Ethylene glycol is derived from the reaction of ethylene with oxygen and water, typically using a catalyst like potassium permanganate. It is distinct from diethylene glycol and triethylene glycol, which are different compounds with varying structures and properties. The discussion highlights a common spelling error regarding "ethylene glycol," which led to confusion about finding information on Wikipedia. Participants express interest in clarifying the differences between these glycol compounds, emphasizing the importance of engaging in a discussion rather than solely relying on external sources like Wikipedia.