Thulium(III) oxalate

Thulium(III) oxalate

Identifiers
CAS Number	3269-17-8  Y
3D model (JSmol)	Interactive image
ChemSpider	144741
ECHA InfoCard	100.019.898
EC Number	221-887-2
PubChem CID	165099
CompTox Dashboard (EPA)	DTXSID40954376
InChI InChI=1S/3C2H2O4.2Tm/c3*3-1(4)2(5)6;;/h3*(H,3,4)(H,5,6);;/q;;;2*+3/p-6 Key: BSCZSHAJTJRUPP-UHFFFAOYSA-H
SMILES [Tm+3].[Tm+3].[O-]C(=O)C(=O)[O-].[O-]C(=O)C(=O)[O-].[O-]C(=O)C(=O)[O-]
Properties
Chemical formula	Tm2(C2O4)3
Appearance	solid
Hazards
GHS labelling: [1]
Pictograms
Signal word	Warning
Hazard statements	H302, H312
Precautionary statements	P264, P270, P280, P301+P317, P302+P352, P317, P321, P330, P362+P364, P501
Related compounds
Other cations	Cerium(III) oxalate Europium(III) oxalate Gadolinium(III) oxalate Holmium(III) oxalate Lanthanum(III) oxalate Neodymium(III) oxalate Praseodymium(III) oxalate Promethium(III) oxalate Samarium(III) oxalate Terbium(III) oxalate Ytterbium(III) oxalate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Thulium(III) oxalate is the oxalate of thulium with the chemical formula Tm₂(C₂O₄)₃. Its hydrate can be prepared by reacting an aqueous solution of thulium(III) chloride and a benzene solution of dimethyl oxalate. ^[2] Its pentahydrate is decomposed by heat to obtain the dihydrate, which is further heated to obtain thulium(III) oxide. ^[3] It reacts with hydrochloric acid to obtain H[Tm(C₂O₄)₂]·6H₂O. ^[4]

References

1. "Thulium(3+) oxalate". pubchem.ncbi.nlm.nih.gov. Retrieved 29 February 2024.
2. Mamoru Watanabe, Kozo Nagashima (Oct 1971). "Hydrated oxalates of the yttrium group rare earth elements and scandium". Journal of Inorganic and Nuclear Chemistry. 33 (10): 3604–3608. doi:10.1016/0022-1902(71)80691-7. Archived from the original on 2020-10-15. Retrieved 2020-10-11.
3. Wendlandt, W. W. (1959). "Thermal Decomposition of Rare Earth Metal Oxalates". Analytical Chemistry. 31 (3): 408–410. doi:10.1021/ac60147a024. ISSN   0003-2700.
4. Moebius, R.; Matthes, F. The exchange of oxalate ions for chloride ions of the oxalate hydrates of the rare earths and yttrium. Zeitschrift fuer Chemie, 1964. 4 (6): 234-235. ISSN: 0044-2402.