Formula:
NaNO3
Hazard class:

Non-flammable oxidizer capable of causing spontaneous combustion of flammable materials and intensive burning. Decomposes under thermal exposure with the release of toxic substances and possible explosive decomposition. Requires strict compliance with safety measures during storage and transportation.

Transportation conditions:

By covered transport

Storage conditions:

Sealed packaging in covered unheated warehouses.

Shelf life:
Shelf life is not limited.
Technical Sodium Nitrate
GOST 828-77
Product quantity
(Number of packages)
Specification:
Characteristics Grade A Grade B
Appearance White crystals with a grayish or yellowish tint
Mass fraction, %
sodium nitrate calculated on dry substance, not less than 99.8 99.5
water, not more than 0.5 0.5
water-insoluble substances, not more than 0.03 0.03
chloride salts calculated as NaCl, not more than 0.15 0.3
oxidizable substances calculated as NaNO2, not more than 1.0 0.2
Mass fraction of iron calculated as Fe2O3 0.001
Mass fraction of chromium calculated as Cr2O3, % not more than 0.0001
Technical Sodium Nitrate

Description of characteristics

Technical sodium nitrate is a white crystalline substance with the chemical formula NaNO₃, with high water solubility and hygroscopicity. It is stable and has a wide temperature range of application. Thanks to its oxidizing capabilities and available nitrogen content, it is used in the production of fertilizers, pyrotechnic compositions and special chemical reagents. During storage it requires protection from moisture and compliance with safety rules when working with oxidizers.

GOST 828-77

Technical sodium nitrate, produced in accordance with GOST 828-77, meets strict quality and safety requirements, which guarantees its effective use for industrial and agricultural purposes. This standard regulates the key parameters of the product: mass fraction of the main substance, impurity content, moisture and particle size composition. Compliance with the requirements ensures stability of characteristics and reliable handling of the chemical in various technological processes.

Production method

Industrial production of technical sodium nitrate is carried out by neutralizing nitric acid with sodium carbonate or hydroxide, followed by crystallization and drying of the product. An alternative method is the processing of natural nitrate deposits (Chilean saltpeter) with purification from accompanying minerals. The technological process includes strict control of reaction parameters, temperature conditions and purification stages, which makes it possible to obtain a product with specified characteristics. Modern production ensures the output of high-purity technical sodium nitrate that meets the requirements of various industries.

Application:

  • In metallurgy. Acts as an effective flux in high-temperature metal processing. Involved in etching and surface hardening of steel products.
  • In chemical synthesis it plays a key role as a reagent in the production of various organic and inorganic compounds, including ultra-pure substances for the electronics industry.
  • The pyrotechnics industry uses the oxidizing properties of sodium nitrate in creating special compositions for signal flares and fireworks. Provides intensive burning with a characteristic yellow flame.
  • In glass production it is used as a clarifying additive that improves the optical characteristics of finished products, as well as a component in the manufacture of heat-resistant glass and crystal.
  • In the textile and leather industries it is used in material processing to improve their performance properties.
  • The pharmaceutical industry uses purified forms of the compound in the synthesis of certain medications.
  • In the construction industry the substance is used as part of special solutions.
  • In agriculture — as a highly effective nitrogen fertilizer for crops that prefer sodium-form nutrition.

Precautions:

Sodium nitrate, classified as hazard class 3, requires strict compliance with safety regulations. When working with the powdered form of the substance, it is mandatory to use personal protective equipment: FFP3-class respirators to prevent dust inhalation, chemically resistant butyl rubber gloves, and safety goggles with side shields. Process rooms must be equipped with ventilation that prevents the accumulation of vapors and aerosols.

In case of skin contact, the affected area must be rinsed immediately under running water for 15-20 minutes. If it gets into the eyes, prolonged rinsing and mandatory consultation with an ophthalmologist is required. Oral ingestion of the substance poses a particular danger, leading to the formation of methemoglobin — in such a situation, urgent medical intervention is necessary. Storage is carried out in sealed containers with antistatic protection, in isolated rooms that exclude contact with combustible materials and reducing agents. Disposal of residues is carried out by specialized organizations in accordance with environmental regulations.

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Information

Frequently asked questions (FAQ) about Technical Sodium Nitrate

Are technical sodium nitrate and sodium nitrate the same substance?

Yes, technical sodium nitrate and sodium nitrate are the same substance with the formula NaNO₃. Documents may also use the names “sodium saltpetre” and sodium nitrate. When purchasing, it is important to check not only the name but also GOST 828-77, the product grade, the mass fraction of sodium nitrate, water content, chlorides, insoluble substances and oxidisable impurities. This helps accurately match the batch to production and incoming inspection requirements.

How does grade A of technical sodium nitrate differ from grade B?

Grade A of technical sodium nitrate differs by a higher content of the main substance and stricter requirements for some impurities. For grade A, the mass fraction of sodium nitrate is regulated at not less than 99.8%, for grade B at not less than 99.5%. The permissible values for chloride salts, oxidisable substances, iron and chromium may also differ.

What safety measures are required when working with technical sodium nitrate?

Technical sodium nitrate is a non-flammable oxidiser, so when working with it, contact with flammable materials, reducing agents and contaminated containers must be excluded. When decanting and dosing, personnel use safety goggles, gloves, protective clothing and a respirator if dust is generated. The storage area must be organised separately from substances that could intensify combustion or cause an undesirable reaction. Spills are collected carefully, preventing contamination of the raw material and the product entering unsuitable areas.

How to store technical sodium nitrate in a warehouse?

Technical sodium nitrate is stored in sealed packaging, in covered, unheated warehouse rooms and protected from moisture. The product is hygroscopic, so if storage conditions are violated it can cake, become harder to dose and create difficulties in further work with the batch. Packages are placed separately from flammable materials, reducing agents and substances incompatible with oxidisers. For a wholesale buyer, the quality certificate, labelling, packaging integrity and batch traceability are important.

Delivery and payment

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Delivery terms

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Payment terms

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