99.99% Cerium oxide CAS 1036-38-3

Short Description:

Chemical name: Cerium oxide
Other name: Cerium(IV) oxide, Cerium dioxide, Ceric oxide, Ceric oxide, ceria
CAS No.: 1036-38-3
Purity: 99.99%
Molecular Formula: CeO2
Molecular Weight: 172.11
Chemical Properties: Cerium oxide is a light yellow powder, insoluble in water and difficult to soluble in mineral acids. Used for glass polishing compounds, precipitating and decoloring agents and also used in ceramic, catalysts and electronics industries, etc.

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Specification

Cerium oxide	3N	3.5N	4N
TREO %	≥99	≥99	≥99
Cerium purity and relative rare earth impurities
CeO2/TREO %	99.9	99.95	99.995
La2O3/TREO %	≤0.08	≤0.04	≤0.004
Pr6O11/TREO %	≤0.01	≤0.01	≤0.003
Nd2O3/TREO %	≤0.005	≤0.005	≤0.001
Sm2O3/TREO %	≤0.004	≤0.005	≤0.002
Y2O3/TREO %	≤0.0001	≤0.001	≤0.001
Non rare earth impurities
Fe2O3 %	≤0.005	≤0.005	≤0.002
SiO2 %	≤0.02	≤0.015	≤0.01
CaO %	≤0.01	≤0.005	≤0.005
Cl %	≤0.06	≤0.06	≤0.05
SO₄%	≤0.06	≤0.06	≤0.05
Radioactive	1Bq/g

Application

Mainly used as the glass decolorizing agent and the glass polishing powder. Also used as the raw material in making metal cerium. High purity Cerium dioxide is very important in the applications of rare earth fluorescent materials.