning 6646, Dow Corning 3-4939, MFCD00197935, dowcorning6646, dowcorning3-4939
Vinyl terminated polydimethyl siloxane (CAS 68083-19-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H18OSi2 and a molecular weight of 186.39900 g/mol. It is also known as Vinyl terminated polydimethylsiloxane, Polydimethylsiloxane, vinyl endblocked and Siloxanes and Silicones, di-Me, vinyl group-terminated. Key properties include a melting point of >-60ºC, a boiling point of >93ºC(lit.), a density of 0.965 g/mL at 25ºC(lit.) and a flash point of >93ºC(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 68083-19-2
- Jingsj CID
- J-8157-1
- Molecular Formula
- C8H18OSi2
- Chinese Name
- 乙烯基封端二甲基聚硅氧烷
- Molecular Weight
- 186.39900 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >-60ºC |
|---|---|
| Boiling Point | >93ºC(lit.) |
| Density | 0.965 g/mL at 25ºC(lit.) |
| Flash Point | >93ºC(lit.) |
Frequently Asked Questions
What is the CAS number of Vinyl terminated polydimethyl siloxane?
The CAS number of Vinyl terminated polydimethyl siloxane is 68083-19-2.
What are the molecular formula and molecular weight of Vinyl terminated polydimethyl siloxane?
Vinyl terminated polydimethyl siloxane has molecular formula C8H18OSi2 and molecular weight 186.39900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Vinyl terminated polydimethyl siloxane (CAS 68083-19-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8157-1 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.