The second and minimal metabolic pathway consists of the reaction of cyanide with cystine to produce cysteine and β-thiocyanoalanine (Wooden and Cooley 1955). 1st identified in 1786 by Scheele, who extracted it from the dye Prussian blue – and immediately died from exposure into the vapours To the other hand, https://cyanolab.net/product/sodium-cyanide-powder/