1. Used as an acid-base indicator and an indicator for determining the acid value of oil Phenolphthalein has a very interesting color-changing reaction. 酸性から中性に近い条件下で (pH0~8.2), フェノールフタレイン分子は解離せず、無色です. In the...
Dichloroacetyl chloride is an important intermediate in the production of insecticides and herbicides, また、補助剤と医薬品統合の分野でも広く使用されています. The main synthesis methods are dichloroacetate acyl chloride method and...