Worlds of David Darling
Encyclopedia of Science
Home > Encyclopedia of Science

cyanogen (C2H2)

cyanogen molecule
Cyanogen molecule, showing bond lengths.
Source: Wikipedia

Cyanogen (C2H2) is a colorless, toxic gas, a pseudohalogen, prepared by oxidizing a cyanide. It is reactive and polymerizes (see polymerization) to paracyanogen. Melting point -27.9°C, boiling point -21.2°C.

Related category