Sodium propionate is the sodium salt of propionic acid, soluble in water, slightly soluble in alcohol.
Used as a food preservative, anti-fungal, anti-mold, anti-rope agents, and inhibits the growth of lactic acid bacteria.
it is an especially effective additive in baked goods or other products that are susceptible to spoilage, and prolong the shelf life.
It is also used in pharmaceuticals, cosmetics, agriculture and animal feed as preservative.