| Formula / Notation | CaCO3 |
|---|---|
| CAS Number | 471-34-1 |
| Molecular Weight | 100.09 |
| 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) |
| Appearance | 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... |
| Also Known As | 471-34-1; Aeromatt; Calcium carbonate (1:1); Carbonic acid calcium salt (1:1); Calofort U; Albaglos; Aragonite; Calcicoll; Calseeds; Caltrate |
| Category | Salts |
What is Calcium carbonate?
Calcium carbonate is a calcium salt with formula CCaO3. It has a role as a fertilizer, an antacid, a food colouring and a food firming agent. It is an inorganic calcium salt, a calcium salt, a carbonate salt and a one-carbon compound.
Formula & Notation
IUPAC Name: calcium carbonate
Other Names / Synonyms: 471-34-1; Aeromatt; Calcium carbonate (1:1); Carbonic acid calcium salt (1:1); Calofort U; Albaglos; Aragonite; Calcicoll; Calseeds; Caltrate
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 1517 to 2442 °F (Decomposes) (NIOSH, 2024) |
| Boiling Point | Decomposes (NIOSH, 2024) |
| Density | 2.7 to 2.95 (NIOSH, 2024) |
| Molecular Weight | 100.09 |
| Solubility | 0.001 % (NIOSH, 2024) |
| Appearance | 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... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Calcium carbonate is a calcium salt with formula CCaO3. It has a role as a fertilizer, an antacid, a food colouring and a food firming agent. It is an inorganic calcium salt, a calcium salt, a carbonate salt and a one-carbon compound.
Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.
Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.
The formula or notation for Calcium carbonate is: CaCO3