prussic acid

The celebrated author just barely outlived his acquaintance Polidori, who committed suicide in 1821 by swallowing prussic acid.

Exposed to oxygen, the pellets gave off prussic acid, blocking the exchange of oxygen in the blood.

So let us pity the poor vial of prussic acid dashed down so suddenly, and by so noble a hand, whom mortals call Marat.

A weapon with the smallest point covered with the matter kills as instantaneously as prussic acid.

One of his contemporaries said of him that he sometimes mistook his vial of prussic acid for his ink-pot.

The autopsy revealed the mere fact that Mr. Blair was poisoned by prussic acid, taken into the stomach.

The cyanide present as hydrogen cyanide or prussic acid (HCy) is practically useless as a gold solvent.