IRON(II, III) OXIDE - (1317-61-9)

Introduction

Name: iron(II, III) oxide; triiron tetroxide
* IUPAC
CAS Number: 1317-61-9
Chemical Formula: Fe3O4
Molar Mass: 231.5326 g
Mass Percent: Fe 72.359 %; O 27.640 % 

Classification

• inorganic

Bonding

Bonding: polar covalent
Ionic Character: 48.79 %

Thermochemistry

ΔHf° (s magnetite): -267.3 kcal/mol 1 = -1,118.38 kJ/mol
S° (s magnetite): 35.0 cal/(mol•K) 2 = 146.44 J/(mol•K)
ΔGf° (s magnetite): -242.7 kcal/mol 3 = -1,015.46 kJ/mol

Reactions

For More Information

Sources

(1) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(2) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(3) - Dean, John A. Lange's Handbook of Chemistry, 12th ed.; McGraw-Hill Book Company: New York, NY, 1979; p 9:4-9:94.
(4) - Silberberg, Martin S. Chemistry: The Molecular Nature of Matter and Change 4th ed.; McGraw-Hill: Boston, MA, 2006; p 127.
(5) - Swaddle, T.W. Inorganic Chemistry; Academic Press: San Diego, 1997; p 349.