Sodium propionate
Name:Sodium propionate
Synonyms: Propanoic acid sodium salt
 
Molecular Structure  
 
Molecular Formula: C3H5NaO2
Molecular Weight: 96.06
CAS Registry Number: 137-40-6
EINECS: 205-290-4
 
Sodium propionate or sodium propanoate is the sodium salt of propionic acid which has the chemical formula Na(C2H5COO).
It is used as a food preservative and is represented by the food labeling E number E281 in Europe. It is used primarilly as a mold inhibitor in bakery products.
 
Specification
Item
Specification
Assay
99.0% Min
Loss on Drying
1.0% Max
Free Basicity(on Na2CO3)
Conform
Iron
0.003% Max
As
0.0003% Max
Pb
0.001% Max
Packing:Paper-plastic composition bag lined with polyethylene film food bag, 25kg/bag.
Storage:be preserved in shady,cool and dry condition.Forbid sun burning
Shelf life:2years
 
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