Chromium(III) Oxide

Cr₂O₃

IUPAC: Chromium(III) oxide

CAS: 1308-38-9

Übersicht

Chromium(III) oxide is a stable green pigment known as chrome green. It is one of the most durable inorganic pigments with excellent heat and chemical resistance.

Zusammensetzung

Element Symbol Atome Atommasse
Oxygen O 3 15,9990
Chromium Cr 2 51,9960

Elementare Zusammensetzung

O
Oxygen ×3
31,6%
Cr
Chromium ×2
68,4%

Verwendung

  • • Green pigment
  • • Abrasive
  • • Metallurgical flux
  • • Catalyst

Wissenswertes

  • ✦ Used to color the US dollar bill and military camouflage

Structure

SMILES

O=[Cr]O[Cr]=O

Eigenschaften

Typ
oxide
Zustand
solid
Molmasse
151,99 g/mol
Dichte
5,2200 g/cm³
Schmelzpunkt
2435,0 °C
Siedepunkt
4000,0 °C
Löslichkeit
insoluble

Molecular Descriptors

Exact Mass
151,8658
TPSA
43,4 Ų
H-Bond Donors
0
H-Bond Acceptors
3
Rotatable Bonds
0
Heavy Atoms
5
Complexity
34,0

Verwandte Verbindungen

Bismuth(III) Oxide

Bi₂O₃

Carbon Monoxide

CO

Chromium Trioxide

CrO₃

Cobalt(II) Oxide

CoO

Copper(I) Oxide

Cu₂O

Lithium Nickel Manganese Cobalt Oxide

LiNi₀.₃₃Mn₀.₃₃Co₀.₃₃O₂

Gallium(III) Oxide

Ga₂O₃

Aluminum Oxide

Al₂O₃

Antimony Trioxide

Sb₂O₃

Cadmium Oxide

CdO

Frequently Asked Questions

What is Chromium(III) Oxide?
Chromium(III) Oxide (Cr₂O₃) is a oxide compound with the IUPAC name Chromium(III) oxide.
What is the molecular weight of Chromium(III) Oxide?
Chromium(III) Oxide has a molar mass of 151.99 g/mol.
What state is Chromium(III) Oxide at room temperature?
Chromium(III) Oxide is a solid at room temperature.
Is Chromium(III) Oxide organic or inorganic?
Chromium(III) Oxide is classified as an inorganic compound.
What elements make up Chromium(III) Oxide?
Chromium(III) Oxide (Cr₂O₃) is composed of Oxygen (O), Chromium (Cr).