C2Cl2O2, also known as dichloroacetic acid, is a chemical compound composed of two carbon atoms, two chlorine atoms, and two oxygen atoms. It is a colorless liquid with a pungent odor and is primarily used in organic synthesis and as a herbicide. Its molecular structure allows it to participate in various chemical reactions, making it valuable in laboratory settings. This compound is also studied for its potential applications in medicine, particularly in cancer treatment. Research has indicated that dichloroacetic acid may help inhibit tumor growth by affecting cellular metabolism. However, safety precautions are necessary when handling it due to its toxic nature.