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Lanthanum Oxide Powder, La2O3, CAS 1312-81-8

HTRE1175

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Lanthanum Oxide (La2O3) Powder is applied in petroleum and environment protection catalysts, mischmetal, polishing powders, and Rare Earth fertilizers. HM provides the best Lanthanum Oxide (La2O3) Powder at a competitive price. The purity and particle size can be customized.

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Data sheet

Molecular FormulaLa2O3
Molecular Weight325.82
Purity99.9999%/99.999%/99.995%/99.99%/99.9%/99%
CAS1312-81-8
SynonymsLanthanum Oxide/OX57-4N5/LanthanOxid/Oxyde De Lanthane/Oxido De Lanthano

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Lanthanum Oxide (La2O3) Powder is a white, water-insoluble powder with a hexagonal crystal structure. HM stocks a wide variety of rare earth materials for use in electronics, petrochemicals, metallurgy, machinery, energy, environmental protection, agriculture, and other fields. We also offer pure metals and compounds for R&D applications.

Lanthanum Oxide Powder, La2O3, CAS 1312-81-8

  • EINECS No.: 215-200-5
  • Density 6.51 g/cm3
  • Melting point: 2315 °C (4199 °F, 2588 K)
  • Boiling point: 4200 °C (7590 °F, 4470 K)
  • Bandgap: 4.3 eV
  • Magnetic susceptibility (χ):  −78.0·10−6 cm3/mol

Lanthanum Oxide (La2O3) Powder Specifications

OX57-6NOX57-5NOX57-4N5OX57-4NOX57-3NOX57-2N
Grade99.9999%99.999%99.995%99.99%99.9%99%
CHEMICAL COMPOSITION      
La2O3/TREO (% min.)99.999999.99999.99599.9999.999
TREO (% min.)99.59999989898
Loss on ignition (% max.)111222
Rare Earth Impuritiesppm max.ppm max.ppm max.ppm max.% max.% max.
CeO2
Pr6O11
Nd2O3
Sm2O3
Eu2O3
Gd2O3
Y2O3		0.5
0.5
0.5
0.2
0.2
0.2
0.5		3
3
2
2
2
2
5		5
5
5
5
5
5
5		50
50
50
10
10
10
10		0.05
0.02
0.02
0.01
0.001
0.001
0.01		0.5
0.1
0.1
0.1
0.1
0.1
0.1
Non-Rare Earth Impuritiesppm max.ppm max.ppm max.ppm max.% max.% max.
Fe2O3
SiO2
CaO
CoO
NiO
CuO
MnO2
Cr2O3
CdO
PbO		1
10
10
2
2
2
2
2
5
5		2
50
50
2
2
2
2
2
5
5		10
50
50
2
2
2
2
3
5
10		50
100
100
5
5
3
5
3
5
50		0.01
0.05
0.2		0.02
0.1
0.5

Lanthanum Oxide (La2O3) Powder SEM

La2O3 XRD

Lanthanum Oxide (La2O3) Powder Applications

  • Used in making special optical glasses to improve the alkali resistance of glass
  • Used in La-Ce-Tb phosphors for fluorescent lamps 
  • Used in ceramics and FCC catalysts
  • Used as raw material for Lanthanum Metal production;
  • Used as a grain growth additive during the liquid phase sintering of Silicon Nitride and Zirconium Diboride

Lanthanum Oxide (La2O3) Powder Storage and Packing

Lanthanum Oxide (La2O3) Powder should be kept sealed and stored in a dry, cool, and well-ventilated place and separately from flammable materials and reducing agents, avoiding dampness and keeping away from fire and heat sources. The vacuum-sealed packing is 100g/bag, 500g/bag, 1kg/bag, 25kg/drum, or as required.

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