Triethyl Citrate, TEC is innocuous plasticizer, widely used in the plasticizer of cellulose resin and vinyl resin, used as leavening agent in food to improve the foaming properties of baking food, as antioxidant to stabilize soybean oil, salad oil, magarine and other edible fat and oil, as flavoring agent used in soft drinks, sugar and baking food, used as chelating agent and carrier solvent.