Sodium propanoate or sodium propionate is the sodium salt of propionic acid which has the chemical formula Na(C2H5COO).
Quality standard:
HG2922-1999, FCC-V
Application:
Food preservative, moldy inhibitors.
Packing:
The net weight of each box is 10kg, the amount of each box is 20 bags and the weight of each bag is 500g. Or the amount of each box is 10 bags and the weight of each bag is 1000g. Or it is packed with polyethylene bag as liner and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
Storage and transport:
Kept in tightly closed containers, it should be stored in a dry and ventilative warehouse, kept away from moisture and hot. Furthermore, it should be stored separately from poisonous substances. Handled with care, so as to avoid damaging to bags.
Reactions
It is produced by the reaction of propionic acid and sodium carbonate or sodium hydroxide.
Uses
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 .
FCC Preservatives Food Grade Sodium Propionate |
| Item | | Specification | | |
| Synonym | Sodium propanoate | | |
| Molecular Formula | C3H5NaO2 | | |
| Molecular Weight | 96.06 | | |
| Appearance | White crystalline solid or powder | | |
| Assay( as CH3CH2 COONa dried ) % | ≤99.0 | | |
| pH (10 %; H2O; 20°C) | 8.0~10.5 | | |
| Loss on drying | ≤0.0003% | | |
| Alkalinity(as Na2CO3) | pass test | | |
| Heavy metal | | | |
| Lead | ≤0.001% | | |
| As( as As2O3) | ≤0.0003% | | |
| Fe | ≤0.0025% | | |
