2-Pentyne
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| Names | |
|---|---|
| IUPAC name
Pent-2-yne | |
| Other names
Ethylmethylacetylene, 1-Ethyl-2-methylacetylene | |
| Identifiers | |
627-21-4  | |
| ChemSpider | 11807  |
| |
| Jmol-3D images | Image Image |
| PubChem | 12310 |
| |
| Properties | |
| C5H8 | |
| Molar mass | 68.12 |
| Density | 0.71 g/mL |
| Melting point | −109 °C (−164 °F; 164 K) |
| Boiling point | 56 to 57 °C |
| Hazards | |
| Main hazards | Flammable Liquid |
| Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa) | |
| verify (what is: /?) | |
| Infobox references | |
2-Pentyne, an organic compound, is an internal alkyne. It is an isomer of 1-pentyne, a terminal alkyne.
1-Pentyne
Synthesis
2-Pentyne can be synthesized by the rearrangement 1-pentyne in a solution of ethanolic potassium hydroxide.[1]
References
- ↑ Victor von Richter and Hans Meerwein (1916). Organic Chemistry: Chemistry of the aliphatic series Vol. I: Smith's 3rd American Ed. Philadelphia: P. Blakiston's Sons & Co. p. 89.