Cerium Oxide 99.99%
Cerium Oxide 99.99%, code 5893
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 99.99% is applied in a hydrocarbon catalyst in self cleaning ovens, incorporated into oven walls and as a petroleum cracking catalyst in petroleum refining. It is applied to manufacture phosphors and polishing powder.
Products available
Product Code: 5893 Standard Specification Typical Analysis Inspection Methods
Grade 99.99% 99.99%  
CHEMICAL COMPOSITION
CeO2/TREO (% min.) 99.99 99.99
TREO (% min.) 99 99 Volumetric Method
Loss on ignition (% max.) 1 0.5
Rare Earth Impurities ppm max. ppm
La2O3/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Y2O3/TREO		 50
50
20
10
10		 50
50
10
10
10		 ICP-Atomic Emission
Spectrographic
Non-Rare Earth Impurities ppm max. ppm
Fe2O3
SiO2
CaO
PbO
Al2O3
NiO
CuO		 20
100
100
10		 10
80
50
5		 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.