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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Preferred IUPAC name
Hex-3-yne | |
Other names
Diethylacetylene
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.011.977 |
EC Number |
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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 | |
GHS labelling: | |
Danger | |
H225, H304, H315, H319, H335 | |
P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P301+P310, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P312, P321, P331, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P501 | |
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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References
edit- ^ Maynard, R. B.; Borodinsky, L.; Grimes, R. N. (1984). "2,3-diethyl-2,3-dicarba- nido -hexaborane(8)". Inorganic Syntheses. Vol. 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.