2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD)

2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) is a toxic chemical classified as a dioxin, formed unintentionally during certain combustion and manufacturing processes. It is known for its high persistence in the environment and ability to accumulate in living organisms. TCDD is associated with serious health risks, including cancer, immune system suppression, and reproductive issues. Because of its toxicity, it is considered a hazardous pollutant, and efforts focus on minimizing its release and exposure through environmental regulations and cleanup initiatives.