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Sodium Nitrite

Sodium nitrite is often used as a precursor to compounds including pesticides, dyes and pharmaceuticals, but is also applied as a food additive.


Sodium nitrite is an inorganic compound and high-soluble sodium salt with the formula NaNO2. As a solid, it is a white powder. As a liquid, it is a light-yellow solution available in a number of strengths.

It is commonly used as a reagent in the industrial production of organonitrogen compounds. It is used as a starting point for the manufacture of pharmaceuticals and is a key component in the production of azo dyes for textiles applications.

It is also widely applied as a food additive with the E number E250, particularly for curing and preservation of meat products.

CAS Number
25%, 30% and 40% (liquid)
25kg (solid); 25L, 200L, 1000L, bulk transfer (liquid)
Chemical Formula


Food Additives

• Speeds up curing, enhances taste, inhibits microbial growth and imparts colouring on meat

Oil & Gas

• Corrosion inhibition in equipment
• Additive in industrial greases, hydraulic fluids and lubricants

Textile Chemicals & Dyes

• In producing dyes, emulsion paints and colouring linens

Healthcare Chemicals

• Precursor for synthesis of certain pharmaceuticals and organic compounds
• As part of an intravenous mixture to treat severe cyanide poisoning

Industrial Ingredients

• Production of organonitrogen compounds
• Electrolyte in electrochemical grinding manufacturing processes
• Polymer inhibitor in rubber industry
• Foam rubber blowing agent


• Antimicrobial in fertilisers, herbicides and insecticides

Water Treatment

• Corrosion inhibition in heating and cooling systems
• Reduces nitrate levels in wastewater environments


• In cold phosphating and descaling and detinning steel and iron
• Additive in production of steel and aluminium alloys
• Corrosion inhibition on metal surfaces
• An additive in the concrete manufacture

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