Sodium cyanide

6. Sodium cyanide

A routine industrial reactant, but one false step results in the smell of almonds, then death within seconds. Cyanide Blinds to Cytochrome C Oxidase, a protein in the mitochondria, and stops the cells from using oxygen.


Sodium cyanide is an inorganic compound with the formula NaCN. It is a white, water-soluble solid. Cyanide has a high affinity for metals, which leads to the high toxicity of this salt.
  • Formula : NaCN
  • Molar mass : 49.0072 g/mol
  • Density: 1.6 g/cm³
  • Melting point: 563.7 °C
  • Boiling Point: 1,496 °C

Sodium cyanide is an inorganic compound with the formula NaCN. It is a white, water-soluble solid. Cyanide has a high affinity for metals, which leads to the high toxicity of this salt. Its main application, in Gold Mining, also exploits its high reactivity toward metals. It is a Strong base. When treated with acid, it forms the toxic gas Hydrogen cyanide.

Sodium cyanide solution in water is a strong base; it reacts violently with acid and is corrosive. Sodium cyanide is incompatible with strong oxidants. Carbon dioxide from the air is sufficiently acidic to liberate toxic hydrogen cyanide gas on contact with sodium cyanide.

CHEMICAL DANGERS :
  • Sodium cyanide is water-reactive.
  • Sodium cyanide decomposes on contact with acids, acid salts, water, moisture, and carbon dioxide, producing highly toxic, flammable hydrogen cyanide gas.
  • Sodium cyanide solution in water is a strong base; it reacts violently with acid and is corrosive.
  • Sodium cyanide is incompatible with strong oxidants.
  • Carbon dioxide from the air is sufficiently acidic to liberate toxic hydrogen cyanide gas on contact with sodium cyanide.

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