3-Hexyne
3-Hexyne is the organic compound with the formula C2H5CCC2H5. This colorless liquid is one of three isomeric hexynes. 3-Hexyne forms with 5-decyne, 4-octyne, and 2-butyne a series of symmetric alkynes. It is a reagent in organometallic chemistry.[1]
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Structure of the coordination complex NbCl3(dimethoxyethane)(3-hexyne).[2]
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| Names | |
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| IUPAC name
Hex-3-yne | |
| Other names
Diethylacetylene | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.011.977  |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C6H10 | |
| Molar mass | 82.14 g/mol |
| Appearance | Colorless liquid |
| Density | 0.723 g/cm3 |
| Melting point | −105 °C (−157 °F; 168 K) |
| Boiling point | 81 to 82 °C (178 to 180 °F; 354 to 355 K) |
| low | |
| Hazards | |
| R-phrases (outdated) | R11 R36/37/38 R65 |
| S-phrases (outdated) | S16 S26 S36 S62 |
| Flash point | −14 °C (7 °F; 259 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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| Infobox references | |
References
- Maynard, R. B.; Borodinsky, L.; Grimes, R. N. (1984). 2,3-Diethyl-2,3-dicarba-nido -hexaborane(8). Inorganic Syntheses. 22. pp. 211–214. doi:10.1002/9780470132531.ch49. ISBN 9780470132531.
- Arteaga-Müller, Rocío; Tsurugi, Hayato; Saito, Teruhiko; Yanagawa, Masao; Oda, Seiji; Mashima, Kazushi (2009). "New Tantalum Ligand-Free Catalyst System for Highly Selective Trimerization of Ethylene Affording 1-Hexene: New Evidence of a Metallacycle Mechanism". Journal of the American Chemical Society. 131 (15): 5370–5371. doi:10.1021/ja8100837. PMID 20560633.
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