Chromium(III) Oxide

Cr₂O₃

IUPAC: Chromium(III) oxide

CAS: 1308-38-9

Tổng quan

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.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Oxygen O 3 15,9990
Chromium Cr 2 51,9960

Thành phần nguyên tố

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

Công dụng

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

Sự thật thú vị

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

Structure

SMILES

O=[Cr]O[Cr]=O

Tính chất

Loại
oxide
Trạng thái
solid
Khối lượng mol
151,99 g/mol
Mật độ
5,2200 g/cm³
Điểm nóng chảy
2435,0 °C
Điểm sôi
4000,0 °C
Độ hòa tan
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

Hợp chất liên quan

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).