Examples from the Web for cyanogen
Cyanogen and hydrocyanic acid, recognizable by their odour, indicate decomposable cyanides.
For a connected view of the various compounds of cyanogen employed in the arts, see Prussian Blue.A Dictionary of Arts, Manufactures and Mines|Andrew Ure
If cyanogen be given the chance it will take unto itself an atom of hydrogen, producing the deadly hydrocyanic or prussic acid.Marvels of Scientific Invention|Thomas W. Corbin
Nitrogen, too, though not directly recognized, proves its presence by the lines of cyanogen.Are the Planets Inhabited?|E. Walter Maunder
The name was suggested by Prussian blue, the earliest known compound of cyanogen.