1. Tetraethylammonium is commonly used as a phase-transfer catalyst in organic synthesis.
四乙基铵常被用作有机合成中的相转移催化剂。

2. The solubility of tetraethylammonium salts can be enhanced by the addition of polar solvents.
通过添加极性溶剂可以增加四乙基铵盐的溶解度。