Methoxytriethyleneoxypropyltrimethoxysilane

Also known as: 3,3-dimethoxy-2,7,10,13,16-pentaoxa-3-silaheptadecane, Methoxy(triethyleneoxy)propyltrimethoxysilane, Trimethoxy(2''-methoxy-[2,2':2',2''-teroxetan]-2-yl)silane, DK514

Methoxytriethyleneoxypropyltrimethoxysilane (CAS 132388-45-5) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C13H30O7Si and a molecular weight of 326.45900 g/mol. Key properties include a boiling point of 140ºC/0.2mmHg and a density of 1.163. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 132388-45-5
Jingsj CID: J-993920-2
Molecular Formula: C₁₃H₃₀O₇Si
Molecular Weight: 326.45900 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	140ºC/0.2mmHg
Density	1.163
Exact Mass	326.17600
PSA	64.61000
LogP	0.95080

Frequently Asked Questions

What is the CAS number of Methoxytriethyleneoxypropyltrimethoxysilane?

The CAS number of Methoxytriethyleneoxypropyltrimethoxysilane is 132388-45-5.

What are the molecular formula and molecular weight of Methoxytriethyleneoxypropyltrimethoxysilane?

Methoxytriethyleneoxypropyltrimethoxysilane has molecular formula C13H30O7Si and molecular weight 326.45900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Methoxytriethyleneoxypropyltrimethoxysilane (CAS 132388-45-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-993920-2 (accessed 2026-11-06).

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