Octakis(dimethylsiloxy)-T8-silsequioxane
二甲基硅烷基笼形聚倍半硅氧烷
Also known as: 1,3,5,7,9,11,13,15-Octakis(dimethylsilyloxy)pentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane, Octakis(dimethylsilyloxy)octasilsesquioxane, PSS-Octakis(dimethylsilyloxy) substituted, Poly(hydridosilsesquioxane)-polymeric T8 with all silicons dimethylsiloxy substituted, MFCD01324108
Octakis(dimethylsiloxy)-T8-silsequioxane (CAS 125756-69-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H56O20Si16 and a molecular weight of 1017.97000 g/mol. It is also known as 1,3,5,7,9,11,13,15-Octakis(dimethylsilyloxy)pentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane, Octakis(dimethylsilyloxy)octasilsesquioxane and PSS-Octakis(dimethylsilyloxy) substituted. Key properties include a melting point of 250ºC (dec.), a boiling point of 470.2ºC at 760 mmHg and a flash point of 238.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 125756-69-6
- Jingsj CID
- J-40163-4
- Molecular Formula
- C16H56O20Si16
- Chinese Name
- 二甲基硅烷基笼形聚倍半硅氧烷
- Molecular Weight
- 1017.97000 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 250ºC (dec.) |
|---|---|
| Boiling Point | 470.2ºC at 760 mmHg |
| Flash Point | 238.2ºC |
Frequently Asked Questions
What is the CAS number of Octakis(dimethylsiloxy)-T8-silsequioxane?
The CAS number of Octakis(dimethylsiloxy)-T8-silsequioxane is 125756-69-6.
What are the molecular formula and molecular weight of Octakis(dimethylsiloxy)-T8-silsequioxane?
Octakis(dimethylsiloxy)-T8-silsequioxane has molecular formula C16H56O20Si16 and molecular weight 1017.97000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Octakis(dimethylsiloxy)-T8-silsequioxane (CAS 125756-69-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40163-4 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.