Cerium(IV) Oxide

CeO₂

IUPAC: Cerium(IV) oxide

CAS: 1306-38-3

نظرة عامة

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.

التركيب

العنصر الرمز الذرات الكتلة الذرية
Oxygen O 2 15,9990
Cerium Ce 1 140,1200

التركيب العنصري

O
18,6%
Ce
81,4%

الاستخدامات

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

حقائق مثيرة

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

السلامة

  • ⚠ Low toxicity
  • ⚠ Dust inhalation should be avoided

Structure

SMILES

O=[Ce]=O

الخصائص

النوع
oxide
الحالة
solid
الكتلة المولية
172,12 g/mol
الكثافة
7,2150 g/cm³
نقطة الانصهار
2400,0 °C
الذوبانية
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

يُعرف أيضاً بـ

Ceria Cerium dioxide

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).