Thulium(III) oxalate

Thulium(III) oxalate
Identifiers
CAS Number	3269-17-8 ;
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/c33-1(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:
Pictograms
Signal word	Warning
Hazard statements	H302, H312
Precautionary statements	P264, P270, P280, P301+P317, P302+P352, P317, P321, P330, P362+P364, P501
	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

^ "Thulium(3+) oxalate". pubchem.ncbi.nlm.nih.gov. Retrieved 29 February 2024.
^ 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.
^ Wendlandt, W. W. (1959). "Thermal Decomposition of Rare Earth Metal Oxalates". Analytical Chemistry. 31 (3): 408–410. doi:10.1021/ac60147a024. ISSN 0003-2700.
^ 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.

[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.

[2]

[3]

[4]

[1]

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/c33-1(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
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references