Terbium(III) chloride

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Terbium(III) chloride
UCl3 without caption.png Cerium bromide (space filling) 2.png
CAS number 10042-88-3
PubChem 61458
EC number 233-132-
Jmol-3D images Image 1
Molecular formula TbCl3
Molar mass 265.2834 g/mol
Appearance white powder
Density 4.35 g/cm³, solid
Melting point 558°C
Boiling point 180-200°C (in HCl gas atmosphere)
Solubility in water soluble
Crystal structure hexagonal (UCl3 type), hP8
Space group P63/m, No. 176
Tricapped trigonal prismatic
EU classification not listed
Related compounds
Other anions Terbium(III) oxide
Other cations Gadolinium(III) chloride
Dysprosium(III) chloride
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Terbium(III) chloride (TbCl3) is a chemical compound. In the solid state TbCl3 has the YCl3 layer structure.[1] Terbium(III) chloride frequently forms a hexahydrate.


Terbium(III) chloride causes hyperemia of the iris.[2] Conditions/substances to avoid are: heat, acids and acid fumes.


  1. ^ Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN 0-19-855370-6
  2. ^ George C. Y. Chiou (1999). Ophthalmic toxicology (2nd ed.). CRC Press. ISBN 1-56032-722-7.