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PSS-Vinyl-Heptaisobutyl substituted

Also known as: 1-Vinyl-3,5,7,9,11,13,15-isobutylpentacyclo-[9.5.1.13,9.15,15.17,13]octasiloxane, MonovinylIsobutyl-POSS, VinylIsobutyl POSS, Monovinylheptaisobutylsilsesquioxane, Vinylheptaisobutyl-T8-silsesquioxane, Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1-ethenyl-3,5,7,9,11,13,15-heptakis(2-methylpropyl)-, MFCD03427224

PSS-Vinyl-Heptaisobutyl substituted (CAS 444315-18-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C30H66O12Si8 and a molecular weight of 843.52200 g/mol. Key property: a melting point of 213-219ºC(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
444315-18-8
Jingsj CID
J-44266-0
Molecular Formula
C30H66O12Si8
Molecular Weight
843.52200 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point213-219ºC(lit.)
Exact Mass842.27100
PSA110.76000
LogP8.08200

Frequently Asked Questions

What is the CAS number of PSS-Vinyl-Heptaisobutyl substituted?

The CAS number of PSS-Vinyl-Heptaisobutyl substituted is 444315-18-8.

What are the molecular formula and molecular weight of PSS-Vinyl-Heptaisobutyl substituted?

PSS-Vinyl-Heptaisobutyl substituted has molecular formula C30H66O12Si8 and molecular weight 843.52200 g/mol.

What are the upstream and downstream products of PSS-Vinyl-Heptaisobutyl substituted?

For PSS-Vinyl-Heptaisobutyl substituted, Upstream Products: Vinyltrimethoxysilane, 1,3,5,7,9,11,14-Heptaisobutyltricyclo[7.3.3.1(5,11)]heptasiloxane-endo-3,7,14-triol, Trichlorovinylsilane.

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

Last updated:

How to cite: Jingsj. "PSS-Vinyl-Heptaisobutyl substituted (CAS 444315-18-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44266-0 (accessed 2026-11-09).

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