4-((trimethylsilyl)ethynyl)pyridine
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. 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-1524639-6
- Molecular Formula
- C10H13NSi
- Molecular Weight
- 175.30200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 218.0±22.0 ºC (760 Torr) |
|---|---|
| Density | 0.95±0.1 g/cm3 |
| Flash Point | 85.6±22.3 ºC |
| Exact Mass | 175.08200 |
| PSA | 12.89000 |
| LogP | 2.31050 |
| Additional Property | Very slightly soluble (0.53 g/L) (25 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.
What are the upstream and downstream products of 4-((trimethylsilyl)ethynyl)pyridine?
For 4-((trimethylsilyl)ethynyl)pyridine, Upstream Products: 4-Bromopyridine hydrochloride, Trimethylsilylacetylene, 4-Iodopyridine; Downstream Products: 4-Ethynylpyridine, 4-(2-pyridin-4-ylethynyl)pyridine, 4-(2-pyridin-4-ylethynyl)benzaldehyde.
Data compiled from public chemical databases such as PubChem 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-1524639-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.