四氰基乙烯

• 产品号: A13945
• CAS号: 670-54-2
• 分子式: C6N4
• 分子量: 128.091
• 纯 度: 98%

产品别名

• 标题: Tetracyanoethylene
• IUPAC标准名: eth-1-ene-1,1,2,2-tetracarbonitrile
• IUPAC传统名: tetracyanoethylene

产品登记号

• Beilstein号: 1679885
• 默克索引号: 149195
• EC号: 211-578-0
• MDL号: MFCD00001850
• CAS号: 670-54-2

产品性质

• 纯度: 98%
• 沸点: 223°C
• 密度: 1.348
• 熔点: 197-199°C
• GHS危险声明: H300-H310-H315-H319-H335
• 欧盟危险性物质标志: 剧毒(Highly toxic) (T+)
• GHS警示性声明: P261-P301+P310-P305+P351+P338-P361-P405-P501A
• 危险公开号: 24-28-36/37/38
• RTECS编号: KM7300000
• 安全公开号: 20-26-27/28-36/37-45
• 保存注意事项: Moisture Sensitive
• TSCA收录: 是
• 联合国危险货物等级: 6.1
• 联合国危险货物编号: UN3439
• 联合国危险货物包装类别(PG): II

参考文献

• Versatile reagent and reactive dienophile. Reviews: Miscellaneous chemistry: Chem. Rev., 67, 611 (1967); Synthesis, 249 (1986); Addition and cycloaddition reactions: Synthesis, 749 (1987); Organometallic chemistry: Synthesis, 959 (1987).
• π-Acid catalyst, compare DDQ (2,3-Dichloro-5,6-dicyanobenzoquinone, A11879) for the rearrangement of epoxides to ketones, formation of acetonides (1,3-dioxolanes) by reaction of epoxides with acetone: Chem. Lett., 17 (1993), formation of epoxides with hydrogen peroxide: Chem. Pharm. Bull., 43, 686 (1995), and for stereospecific alcoholysis of epoxides under mild conditions: Synlett, 847 (1993). In the presence of pyridine, carboxylic acids are converted to anhydrides: Tetrahedron Lett., 26, 1503 (1985). In an alcohol as solvent, catalyzes esterification and transesterification reactions: Chem. Lett., 55 (1997).
• Also catalyzes the carbon-carbon bond formation reactions of aldehydes, ketones and acetals with silylated nucleophiles including Trimethylsilyl cyanide, A19598, allyltrimethylsilane, silyl enol ethers and triethylsilane: J. Chem. Soc., Perkin 1, 2155 (1995).