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Product Details:
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| Name: | Sodium Nitrate | Alias: | Chilean Saltpeter, Sodium Saltpeter, Salt Saltpeter, Etc. |
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| Molecular Weight: | 84.99 | CAS NO.: | 7631-99-4 |
| EINECS NO.: | 231-554-3 | Melting Point: | 306.8 ℃ |
| Boiling Point: | 380 ℃ | Appearance: | Colorless, Transparent Or White With Yellowish Rhomboid Crystals |
1000 KG NaNO3 Sodium Nitrate CAS 7631-99-4 Used as Defoamer and Decolorizer
Sodium nitrate at room temperature is a colorless transparent diamond shaped crystal or white or micro-yellow particles or powder. Salty, slightly bitter. It deliquesces easily in wet air. Sodium nitrate is oxidizing and can be co-heated with lead to produce sodium nitrite and lead oxide. It also oxidizes hydroiodic acid to iodine elemental and forms nitric oxide at room temperature: the introduction of hydrogen ions into sodium nitrate solution will show the characteristics of nitric acid: sodium nitrate is one of the components of curing salt.
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ITEM
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INDEX | |
| result | ||
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Content of sodium nitrate (calculated by dry base) % |
99.3 | |
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Content of sodium nitrite (calculated by dry base) % |
0.046 | |
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Content of chloride(NaCl) (calculated by dry base) % |
0.078 | |
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Content of insolubles in water (calculated by dry base) % |
0.017 | |
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Moisture % |
1.0 | |
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Appearance of product |
White fine crystal with slightly yellowish | |
| Package and Trademark |
By woven plastic bag outer, and white PE bag inner |
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| Result | FIRST QUALITY | |
1. Food
Sodium nitrate is also a food additive used as a preservative and color fixative in cured meats and poultry; it is listed under its INS number 251 or E number E251. It is approved for use in the EU, US and Australia and New Zealand. Sodium nitrate should not be confused with sodium nitrite, which is also a common food additive and preservative used, for example, in deli meats.
2. Thermal storage
Sodium nitrate has also been investigated as a phase-change material for thermal energy recovery, owing to its relatively high melting enthalpy of 178 J/g. Examples of the applications of sodium nitrate used for thermal energy storage include solar thermal power technologies and direct steam-generating parabolic troughs.
3. Steel coating
Sodium nitrate is used in a steel coating process in which it forms a surface of magnetite layer.
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