Calcium citrate is the calcium salt of citric acid. It is commonly used as a food additive (E333), usually as a preservative, but sometimes for flavor. In this sense, it is similar to sodium citrate.
Calcium citrate | |
2-hydroxy-1,2,3-propane-tricarboxylic acid calcium salt (2:3) | |
Other names:E333, tricalcium dicitrate | |
Identifiers | |
· 813-94-5 · 5785-44-4 (tetrahydrate) | |
· 212-391-7 | |
E333 (antioxidants, ...) | |
PubChem CID | · 13136 |
Properties | |
Ca3(C6H5O7)2 | |
498.4334 g/mol (anhydrous) | |
Appearance | White powder |
odorless | |
1.63 g/cm3 (anhydrous) | |
Decomposes | |
Decomposes | |
0.85 g/L (18 °C) | |
insoluble in alcohol | |
Structure | |
Triclinic (tetrahydrate) | |
NFPA 704 (fire diamond) |
Product Characters:White crystalline powders
Executive Standards:USP/FCC/E333/GB1903.14-2016
Packaging: plastic woven bag, 25kg net composite paper-plastic bags or 3-ply kraft paper bags with PE liner,500kg or 1000kg net PP woven jumbo bags
Storage: Kept in a light-proof, well-closed, dry and cool place, to avoid mixed storage with toxic, odor, and non-ferrous powders
Main Usage:Mainly used in food industry as chelating agent, buffer, tissue coagulant and calcium fortifier
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