Name: Sodium phosphate Synonyms:Phosphoric acid trisodium salt; Sodium orthophosphate; Trisodium phosphate Molecular Formula:Na3PO4 Molecular Weight:163.94 CAS Registry Number:7601-54-9 EINECS:231-509-8 Sodium phosphates are added to many foods as an emulsifier to prevent oil separation. Some examples are processed cheeses, processed meats, ready-made meals and tinned (canned) soups. Sodium phosphates are also commonly added to powdered soups, boullions and gravy mixtures. Sodium phosphates can also be used as a leavening agent. Some examples of these foods include the batter coating on breaded fish or chicken, and commercially baked cakes. Adding sodium phosphates to food increases the shelf life of the food; maintaining the texture and appearance of the food. Sodium Phosphate (trisodium phosphate) is also an ingredient of cleaning products; e.g. Sugar soap.