Calcium Carbonate

CaCO₃

IUPAC: Calcium carbonate

CAS: 471-34-1

Overview

Calcium carbonate is found in limestone, marble, chalk, and seashells. It is the most common calcium compound in nature.

Composition

Element Symbol Atoms Atomic Mass
Carbon C 1 12.0110
Oxygen O 3 15.9990
Calcium Ca 1 40.0780

Elemental Composition

C
Carbon ×1
12.0%
O
Oxygen ×3
48.0%
Ca
Calcium ×1
40.0%

Uses

  • • Cement production
  • • Antacid (Tums)
  • • Paper filler
  • • Toothpaste abrasive

Fun Facts

  • ✦ The White Cliffs of Dover are made almost entirely of calcium carbonate from ancient marine organisms

Structure

SMILES

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

Properties

Type
salt
State
solid
Molar Mass
100.09 g/mol
Density
2.7100 g/cm³
Melting Point
825.0 °C
Solubility
0.013 g/L at 25°C

Molecular Descriptors

Exact Mass
99.9473
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 Citrate

Ca₃(C₆H₅O₇)₂

Calcium Fluoride

CaF₂

Frequently Asked Questions

What is Calcium Carbonate?
Calcium Carbonate (CaCO₃) is a salt compound with the IUPAC name Calcium carbonate.
What is the molecular weight of Calcium Carbonate?
Calcium Carbonate has a molar mass of 100.09 g/mol.
What state is Calcium Carbonate at room temperature?
Calcium Carbonate is a solid at room temperature.
Is Calcium Carbonate organic or inorganic?
Calcium Carbonate is classified as an inorganic compound.
What elements make up Calcium Carbonate?
Calcium Carbonate (CaCO₃) is composed of Carbon (C), Oxygen (O), Calcium (Ca).