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What (who) is cyanogen - definition

CHEMICAL COMPOUND (CN)₂, FUNCTIONAL GROUP -CN-, OR RADICAL CN·

Ethanedinitrile; Dicyan; C2N2; (CN)2; Dicyanogen; Nitriloacetonitrile; Oxalic acid dinitrile; Oxalonitrile; Dicyanide; Paracyanogen; N≡C-C≡N; CN radical; Cyanogen gas

cyanogen

[s??'an?d?(?)n]

¦ noun Chemistry a flammable poisonous gas made by oxidizing hydrogen cyanide. [C₂N₂.]

Origin

C19: from Fr. cyanogene, from Gk kuanos 'dark blue mineral' + -gene (see -gen), so named because it is related to Prussian blue.

Cyanogen

·noun A colorless, inflammable, poisonous gas, C₂N₂, with a peach-blossom odor, so called from its tendency to form blue compounds; obtained by heating ammonium oxalate, mercuric cyanide, ·etc. It is obtained in combination, forming an alkaline cyanide when nitrogen or a nitrogenous compound is strongly ignited with carbon and soda or potash. It conducts itself like a member of the halogen group of elements, and shows a tendency to form complex compounds. The name is also applied to the univalent radical, CN (the half molecule of cyanogen proper), which was one of the first compound radicals recognized.

Dicyanide

·noun A compound of a binary type containing two cyanogen groups or radicals;

- called also bicyanide.

Wikipedia

Cyanogen

Cyanogen is the chemical compound with the formula (CN)₂. The simplest 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 Cl₂, but far less oxidizing. The two cyano groups are bonded together at their carbon atoms: N≡C‒C≡N, although other isomers have been detected. The name is also used for the CN radical, and hence is used for compounds such as cyanogen bromide (NCBr) (but see also Cyano radical.)

Cyanogen is the anhydride of oxamide:

H₂NC(O)C(O)NH₂ → NCCN + 2 H₂O

although oxamide is manufactured from cyanogen by hydrolysis:

NCCN + 2 H₂O → H₂NC(O)C(O)NH₂

https://en.wikipedia.org/wiki/Cyanogen

Examples of use of cyanogen

1. They succeeded in developing cyanogen ion selective electrode and made a portable digital cyanogen densitometer.

2. The densitometer is capable of rapidly and correctly measuring the density of cyanogen ion in aqueous solution.