3-[2-(trimethylsilyl)ethynyl]pyridine-2-carboxamide
3-((三甲基硅基)乙炔基)吡啶-2-甲酰胺
Also known as: 3-((Trimethylsilyl)ethynyl)picolinamide, 3-Trimethylsilanylethynyl-pyridine-2-carboxylic acid amide, 3-(trimethylsilanylethynyl)pyridine-2-carboxamide, 2-Pyridinecarboxamide, 3-[2-(trimethylsilyl)ethynyl]-, 3-trimethylsilylethynyl-pyridine-2-carboxylic acid amide, 3-[(trimethylsilyl)ethynyl]pyridine-2-carboxamide
3-[2-(trimethylsilyl)ethynyl]pyridine-2-carboxamide (CAS 499193-54-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H14N2OSi and a molecular weight of 218.32700 g/mol. It is also known as 3-((Trimethylsilyl)ethynyl)picolinamide, 3-Trimethylsilanylethynyl-pyridine-2-carboxylic acid amide and 3-(trimethylsilanylethynyl)pyridine-2-carboxamide. Key properties include a boiling point of 324.3ºC at 760 mmHg, a density of 1.08g/cm3 and a flash point of 149.9ºC. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 499193-54-3
- Jingsj CID
- J-1499289-2
- Molecular Formula
- C11H14N2OSi
- Chinese Name
- 3-((三甲基硅基)乙炔基)吡啶-2-甲酰胺
- Molecular Weight
- 218.32700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 324.3ºC at 760 mmHg |
|---|---|
| Density | 1.08g/cm3 |
| Flash Point | 149.9ºC |
| Exact Mass | 218.08800 |
| PSA | 55.98000 |
| LogP | 2.10970 |
| Refractive Index | 1.537 |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
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 3-[2-(trimethylsilyl)ethynyl]pyridine-2-carboxamide?
The CAS number of 3-[2-(trimethylsilyl)ethynyl]pyridine-2-carboxamide is 499193-54-3.
What are the molecular formula and molecular weight of 3-[2-(trimethylsilyl)ethynyl]pyridine-2-carboxamide?
3-[2-(trimethylsilyl)ethynyl]pyridine-2-carboxamide has molecular formula C11H14N2OSi and molecular weight 218.32700 g/mol.
Is 3-[2-(trimethylsilyl)ethynyl]pyridine-2-carboxamide hazardous?
3-[2-(trimethylsilyl)ethynyl]pyridine-2-carboxamide has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-[2-(trimethylsilyl)ethynyl]pyridine-2-carboxamide (CAS 499193-54-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499289-2 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.