CALCIUM GLUCONATE MONOHYDRATE

White or almost white, crystalline or granular powder.

Calcium gluconate monohydrate is used in treatment of calcium deficiency.

Dissolve it in H2O, filter and precipitate it by adding MeOH. Filter off the solid and dry it in a vacuum at 85o. Alternatively, dissolve it in H2O, filter (from insoluble inorganic Ca) and evaporate it to dryness under vacuum at 85o. [March et al. J Am Pharm Assoc 41 366 1952, Beilstein 3 IV 1255.]