OctaTMA POSS
四甲基铵基笼形聚倍半硅氧烷
Also known as: Oktakis(tetramethylammonium)-T8-silisesquioxane, Octakis(tetramethylammonium) pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane-1,3,5,7,9,11,13,15-octakis(yloxide) hydrate, Octakis(tetramethylammonium)octaprismosilsesquioxane, PSS hydrate-Octakis(tetramethylammonium) substituted, Octakis(tetramethylammonium)-T8-silisesquioxane hydrate, POSS-(O-NMe4)8
OctaTMA POSS (CAS 69667-29-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C32H96N8O20Si8 and a molecular weight of 1137.83000 g/mol. It is also known as Oktakis(tetramethylammonium)-T8-silisesquioxane, Octakis(tetramethylammonium) pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane-1,3,5,7,9,11,13,15-octakis(yloxide) hydrate and Octakis(tetramethylammonium)octaprismosilsesquioxane. Key property: a melting point of 135-143ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 69667-29-4
- Jingsj CID
- J-18448-5
- Molecular Formula
- C32H96N8O20Si8
- Chinese Name
- 四甲基铵基笼形聚倍半硅氧烷
- Molecular Weight
- 1137.83000 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 135-143ºC |
|---|
Frequently Asked Questions
What is the CAS number of OctaTMA POSS?
The CAS number of OctaTMA POSS is 69667-29-4.
What are the molecular formula and molecular weight of OctaTMA POSS?
OctaTMA POSS has molecular formula C32H96N8O20Si8 and molecular weight 1137.83000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "OctaTMA POSS (CAS 69667-29-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18448-5 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.