无水五氯化钽(V), Puratronic®

• 产品号: 43731
• CAS号: 7721-01-9
• 分子式: Cl5Ta
• 分子量: 358.2129
• 纯 度: 99.995% (metals basis)

产品别名

• 标题: Tantalum(V) chloride, anhydrous, Puratronic®
• IUPAC标准名: tantalum(5+) ion pentachloride
• IUPAC传统名: tantalum(5+) ion pentachloride
• 别名: Tantalum pentachloride

产品登记号

• EC号: 231-755-6
• 默克索引号: 149054
• MDL号: MFCD00011253
• CAS号: 7721-01-9

产品性质

• 纯度: 99.995% (metals basis)
• 外观: Powder, Ampouled under argon
• 沸点: 242°C
• 密度: 3.68
• 熔点: 216°C
• GHS危险声明: H311-H302-H332-H314-H318
• 欧盟危险性物质标志: X
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C)
• GHS警示性声明: P260-P303+P361+P353-P305+P351+P338-P361-P405-P501A
• 危险公开号: 20/21/22-34
• RTECS编号: WW5600000
• 安全公开号: 20-26-36/37/39-45-60
• 保存注意事项: Moisture Sensitive
• TSCA收录: 是
• 联合国危险货物等级: 8
• 联合国危险货物编号: UN3260
• 联合国危险货物包装类别(PG): III

参考文献

• In combination with silica, is a useful acid catalyst for, e.g. acetylation of alcohols: Tetrahedron Lett., 39, 3263 (1998), tetrahydropyranylation of alcohols and dithioacetalization of aldehydes: Tetrahedron, 53, 14997 (1997).
• In the presence of Zn metal, low-valent Ta complexes are formed with alkynes which react with carbonyl compounds to form (E)-allylic alcohols: J. Org. Chem., 55, 1707 (1990); 57, 321 (1992). Similarly, regioselective additions to alkenes can also be effected: J. Org. Chem., 59, 5852 (1994). With allylic alcohols, 1,4-dienes are formed: Chem. Lett., 315 (1995).