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Cerium oxide

Cerium oxide Structure
Cerium oxide structure
CAS No.
1345-13-7
Chemical Name:
Cerium oxide
Synonyms
dicerium trioxide;ci77280;c.i.77280;cerousoxide;Cerium oxide;Cer(III)-oxid;ceriumtrioxide;Caesium oxide;Cerium(Ⅳ) oxide;cerium(iii)oxide
CBNumber:
CB5242913
Molecular Formula:
Ce2O3
Molecular Weight:
328.23
MDL Number:
MFCD00049421
MOL File:
1345-13-7.mol
MSDS File:
SDS
Last updated:2026-09-12 18:53:23
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Cerium oxide Properties

Melting point 2600℃
Density 7.132
solubility insoluble in H2O; soluble in acid solutions
form yellow-green cubic crystals
color yellow-green cubic crystals, crystalline
PH ~4
Water Solubility insoluble H2O; soluble H2SO4; insoluble HCl [CRC10]
Thermal Conductivity 11.715 W/(m·K)
Specific Heat Capacity Cp(crystal): 0.35 J/(g·K), at 25℃
Crystal Structure La2O3 type
crystal system Three sides
Space group P3m1
Lattice constant
a/nmb/nmc/nmα/oβ/oγ/oV/nm3
0.38910.38910.605990901200.0794
InChI 1S/Ce.2O
InChIKey CETPSERCERDGAM-UHFFFAOYSA-N
SMILES O=[Ce]=O
FDA UNII 82Q2098IFG
EPA Substance Registry System Cerium oxide (Ce2O3) (1345-13-7)
UNSPSC Code 12352302
NACRES NA.23

SAFETY

Risk and Safety Statements

Symbol(GHS)  Environment (GHS09)
GHS09
Signal word  Warning
Hazard statements  H410-H400
Precautionary statements  P273-P391-P501-P273-P391-P501
WGK Germany  WGK 1
TSCA  TSCA listed
Storage Class 10 - Combustible liquids
Hazardous Substances Data 1345-13-7(Hazardous Substances Data)
REACH Registrations Active

Cerium oxide price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Arctom AS676284 Cerium oxide 95% 1345-13-7 1g $583 2021-12-16 Buy
Product number Packaging Price Buy
AS676284 1g $583 Buy

Cerium oxide Chemical Properties,Uses,Production

Chemical Properties

-100 mesh golden green with 99.9% purity; trig; can be prepared by heating powder(s) carbon and CeO2 at 1250°C in CO atmospheric [KIR78] [CER91]

Uses

The compound cerium oxide (either Ce2O3 or CeO2) is used to coat the inside of ovens because it was discovered that food cannot stick to oven walls that are coated with cerium oxide.

Flammability and Explosibility

Not classified

Synthesis

Dicerium trioxide can be produced by reducing cerium dioxide at high temperatures. For example, when carbon monoxide is used as the reducing agent, the reaction formula is:

4 CeO2 + 2 CO 2 Ce2O3 + 2 CO2 

Cerium oxide Preparation Products And Raw materials

Raw materials

Carbon Cerium dioxide

Preparation Products

Cerium oxide Suppliers

Global( 56)Suppliers
Supplier Tel Email Country ProdList Advantage
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
JinYan Chemicals(ShangHai) Co.,Ltd. 13817811078 sales@jingyan-chemical.com China 9963 60
Chengdu RunZeBenTu Chemical Co., Ltd 028-88469284 18000562381; rzbtsj@163.com China 9939 56
Guangdong wengjiang Chemical Reagent Co., Ltd. 0751-2815688 13927872512 3007421951@qq.com China 9996 58
Henan Alfa Chemical Co., Ltd +8618339805032 sale03@alfachem.cn China 9872 58
Hebei Yanxi Chemical Co., Ltd. +86-17531190177 faithe@yan-xi.com China 5838 58
Shaanxi Dideu Medichem Co. Ltd +86-29-81139210 +86-17392587031 1059@dideu.com China 9983 58
Career Henan Chemica Co +86-0371-86658258 +86-13203830695 laboratory@coreychem.com China 30203 58
Chongqing Chemdad Co., Ltd +86-023-6139-8061 +86-86-13650506873 sales@chemdad.com China 39866 58
Shanghai Jiegu Biotechnology Co., Ltd. 021-51698675 sales@jiejiegroup.com China 8195 58
Supplier Advantage
Beijing Ouhe Technology Co., Ltd 60
JinYan Chemicals(ShangHai) Co.,Ltd. 60
Chengdu RunZeBenTu Chemical Co., Ltd 56
Guangdong wengjiang Chemical Reagent Co., Ltd. 58
Henan Alfa Chemical Co., Ltd 58
Hebei Yanxi Chemical Co., Ltd. 58
Shaanxi Dideu Medichem Co. Ltd 58
Career Henan Chemica Co 58
Chongqing Chemdad Co., Ltd 58
Shanghai Jiegu Biotechnology Co., Ltd. 58

View Lastest Price from Cerium oxide manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
CERIUM OXIDE pictures 2026-09-13 CERIUM OXIDE
1345-13-7
 0.99 RongNa Biotechnology Co.,Ltd
CERIUM OXIDE pictures 2025-06-20 CERIUM OXIDE
1345-13-7
 $3.00-10.00 1kg 0.99 10 tons Hebei Yanxi Chemical Co., Ltd.
  • CERIUM OXIDE pictures
  • CERIUM OXIDE
    1345-13-7
  • $3.00-10.00
  • 0.99
  • Hebei Yanxi Chemical Co., Ltd.

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c.i.77280 cerium(iii)oxide Cerium(Ⅳ) oxide CERIUM(III) OXIDE, 99.99% ceriumoxide(ce2o3) ceriumoxide[ce2o3] ceriumsesquioxide ceriumtrioxide cerousoxide ci77280 Caesium oxide Heat sistant liquid silicone rubber Cer(III)-oxid CERIUM OXIDE ISO 9001：2015 REACH Cerium oxide (Ce2O3) (6CI, 8CI, 9CI, ACI) dicerium trioxide Nano Cerium Dioxide Thermal Cerium oxide 1345-13-7