Calcium Citrate
Title: Calcium Citrate
CAS Registry Number: 813-94-5
CAS Name: 2-Hydroxy-1,2,3-propanetricarboxylic acid calcium salt (2:3)
Molecular Formula: C12H10Ca3O14
Molecular Weight: 498.43
Percent Composition: C 28.92%, H 2.02%, Ca 24.12%, O 44.94%
Line Formula: Ca3(C6H5O7)2
Literature References: Prepn from citrus fruit: Cole, US 2389766 (1945 to California Fruit Growers Exchange). Use in foods: R. Labin-Goldscher, S. Edelstein, Food Technol. 50, 96 (1996). Bioavailability compared with calcium carbonate: K. Sakhaee et al., Am. J. Ther. 6, 313 (1999). Clinical effect on bone density: L. A. Ruml et al., ibid. 303; on serum lipid concentrations: I. R. Reid et al., Am. J. Med. 112, 343 (2002).
Derivative Type: Tetrahydrate
CAS Registry Number: 5785-44-4
Trademarks: Calcimax (Gador); Citracal (Mission Pharmacal)
Properties: Odorless powder. Loses most of its water at 100° and all at 120°. Sol in 1050 parts cold water; somewhat more sol in hot water. Insol in alcohol.
Use: In foods as calcium fortifier; as anticaking agent in dry mixes.
Therap-Cat: Calcium supplement.
Keywords: Replenishers/Supplements; Calcium.

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