Sodium Propionate
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.
Advisory message
- Details
- parameter
Molecular Formula
C3H5NaO2
Appearance and Properties
White crystal , granule or crystalline powder , odorless or slight odor of propionic acid
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.
| Index name | HG2922-1999 | FAO/WHO 1995 | FCCIV | E281 |
| Assay(dry) %≤ | 99.0~100.5 | 99.0 | 99.0~100.5 | 99.0 |
| Water insoluble matter %≤ | - | 0.1 | - | - |
| PH 10% | - | 7.5~10.5 | - | 8.0~10.5 |
| Alkalinity(Na2CO3) %≤ | passed | passed | ||
| Loss on heat %≤ | 1.0 | 5.0 | ||
| Heavy metals (as Pb) %≤ | 0.001 | 10mg/kg | 0.001 | 0.001 |
| Fe %≤ | 0.003 | 50mg/kg | 0.003 | 0.003 |
| As( as As2O3) %≤ | 0.0003 | 3mg/kg | - | 0.0003 |
| Moisture(KF) %≤ | - | - | 1.0 | 1.0 |
