E281 - Sodium propionate

Functions: Preservative

Sodium propanoate or sodium propionate is the sodium salt of propionic acid which has the chemical formula Na-C2H5COO-. This white crystalline solid is deliquescent in moist air. - Wikipedia

EFSA evaluation: Scientific Opinion on the re-evaluation of propionic acid -E 280-, sodium propionate -E 281-, calcium propionate -E 282- and potassium propionate -E 283- as food additives (2014-07-22)