Toxic gas consisting of hydrogen cyanide
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What is Zyklon B?
Beginning in September 1941, Zyklon B, the brand name for hydrogen cyanide (HCN), was the poison used to kill at least a million people in gas chambers at Nazi concentration and death camps such as Auschwitz and Majdanek.
How did they get the Zyklon B pellets in the gas chamber?
Led to a camouflaged gas chamber with fake showerheads, the prisoners were trapped inside when a large door was sealed behind them. Then, an orderly, who wore a mask, opened a vent on the roof of the gas chamber and poured Zyklon B pellets down the shaft.
Where was Zyklon-B made?
The Zyklon used at Auschwitz concentration camp was produced by a firm called Degesch (Deutsche Gesellschaft fr Schdlingsbekmpfung mbH), with headquarters in Frankfurt am Main and forming a part of IG Farbenidustrie AG. The following is a scientific breakdown of Zyklon-B:
Is Zyklon B dangerous to humans?
Although deadly accidents did occur and severe caution was necessary because prussic acid is extremely dangerous to humans at even low concentrations, Zyklon B was fairly popular as a pesticide in the interwar years.