Tricalcium Citrate

Tricalcium citrate is also called Calcium citrate or Tricalcium dicitrate. Its most common form is Tetrahydrate. It is the common calcium salt of citric acid. 

It is a approved food additive carrying the E number E333. The most widespread application of Tricalcium citrate is acting as a preservative. Sometimes it is also used as a dietary supplement or a flavor additive.

CAS Number : 813-94-5       5785-44-4(tetrahydrate)

Chemical formula
Ca3(C6H5O7)2
Molar mass498.43 g/mol (anhydrous)
570.49 g/mol (tetrahydrate)
Appearancewhite powder