Sodium citrate, CAS 68-04-2, is an organic compound with the chemical formula of C6H5Na3O7 and molecular weight of 258.07. It is a colorless rhombic columnar crystal, stable in air, soluble in water and glycerin, and slightly soluble in ethanol. The aqueous solution is slightly alkaline and tastes cool. When heated to 100 ℃, it becomes salt dihydrate. It is commonly used as a buffer, complexing agent, bacterial culture medium, in medicine for diuresis, expectoration, sweating, preventing blood coagulation, and in food, beverages, electroplating, photography and other aspects.
Main application
Sodium citrate has many excellent properties mentioned above, so it has a wide range of applications. Sodium citrate is non-toxic, has pH regulation performance and good stability, so it can be used in the food industry. Sodium citrate is used as food additive in the largest demand, mainly as flavoring agent, buffer, emulsifier, swelling agent, stabilizer, etc; In addition, sodium citrate is used in combination with citric acid as a gelling agent, nutritional supplement and flavor agent for various jams, jellies, fruit juices, beverages, cold drinks, dairy products and cakes.
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