Cerium(IV) Oxide

CeO₂

IUPAC: Cerium(IV) oxide

CAS: 1306-38-3

Tổng quan

Cerium(IV) oxide is the most commercially important compound of cerium, the most abundant rare earth element. It is used as a polishing agent for glass and as a key component in automotive catalytic converters. It can store and release oxygen reversibly.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Oxygen O 2 15,9990
Cerium Ce 1 140,1200

Thành phần nguyên tố

O
Oxygen ×2
18,6%
Ce
Cerium ×1
81,4%

Công dụng

  • • Glass polishing agent
  • • Catalytic converter component
  • • Diesel fuel additive
  • • UV-absorbing coating

Sự thật thú vị

  • ✦ Nearly every piece of precision optical glass has been polished with cerium oxide

An toàn

  • ⚠ Low toxicity
  • ⚠ Dust inhalation should be avoided

Structure

SMILES

O=[Ce]=O

Tính chất

Loại
oxide
Trạng thái
solid
Khối lượng mol
172,12 g/mol
Mật độ
7,2150 g/cm³
Điểm nóng chảy
2400,0 °C
Độ hòa tan
insoluble

Molecular Descriptors

Exact Mass
171,8953
TPSA
34,1 Ų
H-Bond Donors
0
H-Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
3
Complexity
18,0

Còn được gọi là

Ceria Cerium dioxide

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 Cerium(IV) Oxide?
Cerium(IV) Oxide (CeO₂) is a oxide compound with the IUPAC name Cerium(IV) oxide.
What is the molecular weight of Cerium(IV) Oxide?
Cerium(IV) Oxide has a molar mass of 172.115 g/mol.
What state is Cerium(IV) Oxide at room temperature?
Cerium(IV) Oxide is a solid at room temperature.
Is Cerium(IV) Oxide organic or inorganic?
Cerium(IV) Oxide is classified as an inorganic compound.
What elements make up Cerium(IV) Oxide?
Cerium(IV) Oxide (CeO₂) is composed of Oxygen (O), Cerium (Ce).