Yttrium sesquioxide

CAS Registry Number®

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CAS Name

Yttrium sesquioxide

Molecular Formula


Cite this Page

Yttrium sesquioxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d. (retrieved 2022-12-06) (CAS RN: 1314-36-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

Other Names for this Substance

  • Yttrium oxide (Y2O3)
  • Yttria
  • Yttrium sesquioxide
  • Diyttrium trioxide
  • Yttrium trioxide

Deleted or Replaced CAS Registry Numbers

1123577-09-2, 1352121-27-7, 2521566-60-7