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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| ChemSpider | |
| ECHA InfoCard | 100.009.991 |
PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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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 | |
| Occupational safety and health (OHS/OSH): | |
Main hazards
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Flammable Liquid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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
[edit]2-Pentyne can be synthesized by the rearrangement 1-pentyne in a solution of ethanolic potassium hydroxide or NaNH2/NH3.[1]
References
[edit]- ^ 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.
External links
[edit]
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