| Formula / Notation | MgCO3 |
|---|---|
| CAS Number | 546-93-0 |
| Molecular Weight | 84.31 |
| Melting Point | 662 °F (Decomposes) (NIOSH, 2024) |
| Boiling Point | Decomposes (NIOSH, 2024) |
| Density | 2.96 (NIOSH, 2024) - Denser than water; will sink |
| Solubility | 0.01 % (NIOSH, 2024) |
| Appearance | Magnesite appears as white, yellowish, grayish-white or brown crystalline solid or crystalline powder. Density: 3-3.1 g cm-3. An important ore for magnesium. Used in the manufacture of materials ca... |
| Also Known As | 546-93-0; Magnesite; Magnesium carbonate anhydrous; Kimboshi; Magmaster; Apolda; Destab; Magfy; Carbonate magnesium; Carbonic acid, magnesium salt (1:1) |
| Category | Salts |
What is Magnesium carbonate?
Magnesium carbonate is a magnesium salt with formula CMgO3. Its hydrated forms, particularly the di-, tri-, and tetrahydrates occur as minerals. It has a role as a fertilizer and an antacid. It is an organic magnesium salt, a magnesium salt, a carbonate salt and a one-carbon compound.
Formula & Notation
IUPAC Name: magnesium carbonate
Other Names / Synonyms: 546-93-0; Magnesite; Magnesium carbonate anhydrous; Kimboshi; Magmaster; Apolda; Destab; Magfy; Carbonate magnesium; Carbonic acid, magnesium salt (1:1)
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 662 °F (Decomposes) (NIOSH, 2024) |
| Boiling Point | Decomposes (NIOSH, 2024) |
| Density | 2.96 (NIOSH, 2024) - Denser than water; will sink |
| Molecular Weight | 84.31 |
| Solubility | 0.01 % (NIOSH, 2024) |
| Appearance | Magnesite appears as white, yellowish, grayish-white or brown crystalline solid or crystalline powder. Density: 3-3.1 g cm-3. An important ore for magnesium. Used in the manufacture of materials ca... |
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
Magnesium carbonate is a magnesium salt with formula CMgO3. Its hydrated forms, particularly the di-, tri-, and tetrahydrates occur as minerals. It has a role as a fertilizer and an antacid. It is an organic magnesium salt, a magnesium 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 Magnesium carbonate is: MgCO3