stearic anhydride

例句：

1. 1. This compound is used in the production of plastics and rubber.
   这种化合物用于生产塑料和橡胶。
2. 2. The hardness of this material can be adjusted by adding different amounts of stearic anhydride.
   通过添加不同量的硬脂酸酐，可以调整这种材料的硬度。
3. 3. The use of stearic anhydride in cosmetics has been banned due to its potential to cause skin allergies.
   由于可能引起皮肤过敏，化妆品中使用硬脂酸酐已被禁止。