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Substance Name: Yttria
RN: 1314-36-9
UNII: X8071685XT
InChIKey: RUDFQVOCFDJEEF-UHFFFAOYSA-N

Note

  • Molecular formula Y2-O3.

Molecular Formula

  • O3-Y2

Molecular Weight

  • 225.809
 
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Names and Synonyms

Name of Substance

  • Yttria

Synonyms

  • Diyttrium trioxide
  • EC 215-233-5
  • EINECS 215-233-5
  • UNII-X8071685XT
  • YO 3-245
  • Yttria
  • Yttrium oxide (Y2O3)
  • Yttrium sesquioxide
  • Yttrium(3+) oxide

Systematic Names

  • Yttrium oxide
  • Yttrium oxide (Y2O3)
  • Yttrium trioxide

Registry Numbers

CAS Registry Number

  • 1314-36-9

FDA UNII

  • X8071685XT

Other Registry Numbers

  • 1123577-09-2
  • 1352121-27-7

System Generated Number

  • 0001314369

Structure Descriptors

InChI

1S/3O.2Y/q3*-2;2*+3

InChIKey

RUDFQVOCFDJEEF-UHFFFAOYSA-N

Smiles

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

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 430mg/kg (430mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 121, 1982.
mouse LDLo oral > 6gm/kg (6000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 22(7), Pg. 55, 1978.
rat LD50 intraperitoneal 230mg/kg (230mg/kg)   "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982Vol. -, Pg. 121, 1982.
rat LDLo oral > 10gm/kg (10000mg/kg)   Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 22(7), Pg. 55, 1978.