1,4-二乙炔基苯
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别名
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对二乙炔基苯
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识别
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CAS号
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935-14-8 Y
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PubChem
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120463
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ChemSpider
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107543
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SMILES
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InChI
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- 1S/C10H6/c1-3-9-5-7-10(4-2)8-6-9/h1-2,5-8H
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InChIKey
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MVLGANVFCMOJHR-UHFFFAOYSA-N
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性质
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化学式
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C10H6
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摩尔质量
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126.15 g·mol−1
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外观
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无色固体[1]
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密度
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1.202 g/cm3(预测)[2]
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熔点
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96.5 °C(205.7 °F;369.6 K)[1]
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结构[3]
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晶体结构
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单斜晶系
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空间群
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P21/c(No. 14)
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晶格常数
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a = 3.887(1) Å, b = 5.931(2) Å, c = 15.114(6) Å
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晶格常数
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α = 90°, β = 90.84(3)°, γ = 90°
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危险性[4]
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GHS危险性符号
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H-术语
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H317
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P-术语
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P261, P272, P280, P302+352, P333+313, P362+364
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相关物质
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相关化学品
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苯乙炔 1,4-二乙基苯 1,4-二乙烯基苯
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若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。
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1,4-二乙炔基苯是化学式为C10H6的炔烃,外观呈无色固体。
合成与反应
1,4-二乙烯基苯在氯仿里溴化后会产生1,4-二(1,2-二溴乙基)苯,后者与叔丁醇钾在叔丁醇里反应即可得到1,4-二乙炔基苯。[1]
1,4-二乙炔基苯的氢化反应会产生1,4-二乙烯基苯。[5]在氯化亚铜、氯化铵、氧气存在下,1,4-二乙炔基苯可发生缩合反应,生成低聚物。其外观为橙红色粉末,不溶于水和有机溶剂。[6]它还可与镍、钯形成配合物。[7]
应用研究
目前有研究将1,4-二乙炔基苯用作火箭燃料分散剂。[8]
参考资料
- ^ 1.0 1.1 1.2 Hay, Allan. Notes- Preparation of m- and p-Diethynylbenzenes. The Journal of Organic Chemistry. 1960, 25 (4): 637–638. ISSN 0022-3263. doi:10.1021/jo01074a603.
- ^ Weiss, Hans-Christoph; Bläser, Dieter; Boese, Roland; Doughan, Brandon M.; Haley, Michael M. C–H···π interactions in ethynylbenzenes: the crystal structures of ethynylbenzene and 1,3,5-triethynylbenzene, and a redetermination of the structure of 1,4-diethynylbenzene. Chemical Communications. 1997, (18): 1703–1704. doi:10.1039/a704070i.
- ^ Weiss, H.-C.; Blaser, D.; Boese, R.; Doughan, B.M.; Haley, M.M., CCDC 740314: Experimental Crystal Structure Determination, 1998, doi:10.5517/CCSVC32
- ^ 来源:Sigma-Aldrich Co., 1,4-Diethynylbenzene (2024-07-13查阅).
- ^ Wienhöfer, Gerrit; Westerhaus, Felix A.; Jagadeesh, Rajenahally V.; Junge, Kathrin; Junge, Henrik; Beller, Matthias. Selective iron-catalyzed transfer hydrogenation of terminal alkynes. Chemical Communications. 2012, 48 (40): 4827. ISSN 1359-7345. doi:10.1039/c2cc31091k.
- ^ Kotlyarevskii, I.L.; Fisher, L.B.; Dulov, A.A.; Slinkin, A.A.; Rubinshtein, A.M. The synthesis and some physical properties of poly-p-diethynylbenzene. Polymer Science U.S.S.R. 1963, 4 (1): 58–68. doi:10.1016/0032-3950(63)90544-6.
- ^ Ballester, L.; Cano, M.; Santos, A. New nickel(II), palladium(II) and palladium(0) derivatives of p-diethynylbenzene. Journal of Organometallic Chemistry. 1982, 229 (1): 101–107. doi:10.1016/S0022-328X(00)89121-4.
- ^ Yanovskii, L. S.; Lempert, D. B.; Raznoschikov, V. V.; Averkov, I. S.; Zyuzin, I. N.; Zholudev, A. F.; Kislov, M. B. Prospects for the use of diethynylbenzene as a fuel dispersant for rocket ramjet engines. Russian Chemical Bulletin. 2019, 68 (10): 1848–1855. ISSN 1066-5285. doi:10.1007/s11172-019-2634-9.
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