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1.Chemical name: Sodium propionate FCCVII ,E281
2.Molecular formula: C3H5NaO2
3.Molecular weight:96.06
4.Cas No:137-40-6
5.Einecs:205-290-4
6.Usage: Sodium propionate is one of the safe and reliable food preservatives approved to be used by WHO and UN FAO. It looks as white crystalline or colorless transparent crystal , granular or crystalline pwoder and could be used in baking foods, legumes and cereal based food products.
7.Packing: It is packed with polyethylene bag as inner layer and kraft paper bag as outer layer. The net weight of each bag is 25kgs
8.Specification and standard:
Name index | FCC-V | E281 |
APPEARANCE | White crystalline or crystalline powder | White crystalline hygroscopic powder, or a fine white powder |
Content | 99.0-100.5(drying basis)% | ≥99.0% (105°C,2h) |
pH (10 % aqueous solution) | -- | 7.5-10.5 |
As ≤% | -- | 0.0003 |
Heavy metals ≤% | -- | 0.001 |
Alkalinity (as Na2CO3) | Passes test (about 0.15%) | -- |
Loss on drying ≤% | 1 | 4 (105°C,2h) |
Water insoluble ≤% | -- | 0.1 |
Iron ≤% | 0.003 | 0.005 |
Lead ≤% | 0.0002 | 0.0005 |
Mercury ≤% | -- | 0.0001 |

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