Sodium Nitrite 99.5%


Restricted to Professional Users
– A declaration of use will need to be completed and approved prior to shipment of any order placed
– This product is not available for Customer Collection. It is a courier delivery service only.

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Sodium nitrite is the inorganic compound with the chemical formula NaNO2. It is a white to slightly yellowish crystalline powder that is very soluble in water and is hygroscopic. It is a useful precursor to a variety of organic compounds, such as pharmaceuticals, dyes, and pesticides, but it is probably best known as a food additive to prevent botulism.


This product is restricted for Sale to the General Public for certain applications. Please contact us before purchasing.

  • Industrial Chemistry – Industrial Production of Organonitrogen Compounds, Photography, Corrosion Inhibitor
  • Medicine – used as part of an intravenous mixture with sodium thiosulfate to treat cyanide poisoning.
  • Food Additive
  • Inhibition of Microbial Growth
  • Taste and Colour
  • Inhibition of Lipid Oxidisation

Minimum Assay: >99.0 – 99.5%
Molecular Formula: NaNO2
Molecular Weight: 69.0 g/mol
Melting Point: 280 °C
Sodium Nitrate (NaNO3): Sodium Carbonate (NaCO3): <600mg/Kg
Sodium Chloride (NaCl): <50mg/Kg
Sodium Sulphate (Na2SO4): <300mg/Kg
Water (H2O): <0.2g/100gm (Loss on drying)
Insolubles: <50mg/Kg

Contains Anti-Caking Agent

Hazard Class: 5.1

Packing Group: 3

Hazard Phrases: Toxic if swallowed. May intensify fire; oxidiser. Very toxic to aquatic life. Causes serious eye irritation.

Prec Phrases: Keep/Store away from clothing/ Avoid release to the environment. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.


Cas No: 7632-00-0
Einecs No: 231-555-9



Additional information

Weight N/A
Pack Size

100gm, 250gm, 500gm, 1Kg, 2.5Kg, 5Kg