1、Chemical Name: Sodium Propionate
2、Molecular Formula: C₃H₅NaO₂
3、Molecular Weight: 96.06
4、CAS: 137-40-6
5、Character: It is colorless transparent crystal or granular crystalline powder, slight odorous. The monohydrate salt is a colorless and hygroscopic crystal. It is soluble in water and ethanol.
6、Usage: Sodium propionate is almost nontoxic to humans. Used as a food preservative, suitable for pastry as a preservative and bread as a mildew prevention agent. The maximum permissible concentration for use in cosmetics is 2% (measured in propionic acid).
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| Specification | GB 25549-2010 | FCC VII |
| Content(On dry basis), w/% | 99.5-100.5 | 99.0-100.5 |
| Loss on drying, w/% ≤ | 1.0 | — |
| Iron(Fe), mg/kg ≤ | 30.0 | 30.0 |
| Arsenic(As), mg/kg ≤ | 3.0 | — |
| Lead(Pb), mg/kg ≤ | — | 2.0 |
| Heavy metal(as Pb), mg/kg ≤ | 4.0 | — |
| Alkalinity | 通过试验 | Passes test (about 0.15%) |
| Moisture, w/% ≤ | — | 1.0 |
