Penmethyldiethylenetriamine PC-5: Guardian of Stability In the world of chemistry, some molecules are like natural explorers, who can maintain their true colors no matter how harsh the environment is. Pentamethyldiethylenetriamine PC-5 (hereinafter referred to as PC-5) is such a “fearless warrior”. As a multifunctional amine compound, it not only has wide applications in the industrial...