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1,3,5,7,9,11,13,15-Octacyclopentylpentacyclo[9.5.1.13,9.15,15]octasiloxane-7,13-diol

1,3,5,7,9,11,13,15-八环戊基五环[9.5.1.13,9.15,15]八硅氧烷-7,13-二醇

Also known as: Octacyclopentyl-POSS diol, Octacyclopentylsilsesquioxane diol, Tetracyclo[7.3.3.15,11]octasiloxane-endo-3,7-diol (obsolete), Cyclopentyldisilanol (misleading), MFCD04040073

1,3,5,7,9,11,13,15-Octacyclopentylpentacyclo[9.5.1.13,9.15,15]octasiloxane-7,13-diol (CAS 352538-83-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C40H74O13Si8 and a molecular weight of 987.69200 g/mol. It is also known as Octacyclopentyl-POSS diol, Octacyclopentylsilsesquioxane diol and Tetracyclo[7.3.3.15,11]octasiloxane-endo-3,7-diol (obsolete). Key property: a melting point of 193-197ºC(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
352538-83-1
Jingsj CID
J-37783-8
Molecular Formula
C40H74O13Si8
Chinese Name
1,3,5,7,9,11,13,15-八环戊基五环[9.5.1.13,9.15,15]八硅氧烷-7,13-二醇
Molecular Weight
987.69200 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point193-197ºC(lit.)

Frequently Asked Questions

What is the CAS number of 1,3,5,7,9,11,13,15-Octacyclopentylpentacyclo[9.5.1.13,9.15,15]octasiloxane-7,13-diol?

The CAS number of 1,3,5,7,9,11,13,15-Octacyclopentylpentacyclo[9.5.1.13,9.15,15]octasiloxane-7,13-diol is 352538-83-1.

What are the molecular formula and molecular weight of 1,3,5,7,9,11,13,15-Octacyclopentylpentacyclo[9.5.1.13,9.15,15]octasiloxane-7,13-diol?

1,3,5,7,9,11,13,15-Octacyclopentylpentacyclo[9.5.1.13,9.15,15]octasiloxane-7,13-diol has molecular formula C40H74O13Si8 and molecular weight 987.69200 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,3,5,7,9,11,13,15-Octacyclopentylpentacyclo[9.5.1.13,9.15,15]octasiloxane-7,13-diol (CAS 352538-83-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37783-8 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.