4-((trimethylsilyl)ethynyl)pyridine

4-[(三甲基硅基)乙炔基]吡啶

Also known as: trimethyl(2-pyridin-4-ylethynyl)silane, 4-(trimethylsilylethynyl)pyridine, 4-(trimethylsilanylethynyl)pyridine, 4-[2-(trimethylsilyl)ethynyl]pyridine, Pyridine, 4-[(trimethylsilyl)ethynyl]- (9CI), Pyridine, 4-[2-(trimethylsilyl)ethynyl]-, (4-Pyridinylethynyl)trimethylsilane

4-((trimethylsilyl)ethynyl)pyridine (CAS 133810-35-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H13NSi and a molecular weight of 175.30200 g/mol. It is also known as trimethyl(2-pyridin-4-ylethynyl)silane, 4-(trimethylsilylethynyl)pyridine and 4-(trimethylsilanylethynyl)pyridine. Key properties include a boiling point of 218.0±22.0 ºC (760 Torr), a density of 0.95±0.1 g/cm3 and a flash point of 85.6±22.3 ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
133810-35-2
Jingsj CID
J-1524639-0
Molecular Formula
C10H13NSi
Chinese Name
4-[(三甲基硅基)乙炔基]吡啶
Molecular Weight
175.30200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point218.0±22.0 ºC (760 Torr)
Density0.95±0.1 g/cm3
Flash Point85.6±22.3 ºC

Frequently Asked Questions

What is the CAS number of 4-((trimethylsilyl)ethynyl)pyridine?

The CAS number of 4-((trimethylsilyl)ethynyl)pyridine is 133810-35-2.

What are the molecular formula and molecular weight of 4-((trimethylsilyl)ethynyl)pyridine?

4-((trimethylsilyl)ethynyl)pyridine has molecular formula C10H13NSi and molecular weight 175.30200 g/mol.

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

Last updated:

How to cite: Jingsj. "4-((trimethylsilyl)ethynyl)pyridine (CAS 133810-35-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524639-0 (accessed 2026-10-22).

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