Iron(III) Oxide

Fe₂O₃

IUPAC: Iron(III) oxide

CAS: 1309-37-1

概要

Iron(III) oxide, commonly known as rust or hematite, is a reddish-brown solid. It is the most common iron ore and gives Mars its red color.

組成

元素 記号 原子 原子質量
Oxygen O 3 15.9990
Iron Fe 2 55.8450

元素組成

O
30.1%
Fe
Iron ×2
69.9%

用途

  • Iron production
  • Pigment (red ochre)
  • Polishing compound

豆知識

  • Fe₂O₃ is responsible for the red color of Mars, earning it the nickname 'Red Planet'

Structure

SMILES

O=[Fe]O[Fe]=O

特性

タイプ
oxide
状態
solid
モル質量
159.69 g/mol
密度
5.2400 g/cm³
融点
1565.0 °C
溶解度
Insoluble

Molecular Descriptors

Exact Mass
159.8546
TPSA
43.4 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
5
Complexity
34.0

Frequently Asked Questions

What is Iron(III) Oxide?
Iron(III) Oxide (Fe₂O₃) is a oxide compound with the IUPAC name Iron(III) oxide.
What is the molecular weight of Iron(III) Oxide?
Iron(III) Oxide has a molar mass of 159.69 g/mol.
What state is Iron(III) Oxide at room temperature?
Iron(III) Oxide is a solid at room temperature.
Is Iron(III) Oxide organic or inorganic?
Iron(III) Oxide is classified as an inorganic compound.
What elements make up Iron(III) Oxide?
Iron(III) Oxide (Fe₂O₃) is composed of Oxygen (O), Iron (Fe).