Sodium nitrite, technical

Sodium nitrite, technical 25kg, wholesale is a white powdery crystalline substance - a salt of nitrous acid. It's an oxidizing agent. It has a classification into several grades: the highest, 1.2. Separation is carried out according to the percentage of the constituents of the substance. The strongest top grade.

Obtained from nitrogen oxides. The first stage is the oxidation of ammonia, then - during the interaction of a solution of soda ash, chemisorption of nitrogen oxides from hot nitrous gases occurs. Hygroscopic, density 2.17 g/cm3, molar mass 68.995 g/mol, melting point from 271°C.

The chemical formula is NaNO2.

Where is it applied?

As an antifreeze additive to mortars and concretes in the production of building structures;

As an inhibitor for protection against atmospheric corrosion;

In the production of azo dyes, nitro and other organic compounds, as well as for various purposes in the chemical, metallurgical, rubber, machine tool and machine building, pulp and paper and other industries.

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