Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.
Carbonic acid calcium salt (CaCO3). An odorless, tasteless powder or crystal that occurs in nature. It is used therapeutically as a phosphate buffer in hemodialysis patients and as a calcium supplement.
| Physical Description | Calcium carbonate appears as white, odorless powder or colorless crystals. Practically insoluble in water. Occurs extensive in rocks world-wide. Ground calcium carbonate (CAS: 1317-65-3) results di… |
| Color/Form | White hexagonal crystals or powder (Calcite); white orthrombic crystals or powder (Argonite); colorless hexagonal crystals (vaterite) |
| Odor | Odorless |
| Melting Point | 1517 to 2442 °F (Decomposes) (NIOSH, 2024) |
| Boiling Point | Decomposes (NIOSH, 2024) |
| Density | 2.7 to 2.95 (NIOSH, 2024) |
| Solubility | 0.001 % (NIOSH, 2024) |
| Vapor Pressure | 0 mmHg (approx) (NIOSH, 2024) |
| Refractive Index | Index of Refraction: 1.7216 (300 nm); 1.6584 (589 nm); 1.6503 (750 nm) /Calcite/ |
| Stability/Shelf Life | Indefinite shelflife. |
| IUPAC Name | calcium carbonate |
| Molecular Formula | CCaO3 |
| Molecular Weight | 100.09 g/mol |
| CAS | 471-34-1 |
| SMILES | C(=O)([O-])[O-].[Ca+2] |
| InChIKey | VTYYLEPIZMXCLO-UHFFFAOYSA-L |
| Catalog No | KC.310036 |
| Pack sizes | 500GM · 5KG |