Calcium propionate

                                   
Calcium propionate


	

		

			

			
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