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.
Food Grade 137-40-6 E281 Sodium Propionate,food preservatives sodium propionate powder
2.Quality guaranteed BP/EP/USP
4.Good after service
Name of index
White crystalline or crystalline powder
White crystalline hygroscopic powder, or a fine white powder
99.0-100.5 (drying basis)%
pH (10 % aqueous solution)
Heavy metals ≤%
Alkalinity (as Na2CO3)
Passes test (about 0.15%)
Loss on drying ≤%
Water insoluble ≤%
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. It is approved for use as a food additive in the EU, USA and Australia and New Zealand (where it is listed by its INS number 281).