Potassium Cyanide is a highly toxic chemical compound with the formula KCN. It appears as a white crystalline powder and is known for its use in various industrial processes, including gold mining and electroplating. Due to its toxicity, it can be lethal if ingested or inhaled, as it interferes with the body's ability to use oxygen. In addition to industrial applications, Potassium Cyanide has historical significance in criminal cases and suicides. It is important to handle this substance with extreme caution and to follow safety regulations to prevent accidental poisoning or environmental harm.