Sodium nitrate
Sodium nitrate, the aqueous solution is neutral. It is used in the production of nitric acid, sodium nitrite, as ingredients in the glass, match, enamel, or ceramic industries, as fertilizers, catalysts in the production of sulfuric acid, etc.
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Description
English name: Sodium nitrate
Molecular formula: NaNO3
CAS NO.: 7631-99-4
EINECS NO.：231-554-3
Appearance
White to yellow crystalline powder.
Physical property
Melting point: 306.8℃
Boiling point: 380℃ (decomposition)
Density: 2.26g/cm3
Solubility: easily soluble in water, glycerin, liquid ammonia, slightly soluble in ethanol, insoluble in acetone
Application field
- Nitrating agent for making dye intermediates.
- Glass industry used for the production of various glass and its products defoamer, decolorizer, clarifying agent and oxidation flux.
- The enamel industry is used as oxidant and flux for the preparation of enamel powder.
- Mechanical industry used as metal cleaning agent, also used in the preparation of black metal bluing agent.
- Metallurgical industry used as steel and aluminum alloy heat treatment agent.
- The light industry is used as an accelerant for the manufacture of cigarettes.
- The pharmaceutical industry uses it as a culture medium for penicillin.
- The fertilizer industry is used as a quick-acting fertilizer suitable for acidic soils, especially for root crops such as beets and radishes.
- Used as a corrosion inhibitor and desensitization agent in toothpaste to prevent dentin allergy.
- Sodium nitrate is mainly used as corrosion inhibitor and boiler metal embrittlement inhibitor in the field of water treatment.
Storage precautions
Store in a cool, ventilated warehouse. Keep away from fire and heat sources, the storage temperature should not exceed 30℃, the relative humidity should not exceed 80%, should be stored separately from reducing agents, active metal powder, acids, inflammables, etc., do not mix storage, storage area should be equipped with appropriate materials to contain leaks.
