Thulium(III) acetate

Thulium(III) acetate is the acetate salt of thulium, with the chemical formula of Tm(CH₃COO)₃. It can exist in the tetrahydrate or the anhydrous form.^[2]

Thulium(III) acetate

Names
Other names Thulium acetate Thulium triacetate
Identifiers
CAS Number	39156-80-4 Y
3D model (JSmol)	Interactive image
ChemSpider	148787
ECHA InfoCard	100.049.369
EC Number	254-326-5
PubChem CID	170163
CompTox Dashboard (EPA)	DTXSID50890756
InChI InChI=1S/3C2H4O2.Tm/c3*1-2(3)4;/h3*1H3,(H,3,4);/q;;;+3/p-3 Key: SNMVVAHJCCXTQR-UHFFFAOYSA-K
SMILES CC(=O)[O-].CC(=O)[O-].CC(=O)[O-].[Tm+3]
Properties
Chemical formula	Tm(CH3COO)3
Appearance	crystals
Solubility in water	soluble
Hazards
GHS labelling:[1]
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Properties

Thulium(III) acetate reacts with iron acetylacetonate at 300 °C, which can form the hexagonal crystal TmFeO₃.^[3]

Reacting thulium(III) acetate with trifluoroacetic acid will produce thulium trifluoroacetate:^[4]

Tm(CH₃COO)₃ + 3 CF₃COOH → Tm(CF₃COO)₃ + 3 CH₃COOH

References

1. "Thulium acetate". pubchem.ncbi.nlm.nih.gov.
2. K. I. Petrov, M. G. Zaitseva, L. M. Sukova (1971-08-01). "Spectroscopic study of thulium acetate tetrahydrate single crystals". Journal of Applied Spectroscopy. 15 (2): 1058–1060. Bibcode:1971JApSp..15.1058P. doi:10.1007/BF00607309. ISSN 1573-8647. S2CID 96964200.{{cite journal}}: CS1 maint: multiple names: authors list (link)
3. Masashi Inoue, Toshihiro Nishikawa, Tomohiro Nakamura, Tomoyuki Inui (1997). "Glycothermal Reaction of Rare-Earth Acetate and Iron Acetylacetonate: Formation of Hexagonal ReFeO3". Journal of the American Ceramic Society. 80 (8): 2157–2160. doi:10.1111/j.1151-2916.1997.tb03103.x. ISSN 1551-2916.{{cite journal}}: CS1 maint: multiple names: authors list (link)
4. S. I. Gutnikov, E. V. Karpova, M. A. Zakharov, A. I. Boltalin (2006-04-01). "Thulium(III) trifluoroacetates Tm(CF3COO)3 · 3H2O and Tm2(CF3COO)6 · 2CF3COOH · 3H2O: Synthesis and crystal structure". Russian Journal of Inorganic Chemistry. 51 (4): 541–548. doi:10.1134/S0036023606040061. ISSN 1531-8613. S2CID 101651962.{{cite journal}}: CS1 maint: multiple names: authors list (link)

External reading

• Mondry, A., & Bukietyńska, K. (2003). The power and limits of the Judd—Ofelt theory: a case of Pr³⁺ and Tm³⁺ acetates and dipicolinates. Molecular Physics, 101(7), 923-934.