3-(3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]octasiloxan-1-yl)propyl methacrylate
3-(3,5,7,9,11,13,15-七环戊基五环[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]八硅氧烷-1-基)丙基甲基丙烯酸酯
Also known as: Methacryloxypropylheptacyclopentyl-T8-silsesquioxane, Methacryloxypropylheptacyclopentyl-T8-silsequioxane, Poly(cyclopentylsilsesquioxane), methacryloxypropyl substituted (monomer), 2-Propenoic acid, 2-methyl-, 3-(3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]octasiloxan-1-yl)propyl ester, 1-[3-(Methacryloyloxy)propyl]-3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]octasiloxane, Methacryl-POSS 5831, Propyl-POSS methacrylate, PSS-(3-propyl methacrylate)-heptacyclopentyl
3-(3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]octasiloxan-1-yl)propyl methacrylate (CAS 169391-91-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C42H74O14Si8 and a molecular weight of 1027.713 g/mol. It is also known as Methacryloxypropylheptacyclopentyl-T8-silsesquioxane, Methacryloxypropylheptacyclopentyl-T8-silsequioxane and Poly(cyclopentylsilsesquioxane), methacryloxypropyl substituted (monomer). Key property: a density of 1.2±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 169391-91-7
- Jingsj CID
- J-51277-2
- Molecular Formula
- C42H74O14Si8
- Chinese Name
- 3-(3,5,7,9,11,13,15-七环戊基五环[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]八硅氧烷-1-基)丙基甲基丙烯酸酯
- Molecular Weight
- 1027.713 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.2±0.1 g/cm3 |
|---|
Frequently Asked Questions
What is the CAS number of 3-(3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]octasiloxan-1-yl)propyl methacrylate?
The CAS number of 3-(3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]octasiloxan-1-yl)propyl methacrylate is 169391-91-7.
What are the molecular formula and molecular weight of 3-(3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]octasiloxan-1-yl)propyl methacrylate?
3-(3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]octasiloxan-1-yl)propyl methacrylate has molecular formula C42H74O14Si8 and molecular weight 1027.713 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(3,5,7,9,11,13,15-heptacyclopentylpentacyclo[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]octasiloxan-1-yl)propyl methacrylate (CAS 169391-91-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-51277-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.