Chemical Product Library / Reference
Calcium carbonate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Calcium carbonate |
|---|---|
| English synonyms | Precipitated calcium carbonate;Ground calcium carbonate;Limestone |
| Chinese name | 碳酸钙 |
| Chinese synonyms | 轻质碳酸钙;重质碳酸钙;方解石粉 |
| Chemical category | Inorganic Salts |
| CAS No. | 471-34-1 |
| EINECS No. | 207-439-9 |
| Molecular formula | CaCO3 |
| Molecular weight | 100.09 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
CaCO3 content ≥98.0%; loss on ignition 43.0–45.0%; water-soluble matter ≤0.5%; residue on 325 mesh according to grade
Performance characteristics
White powder, insoluble in water, soluble in acids with CO2 evolution
Application scenarios
Plastics filler, paper coating, paints, construction materials, food calcium supplement, pharmaceuticals