| Synonyms | Calcium salt of D-gluconic acid |
| Definition | |
| Chemical name | Calcium di-D-gluconate |
| Einecs | 206-075-8 |
| Chemical formula | C12H22CaO14 (anhydrous) |
| C12H22CaO14 · H2O (monohydrate) |
| Molecular weight | 430,38 (anhydrous form) |
| 448,39 (monohydrate) |
| Assay | Content not less than 98,0 % and not more than 102 % on the anhydrous and monohydrate basis |
| Description | Odourless, white crystalline granules or powder, stable in air |
| Identification | |
A.Positive test for calcium and for gluconate | |
B.Solubility | Soluble in water, insoluble in ethanol |
C.pH of a 5 % solution | Between 6,0 and 8,0 |
| Purity | |
| Loss on drying | Not more than 3,0 % (105 oC, 16h) (anhydrous) |
| Not more than 2,0 % (105 oC, 16h) (monohydrate) |
| Reducing substances | Not more than 1,0 % (as D-glucose) |
| Lead | Not more than 2 mg/kg |