Thulium oxide (Tm2O3)

CAS Registry Number®

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CAS Name

Thulium oxide (Tm2O3)

Molecular Formula


Cite this Page

Thulium oxide (Tm2O3).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d. (retrieved 2022-12-06) (CAS RN: 12036-44-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Density (1)

    8.6 g/cm3 @ Temp: Room temp


Other Names and Identifiers

Other Names for this Substance

  • Thulium oxide (Tm2O3)
  • Thulium sesquioxide
  • Thulium(3+) oxide
  • Dithulium trioxide
  • Thulium trioxide

Deleted or Replaced CAS Registry Numbers