Thulium(III) chloride
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| Names | |
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| IUPAC name
Thulium(III) chloride
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| Other names
Thulium chloride, thulium trichloride
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| Identifiers | |
3D model (JSmol)
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| ECHA InfoCard | 100.033.535 |
| EC Number |
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PubChem CID
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| RTECS number |
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CompTox Dashboard (EPA)
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| Properties | |
| TmCl3 | |
| Molar mass | 275.292 g/mol |
| Appearance | yellow crystals |
| Density | 3.98 g/cm3 |
| Melting point | 824 °C (1,515 °F; 1,097 K) |
| Boiling point | 1,490 °C (2,710 °F; 1,760 K) |
| heptahydrate: very soluble | |
| Solubility | heptahydrate: very soluble in ethanol[1] |
| Structure | |
| Monoclinic, mS16 | |
| C12/m1, No. 12 | |
| 6[2] | |
| Thermochemistry | |
Std enthalpy of
formation (ΔfH⦵298) |
966.6 kJ/mol[3] |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards
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Xi (Irritant) |
| Related compounds | |
Other anions
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Thulium(III) oxide |
Other cations
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Erbium(III) chloride Ytterbium(III) chloride Thulium(II) chloride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Thulium(III) chloride or thulium trichloride is the chemical compound composed of thulium and chlorine with the formula TmCl3. It forms yellow crystals. Thulium(III) chloride has the YCl3 (AlCl3) layer structure with octahedral thulium ions.[5]
Reactions
The hydrated form of thulium(III) chloride can be obtained by adding thulium(III) oxide to concentrated hydrochloric acid.[1] Thulium(III) chloride reacts with strong bases to make thulium(III) oxide.
References
- ^ a b
Spencer, James F. (1919). "The Metals of the Rare Earths" (Document). Longmans, Green, and Co. p. 152.
{{cite document}}: Unknown parameter|accessdate=ignored (help); Unknown parameter|publication-place=ignored (help); Unknown parameter|url=ignored (help) - ^
"Chemistry: Periodic Table: Thulium: compound data (thulium (III) chloride)". WebElements. Archived from the original on 2008-12-01. Retrieved 2008-06-27.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ Perry, Dale L.; Phillips, Sidney L. (1995). Handbook of Inorganic Compounds. CRC Press. p. 512. ISBN 0-8493-8671-3. Retrieved 2008-06-27.
- ^ "439649 Thulium(III) chloride anhydrous, powder, 99.99% trace metals basis". Sigma-Aldrich. Retrieved 2008-06-27.
- ^ Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN 0-19-855370-6
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