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Substance Name: Rare earth oxides
RN: 68188-83-0

Classification Code


Molecular Formula

  • Unspecified
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Names and Synonyms


  • EINECS 269-164-0
  • Lanthanum concentrate
  • Rare earth oxides

Systematic Name

  • Rare earth oxides

Registry Numbers

CAS Registry Number

  • 68188-83-0

System Generated Number

  • 0068188830


Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral > 5gm/kg (5000mg/kg)   Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 12, Pg. 621, 1993.