1669. Calcium Gluconate

Nomenclature

CAS number: 299-28-5
d-Gluconic acid calcium salt (2:1); Calciofon; Calglucon; Ebucin; Glucal; Glucobiogen.
C12H22CaO14; mol wt 430.37.
C 33.49%, H 5.15%, Ca 9.31%, O 52.05%.
Ca[HOCH2(CHOH)4COO]2.

Description and references

Description of injectable solns with sodium ascorbate: GB 495675; DE 702185. General directions and stability data: Siegrist, Pharm. Acta Helv. 24, 430 (1949).

Properties

Odorless, tasteless crystals, granules, or powder. [α]D20 about +6°. Does not lose its water on drying without some decomposition. Slowly sol in 30 parts cold, about 5 parts boiling water; insol in alc or other organic solvents. pH aq soln: 6-7. More concd (20 to 30%) aq solns are easily obtained by the addition of boric acid or similar complex-forming acids. Supersatd injectable solns prepd with calcium d-saccharate.

Use

In sewage purification; in coffee powders to prevent caking.

Therapeutic Category

Calcium replenisher.

Therapeutic Category (Veterinary)

In hypocalcemic states, including bovine milk fever.

Keywords

Replenishers/Supplements; Calcium