Sodium Nitrite Formula

Sodium nitrate is an inorganic salt with a chemical formula NaNO2. It is a solid white salt that is a powerful oxidising agent which used as a preservative due to its ability to prevent the bacteria from colonising the food. In this short piece of article, let us learn more about sodium nitrite formula along with its chemical structure, properties and uses.

Sodium Nitrite Properties

Properties of Sodium Nitrite


Sodium Nitrite


White crystalline solid

Chemical Formula


Melting Point

271 °C

Boiling Point

Decomposes above 320 °C


2.17 g/cm³

Molar Mass

68.9953 g/mol

Solubility in Water


Sodium Nitrite Structure

Sodium Nitrite Formula

Sodium Nitrite Uses

  • Listed in the World Health Organization’s List of Essential Medicines, sodium nitrite is an effective drug for cyanide poisoning.
  • It is used as a humane toxin for wild boar control
  • It is responsible for the desirable red colour in meat
  • Used as a food additive

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