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Sodium Propionate,E No. E281,CAS No.137-40-6,Synonyms: Sodium propanoate
Sodium propanoate or sodium propionate is the sodium salt of propionic acid which has the chemical formula Na(C2H5COO).
It is used as a food preservative and is represented by the food labeling E number E281 in Europe. It is used primarily as a mold inhibitor in bakery products.