Name: Calcium propionate Synonyms: Calcium dipropionate Molecular Formula:(C3H6O2)2.Ca;C6H10CaO4 Molecular Weight:186.22 CAS Number:4075-81-4 EINECS: 223-795-8 Propionates prevent microbes from producing the energy they need, like benzoates do. However, unlike benzoates, propionates do not require an acidic environment. Calcium propionate is used in bakery products as a mold inhibitor. Mold contamination is considered a serious problem amongst bakers, and conditions commonly found in baking present near-optimal conditions for mold growth. According to the Pesticide Action Network North America, calcium propionate is slightly toxic. This rating is not uncommon for food products;vitamin C is also rated by the same standards as being slightly toxic. Calcium propionate can be used as a pesticide. Calcium propionate has been linked to irritability, restlessness, inattention, and sleep disturbance in children. The Ecologist Online claims that it is linked to allergic reactions in bakery workers.