Calcium Phosphate

Ca₃(PO₄)₂

IUPAC: Tricalcium phosphate

CAS: 7758-87-4

Overview

Tricalcium phosphate is the main mineral component of bone and tooth enamel. Hydroxyapatite, its natural form, makes up about 70% of bone mass.

Composition

Element Symbol Atoms Atomic Mass
Oxygen O 8 15.9990
Phosphorus P 2 30.9740
Calcium Ca 3 40.0780

Elemental Composition

O
Oxygen ×8
41.3%
P
Phosphorus ×2
20.0%
Ca
Calcium ×3
38.8%

Uses

  • • Bone and dental implant
  • • Food additive (anti-caking)
  • • Fertilizer
  • • Calcium supplement

Fun Facts

  • ✦ Your skeleton stores about 1 kg of calcium phosphate, continuously remodeled throughout life

Structure

SMILES

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

Properties

Type
salt
State
solid
Molar Mass
310.18 g/mol
Density
3.1400 g/cm³
Melting Point
1670.0 °C
Solubility
0.002 g/L at 25°C

Molecular Descriptors

Exact Mass
309.7946
TPSA
173.0 Ų
H-Bond Donors
0
H-Bond Acceptors
8
Rotatable Bonds
0
Heavy Atoms
13
Complexity
36.0

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 Calcium Phosphate?
Calcium Phosphate (Ca₃(PO₄)₂) is a salt compound with the IUPAC name Tricalcium phosphate.
What is the molecular weight of Calcium Phosphate?
Calcium Phosphate has a molar mass of 310.18 g/mol.
What state is Calcium Phosphate at room temperature?
Calcium Phosphate is a solid at room temperature.
Is Calcium Phosphate organic or inorganic?
Calcium Phosphate is classified as an inorganic compound.
What elements make up Calcium Phosphate?
Calcium Phosphate (Ca₃(PO₄)₂) is composed of Oxygen (O), Phosphorus (P), Calcium (Ca).