81294-10-2

• 常用中文名：2-乙炔基-5-甲基噻吩
• 常用英文名：2-ethynyl-5-methylthiophene
• CAS号：81294-10-2
• 分子式：C₇H₆S
• 分子量：122.188
• 发布时间：2018-03-26 08:00:00
• 更新时间：2025-09-24 18:14:18

名称

• 中文名: 2-乙炔基-5-甲基噻吩
• 英文名: 2-ethynyl-5-methylthiophene
• 英文别名: 5-methyl-thien-2-ylacetylene; 5-methyl-2-thienylacetylene; Thiophene, 2-ethynyl-5-methyl-; Thiophene,2-ethynyl-5-methyl; 2-Ethynyl-5-methylthiophene; 2-ethynyl-5-methyl-thiophene

物化性质

• 密度: 1.1±0.1 g/cm3
• 沸点: 181.5±28.0 °C at 760 mmHg
• 分子式: C₇H₆S
• 分子量: 122.188
• 闪点: 43.3±10.2 °C
• 精确质量: 122.019020
• PSA: 28.24000
• LogP: 2.54
• 蒸汽压: 1.2±0.3 mmHg at 25°C
• 折射率: 1.558
• 储存条件: -20°C， 避光干燥

合成路线

81294-08-8 ~90% 81294-10-2

文献：Pilzak, Gregor S.; Van Gruijthuijsen, Kitty; Van Doom, Reindert H.; Van Lagen, Barend; Sudhoelter, Ernst J. R.; Zuilhof, Han Chemistry - A European Journal, 2009 , vol. 15, # 36 p. 9085 - 9096

16494-36-3 4301-14-8 ~77% 81294-10-2

文献：Negishi, Ei-Ichi; Xu, Caiding; Tan, Ze; Kotora, Martin Heterocycles, 1997 , vol. 46, # 1 p. 209 - 214

119514-26-0 ~75% 81294-10-2

文献：Rossi, Renzo; Carpita, Adriano; Messeri, Tommaso Gazzetta Chimica Italiana, 1992 , vol. 122, # 1 p. 65 - 72

13679-70-4 ~% 81294-10-2

文献：Beny, Jean-Pierre; Dhawan, Som N.; Kagan, Jacques; Sundlass, Satinder Journal of Organic Chemistry, 1982 , vol. 47, # 11 p. 2201 - 2204

16494-36-3 ~% 81294-10-2

文献：Rossi, Renzo; Carpita, Adriano; Messeri, Tommaso Gazzetta Chimica Italiana, 1992 , vol. 122, # 1 p. 65 - 72

上下游产品

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81294-08-8 16494-36-3 4301-14-8 13679-70-4
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