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Calcium propionate

Code: INS 283; EEC NO.E282; GB 12493-90(17.005);
CAS: 4072-81-4
Molecular formula: (CH3CH2COO)2Ca·O~1H2O
C6H10CaO4·O~1H2O
Molecular weight: 186.22(anhydrous)
Properties: white crystal, granule or crystalline powder, odorless or slight propanoic acid odor, Its monohydrate is food additive, PH of 10% solution is 8 to 10.
It can release free propanoic acid in acidic condition, and can be used as antiseptic or mildew preventive of bread.
It exists in Swiss cheese naturally.
Quality index:
Assay(dry) ≥99.0%
Water insoluble matter ≤0.30%
Moisture(120℃,2h) ≤9.5%
free acid or alkali Through experiment
Fluoride(as F ) ≤0.003%
As(as As2O2) ≤0.0004%
Heavy metals(as Pb) ≤0.001%
Fe(GT-17; sample 0.5g) ≤50mg/kg
Lead(atomic absorption method) ≤5mg/kg
 
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