Thulium(II) chloride

Thulium(II) chloride is an inorganic compound with the chemical formula TmCl₂.

Thulium(II) chloride

Names
Other names Thulium dichloride
Identifiers
CAS Number	22852-11-5^N
3D model (JSmol)	Interactive image
ChemSpider	124342
PubChem CID	140967
InChI InChI=1S/2ClH.Tm/h2*1H;/q;;+2/p-2 Key: YRYFSOMKKYRRHX-UHFFFAOYSA-L InChI=1/2ClH.Tm/h2*1H;/q;;+2/p-2
SMILES Cl[Tm]Cl
Properties
Chemical formula	TmCl2
Molar mass	239.839 g/mol
Appearance	dark green solid[1]
Melting point	718°C
Solubility in water	reacts
Structure
Crystal structure	SrI2 crystal form[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Production

Thulium(II) chloride can be produced by reducing thulium(III) chloride by thulium metal:[1]

2 TmCl₃ + Tm → 3 TmCl₂

Chemical properties

Thulium(II) chloride reacts with water violently, producing hydrogen gas and thulium(III) hydroxide. When thulium(II) chloride first touches water, a light red solution is formed, which fades quickly.[1]

References

1. 《无机化学丛书》.第七卷 钪 稀土元素.易宪武 等. 科学出版社. ISBN 978-7-03-030574-9. 1.3.2 氧化态+2的化合物. P148. 1. 卤素化合物