Thallium oxide (Tl2O3)

CAS Registry Number®

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CAS Name

Thallium oxide (Tl2O3)

Molecular Formula


Cite this Page

Thallium oxide (Tl2O3).   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d. (retrieved 2022-11-29) (CAS RN: 1314-32-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    896 °C
  • Melting Point (2)

    717 °C
  • Density (2)

    10.2 g/cm3


Other Names and Identifiers

Other Names for this Substance

  • Thallium oxide (Tl2O3)
  • Thallic oxide
  • Thallium sesquioxide
  • Dithallium trioxide
  • Thallium(III) oxide