sodium propionate(redirected from Preservative 281)
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Related to Preservative 281: Preservative 282
A transparent crystalline sodium salt of propionic acid, NaC3H5O2, used as a fungicide and bactericide, especially to prevent food spoilage.
(Elements & Compounds) a transparent crystalline soluble substance used as a medical fungicide and to prevent the growth of moulds, esp to retard spoilage in packed foods. Formula: Na(C2H5COO)