Tetrakis(2-methylpropyl) silicate

四异丁氧基硅烷

Also known as: Tetraisobutoxysilane, Silicic acid, tetrakis(2-methylpropyl) ester, tetrakis(2-methylpropyl) orthosilicate, tetra-2-methyl-1-propoxysilane

Tetrakis(2-methylpropyl) silicate (CAS 681-98-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H36O4Si and a molecular weight of 320.54000 g/mol. It is also known as Tetraisobutoxysilane, Silicic acid, tetrakis(2-methylpropyl) ester and tetrakis(2-methylpropyl) orthosilicate. Key properties include a melting point of 30-31ºC, a boiling point of 141ºC/1mmHg, a density of 1.02 and a flash point of 92.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
681-98-1
Jingsj CID
J-1990877-1
Molecular Formula
C16H36O4Si
Chinese Name
四异丁氧基硅烷
Molecular Weight
320.54000 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point30-31ºC
Boiling Point141ºC/1mmHg
Density1.02
Flash Point92.5ºC

Frequently Asked Questions

What is the CAS number of Tetrakis(2-methylpropyl) silicate?

The CAS number of Tetrakis(2-methylpropyl) silicate is 681-98-1.

What are the molecular formula and molecular weight of Tetrakis(2-methylpropyl) silicate?

Tetrakis(2-methylpropyl) silicate has molecular formula C16H36O4Si and molecular weight 320.54000 g/mol.

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

Last updated:

How to cite: Jingsj. "Tetrakis(2-methylpropyl) silicate (CAS 681-98-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990877-1 (accessed 2026-10-24).

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