四苯硼钾

四苯硼钾是一种无色晶体，化学式为KB(C6H5)4)，难溶于水（溶解度只有1.8×10−4 g/L），可溶于有机溶剂。其水中的难溶性被用于钾离子的检验：

 K+  +  NaB(Ph)4   →   KB(Ph)4  +  Na+

它具有多聚结构，被视作是有机钾化合物。Ulrich Behrens, Frank Hoffmann, and Falk Olbrich "Solid-State Structures of Base-Free Lithium and Sodium Tetraphenylborates at Room and Low Temperature: Comparison with the Higher Homologues MB(C6H5)4 (M = K, Rb, Cs)" Organometallics 2012, volume 31, p. 905−913. 

参考文献

 拓展链接 
 Potassium tetraphenylborate Jmol Page

Category:钾化合物
Category:四苯基硼酸盐