Trimethyl((3,4,5-trimethoxyphenyl)ethynyl)silane

三甲基((3,4,5-三甲氧基苯基)乙炔基)硅烷

Trimethyl((3,4,5-trimethoxyphenyl)ethynyl)silane (CAS 889134-70-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H20O3Si and a molecular weight of 264.39 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 889134-70-7
Jingsj CID: J-1584096-3
Molecular Formula: C₁₄H₂₀O₃Si
Chinese Name: 三甲基((3,4,5-三甲氧基苯基)乙炔基)硅烷
Molecular Weight: 264.39 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Trimethyl((3,4,5-trimethoxyphenyl)ethynyl)silane?

The CAS number of Trimethyl((3,4,5-trimethoxyphenyl)ethynyl)silane is 889134-70-7.

What are the molecular formula and molecular weight of Trimethyl((3,4,5-trimethoxyphenyl)ethynyl)silane?

Trimethyl((3,4,5-trimethoxyphenyl)ethynyl)silane has molecular formula C14H20O3Si and molecular weight 264.39 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Trimethyl((3,4,5-trimethoxyphenyl)ethynyl)silane (CAS 889134-70-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1584096-3 (accessed 2026-10-23).

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