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Calcium carbonate
| General | |
|---|---|
| Name | Calcium carbonate |
| Chemical formula | CaCO3 |
| Appearance | White solid |
| Physical | |
| Formula weight | 100.1 amu |
| Melting point | Liquifies under high pressure at 1612 K (1339 °C) |
| Boiling point | decomposes at 1172 K (899 °C) |
| Density | 2.7 ×103 kg/m3 |
| Crystal structure | Calcite or aragonite |
| Solubility | 0.0013 g in 100g water |
| Thermochemistry | |
| ΔfH0liquid | -1154 kJ/mol |
| ΔfH0solid | -1207 kJ/mol |
| S0solid | 93 J/mol·K |
| Safety | |
| Ingestion | Low hazard for accidental injestion. |
| Inhalation | Low hazard, may cause problems in the long term. |
| Skin | Low hazard. |
| Eyes | Low hazard. |
| More info | Hazardous Chemical Database (http://ull.chemistry.uakron.edu/erd/chemicals/11/10226) |
| SI units were used where possible. Unless otherwise stated, standard conditions were used. | |
Calcium carbonate is a chemical compound, with chemical formula CaCO3.
It is a common substance found as rock in all parts of the world and is the main component of animal bones and teeth.
As rock, it is found in the following states:
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