Thorium triiodide

Thorium triiodide is a binary inorganic compound of thorium metal and iodine with the chemical formula ThI₃.^[1][2][3]

Thorium triiodide

Identifiers
CAS Number	13779-96-9
3D model (JSmol)	Interactive image
InChI InChI=1S/3HI.Th/h3*1H;/q;;;+3/p-3 Key: DSHBAXKNFMWFAR-UHFFFAOYSA-K
SMILES [Th+3].[I-].[I-].[I-]
Properties
Chemical formula	I3Th
Molar mass	612.7511 g·mol−1
Appearance	crystals
Solubility in water	reacts with water
Related compounds
Related compounds	Americium triiodide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Synthesis

Th metal is heated with ThI₄ in a vacuum at 800 °C.^[4]

Th + 3ThI₄ → 4ThI₃

Physical properties

The compound forms black or grey crystals.^[4]

Chemical properties

ThI₃ reacts with water.^[4]

References

1. Yaws, Carl L. (6 January 2015). The Yaws Handbook of Physical Properties for Hydrocarbons and Chemicals: Physical Properties for More Than 54,000 Organic and Inorganic Chemical Compounds, Coverage for C1 to C100 Organics and Ac to Zr Inorganics. Gulf Professional Publishing. p. 802. ISBN 978-0-12-801146-1. Retrieved 3 April 2024.
2. Brown, David; Canterford, J. H.; Colton, Ray (1968). Halides of the Transition Elements: Halides of the lanthanides and actinides, by D. Brown. Wiley. p. 229. ISBN 978-0-470-10840-6. Retrieved 3 April 2024.
3. Seaborg, Glenn T. (20 May 1994). Modern Alchemy: Selected Papers Of Glenn T Seaborg. World Scientific. p. 21. ISBN 978-981-4502-99-3. Retrieved 3 April 2024.
4. David, Lore Rose (1953). Thorium: A Bibliography of Unclassified Literature. Technical Information Service. p. 18. Retrieved 3 April 2024.