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1-Allyl-3,5,7,9,11,13,15-heptaisobutylpentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane

Also known as: PSS-Allyl-Heptaisobutyl substituted, AllylIsobutyl POSS, Isobutyl(allyl)-POSS, AC1NE8OG, 1-allyl-3,5,7,9,11,13,15-heptakis(2-methylpropyl)pentacyclo[9.5.1.1^{3,9}.1^{5,15}.1^{7,13}]octasiloxane

1-Allyl-3,5,7,9,11,13,15-heptaisobutylpentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane (CAS 351003-00-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C31H68O12Si8 and a molecular weight of 857.54800 g/mol. Key properties include a melting point of 231-236ºC(lit.), a boiling point of 526.9±43.0 °C(Predicted) and a density of 1.07±0.1 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
351003-00-4
Jingsj CID
J-992092-7
Molecular Formula
C31H68O12Si8
Molecular Weight
857.54800 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point231-236ºC(lit.)
Boiling Point526.9±43.0 °C(Predicted)
Density1.07±0.1 g/cm3(Predicted)
Exact Mass856.28600
PSA110.76000
LogP8.54280

Frequently Asked Questions

What is the CAS number of 1-Allyl-3,5,7,9,11,13,15-heptaisobutylpentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane?

The CAS number of 1-Allyl-3,5,7,9,11,13,15-heptaisobutylpentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane is 351003-00-4.

What are the molecular formula and molecular weight of 1-Allyl-3,5,7,9,11,13,15-heptaisobutylpentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane?

1-Allyl-3,5,7,9,11,13,15-heptaisobutylpentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane has molecular formula C31H68O12Si8 and molecular weight 857.54800 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Allyl-3,5,7,9,11,13,15-heptaisobutylpentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane (CAS 351003-00-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-992092-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.