2-(Trimethylsilylethynyl)pyridine
Also known as: 2-[(Trimethylsilyl)ethynyl]pyridine, trimethyl(2-pyridin-2-ylethynyl)silane, 2-(Trimethylsilyethynyl)pyridine, 2-(Trimethlysilyl-ethynyl)pyridine, Pyridine, 2-[2-(trimethylsilyl)ethynyl]-, Pyridine,2-[(trimethylsilyl)ethynyl]-(9CI)
2-(Trimethylsilylethynyl)pyridine (CAS 86521-05-3) 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 175.302 g/mol. Key properties include a melting point of 42ºC, a boiling point of 218.0±22.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 85.6±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 86521-05-3
- Jingsj CID
- J-1526436-5
- Molecular Formula
- C10H13NSi
- Molecular Weight
- 175.302 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 42ºC |
|---|---|
| Boiling Point | 218.0±22.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 85.6±22.3 °C |
| Exact Mass | 175.081726 |
| PSA | 12.89000 |
| LogP | 2.96 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.503 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-(Trimethylsilylethynyl)pyridine?
The CAS number of 2-(Trimethylsilylethynyl)pyridine is 86521-05-3.
What are the molecular formula and molecular weight of 2-(Trimethylsilylethynyl)pyridine?
2-(Trimethylsilylethynyl)pyridine has molecular formula C10H13NSi and molecular weight 175.302 g/mol.
What are the upstream and downstream products of 2-(Trimethylsilylethynyl)pyridine?
For 2-(Trimethylsilylethynyl)pyridine, Upstream Products: 2-Bromopyridine, Trimethylsilylacetylene, 2-Chloropyridine; Downstream Products: 2-ethynylpyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(Trimethylsilylethynyl)pyridine (CAS 86521-05-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526436-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.