Cyanogen
Cyanogen
Cyanogen (pronounced: /saɪˈænədʒɪn/) is a chemical compound with the formula (CN)2. It is a colorless, toxic gas with a pungent odor.
Etymology
The term "Cyanogen" is derived from the Greek words "kyanos" meaning dark blue, and "genes" meaning born of, produced from. This is due to the fact that cyanogen, when burned, produces a blue flame.
Chemistry
Cyanogen is a dimer of cyanide. It is a pseudohalogen, and can be viewed as a dimer of cyanide (CN)2. Cyanogen molecules consist of two cyanide radicals -CN joined by a single bond. The molecule is linear and symmetrical. Cyanogen is the anhydride of oxalic acid.
Production
Cyanogen can be produced by oxidation of hydrogen cyanide (HCN) in air, typically using a platinum catalyst. It can also be produced by the reaction of cyanide salts with halogens, or by the dehydration of amides.
Uses
Cyanogen has been used as a fumigant, a rocket propellant, and in organic synthesis. It is also used in the preparation of cyanide salts.
Health Effects
Exposure to cyanogen can cause respiratory failure, convulsions, and death. It is a powerful irritant to the eyes, skin, and respiratory system.
Related Terms
External links
- Medical encyclopedia article on Cyanogen
- Wikipedia's article - Cyanogen
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