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  Sodium propionate  CAS#:137-40-6
 
Molecular formula C3H5NaO2
Molecular weight 96.06
Propertie white crystal , granule or crystalline powder , odorless or slight odor of propionic acid
Uses preservative, anti-fungus agent of food and feed .
Dosage 1, GB2760-96(g/kg): cake 2.5.
2, FAO/WHO(1984):cheese 3000mg/kg.
Limit preservative. ADI is limitless
Packing double-layer PE film food bag , net wt 25kg .
Quality standard
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
 


     
     
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