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Lanthanum Oxide

• Category :

  Organic chemicals and Derivatives

• Synonyms :

  Lanthanum (III) oxide (99.9% La) (REO);Lanthanum (III) oxide (99.999 La) (REO) PURATREM;LanthanumoxideREOwhitepowder;LanthanumoxidePURATREM;Lanthanum(III) oxide;lanthanum(+3) cation; oxygen(-2) anion;Dilanthanumoxide;

• CAS NO :

  1312-81-8

• EC NO :

  215-200-5

• Molecular Formula :

  La₂O₃

• Molecular Weight :

  325.8091

• Main Specifications :

• InChI :

  InChI=1/2La.3O/rLa2O3/c3-1-5-2-4

• Product description :

  Formula: La₂O₃
  Nol.wt.: 325.8
  CAS: 1312-81-8
  Appearance: White powder
  Uses: Mainly used for manufacturing precision optical glass and optical fibers. Also used in the electronics industry as ceramic capacitors and piezoelectric ceramic additives. It is also used as a raw material for the production of lanthanum boride and as a catalyst for petroleum separation and refining.
  Description

  Code	LO-3N	LO-4N	LO-4.5N
  Total amount of rare earth oxides %	≥97	≥98	≥98
  La purity and relative rare earth impurities
  La2O3/TREO %	≥99.9	≥99.99	≥99.995
  CeO2/TREO %	≤0.05	≤0.007	≤0.004
  Pr6O11/TREO %	≤0.01	≤0.001	≤0.0005
  Nd2O3/TREO %	≤0.01	≤0.001	≤0.0005
  Sm2O3/TREO %	≤0.01	≤0.001	≤0.0005
  Y2O3/TREO %	≤0.01	≤0.001	≤0.0005
  Non rare earth impurity
  Fe2O3 %	≤0.01	≤0.005	≤0.005
  SiO2 %	≤0.02	≤0.015	≤0.01
  CaO %	≤0.08	≤0.05	≤0.03
  Na %	≤0.02	≤0.01	≤0.01
  MnO2 %	≤0.01	≤0.005	≤0.005
  AL2O3 %	≤0.01	≤0.007	≤0.005
  PbO %	≤0.01	≤0.005	≤0.003
  Cl– %	≤0.08	≤0.06	≤0.05
  放射性（Radioactive）	1Bq/g
  灼减: L.O.I(1000℃ 2hr)	≤ 3.0	≤  2.0	≤2.0

• Molecular Structure :