CH3CH2COO2Ca

Calcium propionate is a chemical compound with the formula CH3CH2COO2Ca. It is the calcium salt of propionic acid. It appears as a white crystalline powder. This compound is soluble in water.

Calcium propionate is widely used as a food preservative. It functions by inhibiting the growth of mold and other microorganisms, thereby extending the shelf life of various food products. It is particularly effective in baked goods such as bread, cakes, and pastries. It is also found in processed meats, cheeses, and other food items where mold prevention is desired. The United States Food and Drug Administration (FDA) recognizes calcium propionate as Generally Recognized As Safe (GRAS) for use as a food additive. In Europe, it is designated with the E number E282.

Beyond its application in food, calcium propionate has also found use in animal feed as a mold inhibitor. In some industrial applications, it can be used in the production of certain chemicals. It is generally considered safe for consumption within approved limits.