Sodium Nitrate finds its most common application in formulation of fertilizers, & in pyrotechnics. This chemical has molecular formula NaNO3 with molar mass 84.99 g/mol with sweet odor and white colored powdery appearance. It is also utilized in food industry as color fixative & preservative with E number E251. This compound has ability to enhance growth rate of facultative microorganisms that are used in wastewater treatment plants by supplying nitrate. In combination with calcium nitrate & potassium nitrate, Sodium Nitrate is used for heat storage & transfer in solar power plants. It is soluble in water & ammonia with acetone insolubility.