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Much literature has historically claimed that hydrogen cyanide smells of almonds or bitter almonds.However, there has been considerable confusion and disagreement over this, because the smell of household almond essence is due to benzaldehyde, which is released along with hydrogen cyanide from the breakdown of amygdalin present in some plant seeds, and thus is often mistaken for it [12] [13].
Cyanide, in the form of pure liquid prussic acid (a historical name for hydrogen cyanide), was the favored suicide agent of Nazi Germany. Erwin Rommel (1944), Adolf Hitler 's wife, Eva Braun (1945), [ 66 ] and Nazi leaders Heinrich Himmler (1945), possibly Martin Bormann (1945), and Hermann Göring (1946) all died by suicide by ingesting it.
The most hazardous compound is hydrogen cyanide, which is a gas and kills by inhalation. For this reason, working with hydrogen cyanide requires wearing an air respirator supplied by an external oxygen source. [11] Hydrogen cyanide is produced by adding acid to a solution containing a cyanide salt.
This process consists of three steps: hydrocyanation of butadiene to a mixture of 2-methyl-butene-3-nitrile (2M3BM) and pentene-3-nitrile (3PN), an isomerization step from 2M3BM (not desired) to 3PN and a second hydrocyanation (aided by a Lewis acid cocatalyst such as aluminium trichloride or triphenylboron) to adiponitrile.
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The hydrogen cyanide gas chamber is considered to be the most dangerous, most complicated, most time-consuming and most expensive method of administering the death penalty. [ 44 ] [ 45 ] [ 46 ] It is also notoriously impossible to halt once initiated, which has occurred in the case of stays, such as in the case of Burton Abbott .
The new Poison Cloud. I'll admit, I was just as skeptical when I heard about this new non-explosive weapon. I scoffed in the face of what appeared to be merely a drifting flatulence!
Use of hydrogen cyanide as a pesticide or cleaner has been banned or restricted in some countries. [51] Most hydrogen cyanide is used in industrial processes, made by companies in Germany, Japan, the Netherlands and the US. [52] [53] Degesch resumed production of Zyklon B after the war. The product was sold as Cyanosil in Germany and Zyklon in ...