1678. Calcium Lactate

Nomenclature

CAS number: 814-80-2
2-Hydroxypropanoic acid calcium salt.
C6H10CaO6; mol wt 218.22.
C 33.02%, H 4.62%, Ca 18.37%, O 43.99%.
Ca[CH3CH(OH)COO]2.

Description and references

Commercial prepn usually contains about 25% water, and on the anhydr basis it is at least 98% pure. Prepd commercially by neutralization of lactic acid, from fermentation of dextrose, molasses, starch, sugar or whey, with CaCO3: Inskeep et al., Ind. Eng. Chem. 44, 1955 (1952). Clinical use as a supplement: G. M. Day et al., Pediatr. Res. 9, 568 (1975). Evaluation as anticaries agent: B. M. Shrestha et al., Caries Res. 16, 12 (1982); M. J. M. Schaeken, J. S. van der Hoeven, ibid. 24, 376 (1990). Clinical pharmacology: M. Goddard et al., Am. J. Clin. Nutr. 44, 653 (1986).

Properties

Pentahydrate, odorless, white, slightly efflorescent granules or powder. Becomes anhydr at 120°. pH: 6-8. Sol water. Practically insol in alcohol.

Use

As a preservative in foods and beverages; in dentifrices.

Therapeutic Category

Calcium replenisher.

Therapeutic Category (Veterinary)

Calcium replenisher.

Keywords

Replenishers/Supplements; Calcium