Rare Earth Product Information
& Standard Specifications
product details
Lanthanum Oxide
Lanthanum Oxide

Lanthanum Oxide, also called Lanthana, high purity Lanthanum Oxide (99.99% to 99.999%) is applied in making special optical glasses to improves the alkali resistance of glass, and also in La-Ce-Tb phosphors for fluorescent lamps. Low grade of Lanthanum Oxide is widely used in ceramics and FCC catalyst, and also as raw material for Lanthanum Metal production.

Formula La2O3
CAS No. 1312-81-8
Molecular Weight 325.82
Appearance White
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Strongly hygroscopic
GermanLanthanOxidFrenchOxyde De Lanthane SpanishOxido De Lanthano
Standard Specifications
Product Code 5791 5792 5793 5795 5797
Grade 99.999% 99.995%  99.99%  99.9% 99%
CHEMICAL COMPOSITION          
La2O3/TREO (% min.) 99.999 99.995 99.99 99.9 99
TREO (% min.) 99 99 99 98 98
Loss on ignition (% max.) 1.0 1.0 1.0 2.0 2.0
Rare Earth Impurities % max. % max. % max. % max. % max.
CeO2/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Eu2O3/TREO
Gd2O3/TREO
Y2O3/TREO		 0.0002
0.0002
0.0001
0.0001
0.0001
0.0001
0.0005		 0.0005
0.0005
0.0005
0.0005
0.0005
0.0005
0.0005		 0.005
0.005
0.001
0.001
0.001
0.001
0.005		 0.05
0.01
0.01
0.01
0.001
0.001
0.005		 0.5
0.1
0.1
0.01
0.01
0.01
0.1
Non-Rare Earth Impurities % max. % max. % max. % max. % max.
Fe2O3
SiO2
CaO
CoO
NiO
CuO
MnO2
Cr2O3
CdO
PbO

 		0.0001
0.005
0.005
0.0002
0.0002
0.0002
0.0002
0.0002
0.0005
0.0005
 0.0002
0.005
0.005
0.0002
0.0002
0.0002
0.0002
0.0003
0.0005
0.001
0.0005
0.01
0.01
0.0005
0.0005
0.0003
0.0005
0.0003
0.0005
0.001
 0.005
0.05
0.05
 0.01
0.05
0.05
Particle size
(D50, microns)		 2.0-6.0 50.0-60.0 2.0-7.0    
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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 the product's grade, or Send An Enquiry, you will receive our prompt reply within 24 hours.

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