1. 17 There was arsenic, cyanide, prussic acid and - the list stopped there.

2. Bitter almonds contain traces of prussic acid—also known as hydrocyanic acid—in its raw state

3. After thoroughly shaking, Acidulate with dilute hydrochloric acid, when a blue coloration will be produced if prussic acid is present

4. Hydrogen Cyanide (HCN, also known as prussic acid) is a volatile liquid that boils at 25.6° C (78.1° F)

5. 11 Above all, children must be protected: "I would rather give a healthy boy or a healthy girl a phial of prussic acid than this novel."

6. Zyklon B (German: [tsyˈkloːn ˈbeː] (); translated Cyclone B) was the trade name of a cyanide-based pesticide invented in Germany in the early 1920s.It consisted of hydrogen cyanide (prussic acid), as well as a cautionary eye irritant and one of several adsorbents such as diatomaceous earth.The product is notorious for its use by Nazi Germany during the Holocaust to murder approximately 1.1