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Sodium nitrate
Molecular Formula:  NaNO3
Molecule Weight:  84.99
Appearance: White or light yellow Fine Crystal
Property: White fine crystal. Some are light gray or buff. The relative molecular weight is 84.99 and density is 2.257. It's easy to be deliquescence and to dissolve in water and liquid ammonia, but only a little can dissolve in ethanol and glycerin. The melting point is 271°C. And decomposition temperature is 380°C. Its decomposition products are sodium nitrite and oxygen. If heated to higher temperature, it will be decomposed into the mixed gas of oxygen, azote and oxynitride. It has the strong oxidizing property and can cause the inflammation and explore while mixed with organics, sulfur and sulfite etc.
Application
Sodium nitrate is used as an ingredient in fertilizers, pyrotechnics,and as a solid rocket propellant, as well as in glass and pottery enamels; the compound has been mined extensively for those purposes.
Sodium nitrate is also synthesized industrially by neutralizing nitric acid with soda ash.

 

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