pyrophosphodiamic acid

例句：

1. 1. This compound is used as a catalyst in the production of pyrophosphodiamic acid.
   这种化合物在生产焦磷酸二钠时用作催化剂。
2. 2. The chemical reaction between pyrophosphodiamic acid and water produces heat.
   焦磷酸二钠与水之间的化学反应产生热量。
3. 3. Pyrophosphodiamic acid is a key intermediate in the synthesis of many industrial chemicals.
   焦磷酸二钠是合成许多工业化学品的关键中间体。