Potassium cyanide is actually a compound with the formula KCN, a really toxic cyanide salt, similar to sodium cyanide, with many different uses in chemistry and market. Hydrogen cyanide fuel, an incredibly lethal chemical asphyxiant that hinders the human body’s utilization of oxygen, is produced when potassium cyanide is heated. https://rowanzayyz.wssblogs.com/30408886/potassium-cyanide-cas-number-fundamentals-explained