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Substance Name: Lanthanum oxide
RN: 1312-81-8
UNII: 4QI5EL790W
InChIKey: MRELNEQAGSRDBK-UHFFFAOYSA-N

Classification Code

  • Skin / Eye Irritant

Molecular Formula

  • La2-O3

Molecular Weight

  • 325.817
 
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Names and Synonyms

Name of Substance

  • Lanthanum oxide

Synonyms

  • Dilanthanum oxide
  • Dilanthanum trioxide
  • EC 215-200-5
  • EINECS 215-200-5
  • Lanthana
  • Lanthania (La2O3)
  • Lanthanum oxide
  • Lanthanum sesquioxide
  • Lanthanum trioxide
  • Lanthanum(3+) oxide
  • Lanthanum(III) oxide
  • UNII-4QI5EL790W

Systematic Names

  • Lanthanum oxide
  • Lanthanum oxide (La2O3)

Registry Numbers

CAS Registry Number

  • 1312-81-8

FDA UNII

  • 4QI5EL790W

Other Registry Numbers

  • 1033016-73-7
  • 1260088-45-6
  • 1276122-74-7
  • 162525-16-8

System Generated Number

  • 0001312818

Structure Descriptors

InChI

1S/2La.3O/q2*+3;3*-2

InChIKey

MRELNEQAGSRDBK-UHFFFAOYSA-N

Smiles

[La+3].[La+3].[OH2-2].[OH2-2].[OH2-2]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral > 9968mg/kg (9968mg/kg)   Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975.