2-ethynylpyridine
2-乙炔基吡啶
Also known as: 2-ethynyl pyridine, 2-pyridylacetylene, 2-pyridinylacetylene, 1-(2-pyridinyl)ethyne, ethynylpyridine, MFCD00041598
- CAS No.
- 1945-84-2
- Jingsj CID
- J-1515107-0
- Molecular Formula
- C7H5N
- Chinese Name
- 2-乙炔基吡啶
- Molecular Weight
- 103.121 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 77-78ºC |
|---|---|
| Boiling Point | 170.5±13.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 57.5±12.4 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of 2-ethynylpyridine?
1945-84-2
What are the molecular formula and molecular weight of 2-ethynylpyridine?
C7H5N, molecular weight 103.121 g/mol
Is 2-ethynylpyridine hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026