sodium diacetate

例句：

1. 1. This compound is used as a preservative in food packaging.
   这种化合物用作食品包装的防腐剂。
2. 2.The chemical properties of this compound are similar to those of sodium acetate.
   这种化合物的化学性质与乙酸钠相似。
3. 3.Sodium diacetate is commonly used in the production of plastics and other polymers.
   乙酸钠常用于生产塑料和其他聚合物。