Sodium Cyanide is a toxic cyanide salt, sodium salt, and one-carbon compound used as an insecticide, a test reagent for chemoreceptor function, and in a variety of industrial processes. It is a white crystalline solid, colourless gas, or aqueous solution with an odourless or faint, bitter almond-like odour. Inhalation, ingestion, or contact results in exposure. NaCN, also known as sodium cyanide, is a cyanide salt, a sodium salt, and a one-carbon compound. It is also known as Cyanogran, a Sodium Cyanide Market, or Cyanobrik. It is extremely toxic and inhibits a variety of metabolic processes. It is widely used as a test reagent for chemoreceptor function and in industrial processes.