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11-Bromoundecyltrimethoxysilane

Also known as: (11-Bromoundecyl)(trimethoxy)silane, 11-bromoundecyl(trimethoxy)silane, Silane, (11-bromoundecyl)trimethoxy-, 1-Bromo-11-(trimethoxysilyl)undecane, 11-(Trimethoxysilyl)undecyl bromide

11-Bromoundecyltrimethoxysilane (CAS 17947-99-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H31BrO3Si and a molecular weight of 355.384 g/mol. Key properties include a boiling point of 341.0±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 160.0±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17947-99-8
Jingsj CID
J-980176-7
Molecular Formula
C14H31BrO3Si
Molecular Weight
355.384 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point341.0±15.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point160.0±20.4 °C
Exact Mass354.122589
PSA27.69000
LogP5.31
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.453

Frequently Asked Questions

What is the CAS number of 11-Bromoundecyltrimethoxysilane?

The CAS number of 11-Bromoundecyltrimethoxysilane is 17947-99-8.

What are the molecular formula and molecular weight of 11-Bromoundecyltrimethoxysilane?

11-Bromoundecyltrimethoxysilane has molecular formula C14H31BrO3Si and molecular weight 355.384 g/mol.

What are the upstream and downstream products of 11-Bromoundecyltrimethoxysilane?

For 11-Bromoundecyltrimethoxysilane, Upstream Products: Trimethoxysilane, 11-Bromo-1-undecene; Downstream Products: 11-Mercaptoundecyltrimethoxysilane.

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

Last updated:

How to cite: Jingsj. "11-Bromoundecyltrimethoxysilane (CAS 17947-99-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-980176-7 (accessed 2026-11-09).

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