2-Pentyne
Names | |
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IUPAC name
Pent-2-yne | |
Other names
Ethylmethylacetylene, 1-Ethyl-2-methylacetylene | |
Identifiers | |
627-21-4 | |
ChemSpider | 11807 |
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Jmol-3D images | Image Image |
PubChem | 12310 |
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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) | |
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Infobox references | |
2-Pentyne, an organic compound, is an internal alkyne. It is an isomer of 1-pentyne, a terminal alkyne.
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.