Sodium Propionate & Calcium Propionate

Sodium Propionate has the general formula Na(C2H5COO). It is a salt of propanoic acid. It is generally found as a crystalline solid and white in color. These salts are deliquescent in the open air and absorb high proportions of moisture from the air. Their E number is E281 and generally used as a food preservative. The most suitable areas of their consumption is bakeries.

Calcium Propionate is the calcium salt of propanoic acid and used as the food additive. It has E number equal to E282. These are used as a preservative in baked goods, processed meat and other dairy products. These are also used in agricultural purposes for preventing milk fever in cows as well as a feeding supplement. It is also used in the rodents to cause social impairment as well as hyperactivity.