benzene dinitrile

例句：

1. 1.Benzene dinitrile is a key intermediate in the production of polycarbonates.
   苯二腈是生产聚碳酸酯的关键中间体。
2. 2. The compound was synthesized using a new method that significantly improved yield and purity.
   该化合物采用一种新的方法合成，显著提高了产率和纯度。
3. 3. Benzene dinitrile is used as a solvent for polymerization reactions due to its high boiling point and low volatility.
   由于其高沸点和低挥发性，苯二腈被用作聚合反应的溶剂。