cyanogen (sĪănˈəjən) [key], NCCN, colorless, flammable, extremely poisonous gas with a characteristic odor somewhat like that of hydrogen cyanide. It melts at - 35°C, boils at - 21°C, and is soluble in water, ethanol, or ether. It is chemically very active.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.