Calcium Gluconate

Title: Calcium Gluconate
CAS Registry Number: 299-28-5
CAS Name: D-Gluconic acid calcium salt (2:1)
Trademarks: Calciofon; Calglucon; Ebucin; Glucal; Glucobiogen
Molecular Formula: C12H22CaO14
Molecular Weight: 430.37
Percent Composition: C 33.49%, H 5.15%, Ca 9.31%, O 52.05%
Line Formula: Ca[HOCH2(CHOH)4COO]2
Literature 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. [a]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.
Optical Rotation: [a]D20 about +6°
Use: In sewage purification; in coffee powders to prevent caking.
Therap-Cat: Calcium replenisher.
Therap-Cat-Vet: In hypocalcemic states, including bovine milk fever.
Keywords: Replenishers/Supplements; Calcium.
Calcium Glycerophosphate Calcium Hexafluorosilicate Calcium Hydride Calcium Hypochlorite Calcium Hypophosphite

Calcium gluconate
Calcium gluconate.svg
Calcium gluconate ball-and-stick.png
CAS number 299-28-5 YesY
PubChem 9290
ChemSpider 8932 YesY
ATC code A12AA03,D11AX03
Jmol-3D images Image 1
Molecular formula C12H22CaO14
Molar mass 430.373 g/mol
Appearance powder
Odor odorless
Melting point 120 °C (decomposes)
Solubility in water slowly soluble
Solubility insoluble in alcohol and organic solvents
Acidity (pKa) 6-7
NFPA 704
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Calcium gluconate is a mineral supplement. It is manufactured by the neutralization of gluconic acid with lime or calcium carbonate.