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Hydrogen cyanide (formerly known as prussic acid) is a chemical compound with the formula HCN and structural formula H−C≡N. It is a highly toxic and flammable liquid that boils slightly above room temperature , at 25.6 °C (78.1 °F).
The most hazardous compound is hydrogen cyanide, which is a gas and kills by inhalation. For this reason, an air respirator supplied by an external oxygen source must be worn when working with hydrogen cyanide. [11] Hydrogen cyanide is produced by adding acid to a solution containing a cyanide salt.
Cyanide is a potent cytochrome c oxidase (COX, a.k.a. Complex IV) inhibitor, causing asphyxiation of cells. As such, cyanide poisoning is a form of histotoxic hypoxia, because it interferes with the ability of cells to take or use oxygen via oxidative phosphorylation. [ 25]: 1475. Specifically, cyanide binds to the heme a3-CuB binuclear center ...
Hydrogen cyanide (HCN) and aldehydes (e.g., formaldehyde) were demonstrated to form as intermediates early on in the experiment due to the electric discharge. [29] This agrees with current understanding of atmospheric chemistry , as HCN can generally be produced from reactive radical species in the atmosphere that arise when CH 4 and nitrogen ...
Cyanide preparation to be opened and used only by trained personnel". 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 consists of hydrogen cyanide (prussic acid), as well as a cautionary eye irritant and one of several adsorbents such ...
Potassium hexacyanidoferrate(II) is produced industrially from hydrogen cyanide, iron(II) chloride, and calcium hydroxide, the combination of which affords Ca 2 [Fe(CN) 6]·11H 2 O. This solution is then treated with potassium salts to precipitate the mixed calcium-potassium salt CaK 2 [Fe(CN) 6 ], which in turn is treated with potassium ...
The German chemist Adolph Strecker discovered the series of chemical reactions that produce an amino acid from an aldehyde or ketone. [9] [10] Using ammonia or ammonium salts in this reaction gives unsubstituted amino acids. In the original Strecker reaction acetaldehyde, ammonia, and hydrogen cyanide combined to form after hydrolysis alanine ...
Cyanogen is the chemical compound with the formula ( C N) 2. The simplest stable carbon nitride, it is a colorless and highly toxic gas with a pungent odor. The molecule is a pseudohalogen. Cyanogen molecules consist of two CN groups – analogous to diatomic halogen molecules, such as Cl 2, but far less oxidizing.