white or slightly yellow crystalline powder
| indicator | 1 grade | 2 grade |
| Mass fraction of sodium nitrite NaNO2, min |
98,5% | 97% |
| Mass fraction of sodium nitrate NaNO3, max | 1,0% | – |
| Mass fraction of chloride salts in terms of NaCl, | 0,17% | – |
| Mass fraction of water-insoluble calcined residue, max | 0,03% | 0,07% |
| Mass fraction of water, max | 1,4% | 2,5% |
- In the production of sausage and meat products, sodium nitrite is used as a color fixer, as well as to prevent the growth of bacteria that cause severe poisoning. It is also blended with table salt for use in homemade meat and lard blanks. Passes as a food additive E250.
- Included in the huge number of colors used for dyeing organic materials - leather, cloth, shells of tablets and sweets.
- It is used in construction as an antifrosty additive for concrete. Also used in reinforced concretes.
- It is widely used in the pulp and paper industry for bleaching raw materials.
- It is a universal inhibitor of atmospheric corrosion, therefore it can serve, for example, as an impregnation for wood. It also protects the log from ignition - is a flame retardant.
- It is used to remove the tinning from various parts, which is indispensable in the recycling of waste electronic components.
- Coloring by the stencil process, which is indispensable for the production of colored fabrics with drawings, also occurs in the presence of sodium nitrite.
- It is used in the production of high-quality rubber rubber for the manufacture of surgical gloves.
- It is used as a gas-generating additive. This property of Sodium Nitrate is in demand in the implementation of technologies for stamping by an explosion and the production of explosives.
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Sodium nitrite is an inorganic salt of nitrous acid and sodium. In dry form, the product is usually a crystalline substance, white or slightly yellowish, readily soluble in water. For a B2B buyer, what matters is not just the name and appearance but also the mass fraction of the main substance, moisture content, presence of impurities, packaging, quality certificate and the batch’s compliance with the requirements of a specific production process.
The danger of sodium nitrite: it is a toxic substance that requires careful handling, labelled containers and personnel protection. The hazard is associated with ingestion, inhalation of dust, skin contact and accidental mixing with incompatible substances. When working with it, gloves, safety goggles, protective clothing and ventilation are used. In the warehouse, sodium nitrite must not be stored near acids, reducing agents, flammable materials or foodstuffs without clear isolation, to prevent contamination and hazardous reactions.
Sodium nitrite is stored in a dry, ventilated room, in sealed factory packaging, separately from acids, reducing agents, flammable substances and food raw materials. Containers are placed on pallets, protected from moisture, damage and accidental access by unauthorised persons. If storage conditions are violated, the product can cake, become contaminated or less convenient to dose. For a wholesale batch it is important to preserve the labelling, quality certificate, production date and traceability from receipt through to transfer into production.
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