Magnesium Carbonate

MgCO₃

IUPAC: Magnesium carbonate

CAS: 546-93-0

Overview

Magnesium carbonate occurs naturally as the mineral magnesite. It is used as a drying agent, antacid, and in athletic chalk for grip.

Composition

Element Symbol Atoms Atomic Mass
Carbon C 1 12.0110
Oxygen O 3 15.9990
Magnesium Mg 1 24.3050

Elemental Composition

C
Carbon ×1
14.2%
O
Oxygen ×3
56.9%
Mg
Magnesium ×1
28.8%

Uses

  • • Antacid
  • • Athletic chalk
  • • Fire retardant
  • • Filler in paper and rubber

Fun Facts

  • ✦ Rock climbers and gymnasts use it as chalk to improve grip

Structure

SMILES

C(=O)([O-])[O-].[Mg+2]

Properties

Type
salt
State
solid
Molar Mass
84.31 g/mol
Density
2.9580 g/cm³
Melting Point
350.0 °C
Solubility
0.18 g/L at 25°C

Molecular Descriptors

Exact Mass
83.9698
TPSA
63.2 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
5
Complexity
18.0

Related Compounds

Ammonium Bicarbonate

NH₄HCO₃

Ammonium Chloride

NH₄Cl

Ammonium Sulfate

(NH₄)₂SO₄

Barium Carbonate

BaCO₃

Barium Chloride

BaCl₂

Barium Sulfate

BaSO₄

Cadmium Sulfide

CdS

Calcium Acetate

Ca(C₂H₃O₂)₂

Calcium Carbonate

CaCO₃

Calcium Citrate

Ca₃(C₆H₅O₇)₂

Frequently Asked Questions

What is Magnesium Carbonate?
Magnesium Carbonate (MgCO₃) is a salt compound with the IUPAC name Magnesium carbonate.
What is the molecular weight of Magnesium Carbonate?
Magnesium Carbonate has a molar mass of 84.31 g/mol.
What state is Magnesium Carbonate at room temperature?
Magnesium Carbonate is a solid at room temperature.
Is Magnesium Carbonate organic or inorganic?
Magnesium Carbonate is classified as an inorganic compound.
What elements make up Magnesium Carbonate?
Magnesium Carbonate (MgCO₃) is composed of Carbon (C), Oxygen (O), Magnesium (Mg).