Chemistry:2-Pentyne
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| Names | |
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| Preferred IUPAC name
Pent-2-yne | |
| Other names
Ethylmethylacetylene, 1-Ethyl-2-methylacetylene propyl acetylene
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| Identifiers | |
3D model (JSmol)
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PubChem CID
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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 otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
 verify (what is   ?)
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| Infobox references | |
Tracking categories (test):
2-Pentyne, an organic compound with the formula CH3CH2C≡CCH3 and 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 or NaNH2/NH3.[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. https://books.google.com/books?id=UWlZAAAAYAAJ&q=dimethylacetylene+preparation&pg=PA89.
External links
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