5-((Trimethylsilyl)ethynyl)pyrimidine
5-((三甲基甲硅烷基)乙炔)嘧啶
Also known as: 5-(2-TMS-ethynyl)pyrimidine, 5-[(Trimethylsilyl)ethynyl]pyrimidine, 5-trimethylsilanylethynyl-pyrimidine, Pyrimidine, 5-[2-(trimethylsilyl)ethynyl]-, trimethyl(2-pyrimidin-5-ylethynyl)silane
5-((Trimethylsilyl)ethynyl)pyrimidine (CAS 216309-28-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H12N2Si and a molecular weight of 176.290 g/mol. It is also known as 5-(2-TMS-ethynyl)pyrimidine, 5-[(Trimethylsilyl)ethynyl]pyrimidine and 5-trimethylsilanylethynyl-pyrimidine. Key properties include a boiling point of 223.5±22.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 88.9±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 216309-28-3
- Jingsj CID
- J-1451743-5
- Molecular Formula
- C9H12N2Si
- Chinese Name
- 5-((三甲基甲硅烷基)乙炔)嘧啶
- Molecular Weight
- 176.290 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 223.5±22.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 88.9±22.3 °C |
Frequently Asked Questions
What is the CAS number of 5-((Trimethylsilyl)ethynyl)pyrimidine?
The CAS number of 5-((Trimethylsilyl)ethynyl)pyrimidine is 216309-28-3.
What are the molecular formula and molecular weight of 5-((Trimethylsilyl)ethynyl)pyrimidine?
5-((Trimethylsilyl)ethynyl)pyrimidine has molecular formula C9H12N2Si and molecular weight 176.290 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-((Trimethylsilyl)ethynyl)pyrimidine (CAS 216309-28-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1451743-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.