Thulium(III) oxide

Thulium(III) oxide
Other names

Thulium oxide, thulium sesquioxide
Identifiers
CAS number 12036-44-1 Y
Properties
Molecular formula Tm2O3
Molar mass 385.866 g/mol
Appearance greenish-white cubic crystals
Density 8.6 g/cm3
Melting point

2341 °C
Boiling point

3945 °C[1]
Solubility in water slightly soluble in acids
Structure
Crystal structure Cubic, cI80
Space group Ia-3, No. 206
 Y (verify) (what is: Y/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Thulium(III) oxide is a pale green solid compound, with the formula Tm2O3. It was first isolated in 1878 from an impure sample of erbia by Per Teodor Cleve, who named it thulia.

References

  1. ^ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 447, ISBN 0-8493-0594-2