Tris(tert-pentoxy)silanol

三(叔-五氧代)硅烷醇

Also known as: hydroxy-tris(2-methylbutan-2-yloxy)silane, Tris(2-methyl-2-butanyl) hydrogen orthosilicate, Tris(1,1-dimethylpropyl) hydrogen orthosilicate, Tri-t-pentoxysilanol, Tris(tert-pentyloxy)silanol, Silicic acid (H4SiO4), tris(1,1-dimethylpropyl) ester, MFCD03427135

Tris(tert-pentoxy)silanol (CAS 17906-35-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C15H34O4Si and a molecular weight of 306.514 g/mol. It is also known as hydroxy-tris(2-methylbutan-2-yloxy)silane, Tris(2-methyl-2-butanyl) hydrogen orthosilicate and Tris(1,1-dimethylpropyl) hydrogen orthosilicate. Key properties include a boiling point of 315.7±25.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 144.7±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17906-35-3
Jingsj CID
J-26666-6
Molecular Formula
C15H34O4Si
Chinese Name
三(叔-五氧代)硅烷醇
Molecular Weight
306.514 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point315.7±25.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point144.7±23.2 °C

Frequently Asked Questions

What is the CAS number of Tris(tert-pentoxy)silanol?

The CAS number of Tris(tert-pentoxy)silanol is 17906-35-3.

What are the molecular formula and molecular weight of Tris(tert-pentoxy)silanol?

Tris(tert-pentoxy)silanol has molecular formula C15H34O4Si and molecular weight 306.514 g/mol.

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

Last updated:

How to cite: Jingsj. "Tris(tert-pentoxy)silanol (CAS 17906-35-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26666-6 (accessed 2026-10-23).

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