Cerium Oxide 99.9%
Cerium Oxide 99.9%, code 5895
Formula: CeO2
CAS No.: 1306-38-3
Molecular Weight: 172.12
Density: 7.22 g/cm3
Melting point: 2,400° C
Appearance: Yellow to tan powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly  hygroscopic
Multilingual: Cerium Oxide, Oxyde De Cerium, Oxido De Cerio
Cerium Oxide 99.9% is utilized in the manufacturing of medical glassware and aerospace windows. It is also used to prevent polymers from darkening in sunlight and to suppress discoloration of television glass. The other applcation is used for making ceramics and crystal.
Products available
Product Code: 5895 Standard Specification Typical Analysis Inspection Methods
Grade 99.9% 99.9%  
CHEMICAL COMPOSITION
CeO2/TREO (% min.) 99.9 99.9
TREO (% min.) 99 99 Volumetric Method
Loss on ignition (% max.) 1 0.7
Rare Earth Impurities % max. %
La2O3/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Y2O3/TREO		 0.1
0.1
0.05
0.01
0.01		 0.03
0.01
0.005
0.005
0.005		 ICP-Atomic Emission
Spectrographic
Non-Rare Earth Impurities % max. %
Fe2O3
SiO2
CaO
PbO
Al2O3
NiO
CuO		 0.02
0.03
0.05		 0.01
0.02
0.03		 Spectrographic

Atomic Absorption Spectrographic
The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at Request for Quotation, you will receive our prompt reply within 24 hours.