산화세륨(IV)

CeO₂

IUPAC: Cerium(IV) oxide

CAS: 1306-38-3

개요

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.

구성

원소 기호 원자 원자 질량
산소 O 2 15.9990
세륨 Ce 1 140.1200

원소 구성

O
18.6%
Ce
81.4%

용도

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

흥미로운 사실

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

안전

  • ⚠ Low toxicity
  • ⚠ Dust inhalation should be avoided

구조

SMILES

O=[Ce]=O

성질

유형
oxide
상태
solid
몰 질량
172.12 g/mol
밀도
7.2150 g/cm³
녹는점
2400.0 °C
용해도
insoluble

분자 기술자

정확 질량
171.8953
TPSA
34.1 Ų
수소결합 주개
0
수소결합 받개
2
회전 가능 결합
0
중원자
3
복잡도
18.0

다른 이름

Ceria Cerium dioxide

Frequently Asked Questions

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