Samarium(III) oxalate

Last updated
Samarium(III) oxalate
Names
Other names
Tris(oxalato)disamarium, Samarium oxalate,
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 221-844-8
PubChem CID
  • InChI=1S/3C2H2O4.2Sm/c3*3-1(4)2(5)6;;/h3*(H,3,4)(H,5,6);;/q;;;2*+3/p-6
    Key: DABIZUXUJGHLMW-UHFFFAOYSA-H
  • C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].[Sm+3].[Sm+3]
Properties
C6O12Sm2
Molar mass 564.77 g·mol−1
AppearanceYellow crystals
Insoluble
Hazards
GHS labelling:
GHS-pictogram-exclam.svg
Warning
H302, H312
P264, P270, P280, P301+P312, P302+P352, P312, P322, P330, P363, P501
Related compounds
Related compounds
 Praseodymium oxalate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Samarium(III) oxalate is an inorganic compound, a salt of samarium and oxalic acid with the formula Sm2(C2O4)3. [1] The compound does not dissolve in water, forms a crystalline hydrate with yellow crystals. [2]

Contents

Synthesis

Precipitation of soluble samarium salts with oxalic acid: [3]

Also a reaction of samarium nitrate and oxalic acid in an aqueous solution:

Physical properties

Samarium(III) oxalate forms a crystalline hydrate of the composition Sm2(C2O4)3 • 10H2O with yellow crystals.

Chemical properties

Decomposes on heating: [4]

Crystalline hydrate Sm2(C2O4)3 • 10H2O decomposes stepwise. [5]

Related Research Articles

<span class="mw-page-title-main">Samarium(III) fluoride</span> Chemical compound

Samarium(III) fluoride (SmF3) is a slightly hygroscopic solid fluoride. Conditions/substances to avoid are: open flame, moisture, strong acids.

Chromium(II) oxalate is an inorganic compound with the chemical formula CrC2O4.

<span class="mw-page-title-main">Beryllium oxalate</span> Chemical compound

Beryllium oxalate is an inorganic compound, a salt of beryllium metal and oxalic acid with the chemical formula C
2BeO
4. It forms colorless crystals, dissolves in water, and also forms crystalline hydrates. The compound is used to prepare ultra-pure beryllium oxide by thermal decomposition.

<span class="mw-page-title-main">Lithium oxalate</span> Chemical compound

Lithium oxalate is an inorganic compound, a salt of lithium metal and oxalic acid with the chemical formula C
2Li
2O
4. Lithium oxalate is soluble in water and converts to the oxide when heated.

Praseodymium(III) oxalate is an inorganic compound, a salt of praseodymium metal and oxalic acid with the chemical formula C6O12Pr2. The compound forms light green crystals, insoluble in water, also forms crystalline hydrates.

<span class="mw-page-title-main">Copper oxalate</span> Chemical compound

Copper oxalate is an inorganic compound, a salt of copper metal and oxalic acid with the chemical formula CuC
2O
4. The compound is practically insoluble in water, alcohol, ether, and acetic acid but soluble in ammonium hydroxide. Copper oxalate forms a hydrate, which forms acid-blue crystals.

<span class="mw-page-title-main">Yttrium oxalate</span> Chemical compound

Yttrium oxalate is an inorganic compound, a salt of yttrium and oxalic acid with the chemical formula Y2(C2O4)3. The compound does not dissolve in water and forms crystalline hydrates—colorless crystals.

Manganese oxalate is a chemical compound, a salt of manganese and oxalic acid with the chemical formula MnC
2O
4. The compound creates light pink crystals, does not dissolve in water, and forms crystalline hydrates. It occurs naturally as the mineral Lindbergite.

<span class="mw-page-title-main">Tin(II) oxalate</span> Chemical compound

Tin(II) oxalate is an inorganic compound, a salt of tin and oxalic acid with the chemical formula SnC
2O
4. The compound looks like colorless crystals, does not dissolve in water, and forms crystalline hydrates.

Neptunium (IV) oxalate is an inorganic compound, a salt of neptunium and oxalic acid with the chemical formula Np(C2O4)2. The compound is slightly soluble in water, forms crystalline hydrates—green crystals.

<span class="mw-page-title-main">Actinium(III) nitrate</span> Chemical compound

Actinium(III) nitrate is an inorganic compound, actinium salt of nitric acid with the chemical formula Ac(NO3)3. The compound looks like white substance, readily soluble in water.

<span class="mw-page-title-main">Holmium(III) nitrate</span> Chemical compound

Holmium (III) nitrate is an inorganic compound, a salt of holmium and nitric acid with the chemical formula Ho(NO3)3. The compound forms yellowish crystals, dissolves in water, also forms crystalline hydrates.

<span class="mw-page-title-main">Ytterbium(III) nitrate</span> Chemical compound

Ytterbium(III) nitrate is an inorganic compound, a salt of ytterbium and nitric acid with the chemical formula Yb(NO3)3. The compound forms colorless crystals, dissolves in water, and also forms crystalline hydrates.

Lutetium(III) nitrate is an inorganic compound, a salt of lutetium and nitric acid with the chemical formula Lu(NO3)3. The compound forms colorless crystals, dissolves in water, and also forms crystalline hydrates. The compound is poisonous.

<span class="mw-page-title-main">Erbium(III) nitrate</span> Chemical compound

Erbium(III) nitrate is an inorganic compound, a salt of erbium and nitric acid with the chemical formula Er(NO3)3. The compound forms pink crystals, readily soluble in water, also forms crystalline hydrates.

<span class="mw-page-title-main">Praseodymium(III) acetate</span> Compound of praseodymium

Praseodymium(III) acetate is an inorganic salt composed of a Praseodymium atom trication and three acetate groups as anions. This compound commonly forms the dihydrate, Pr(O2C2H3)3·2H2O.

Europium(III) oxalate (Eu2(C2O4)3) is a chemical compound of europium and oxalic acid. There are different hydrates including the decahydrate, hexahydrate and tetrahydrate. Europium(II) oxalate is also known.

<span class="mw-page-title-main">Rubidium oxalate</span> Chemical compound

Rubidium oxalate is the oxalate salt of rubidium, with the chemical formula of Rb2C2O4.

Lanthanum oxalate is an inorganic compound, a salt of lanthanum metal and oxalic acid with the chemical formula La
2(C
2O
4)
3.

<span class="mw-page-title-main">Samarium(III) phosphate</span> Chemical compound

Samarium(III) phosphate is an inorganic compound, with the chemical formula of SmPO4. It is one of the phosphates of samarium.

References

  1. ↑ Bulletin of the Research Council of Israel: Chemistry. Section A. Weizmann Science Press of Israel. 1959. p. 174. Retrieved 8 August 2021.
  2. ↑ "Samarium(III) oxalate hydrate ≥99.99% | Sigma-Aldrich". Sigma Aldrich . Retrieved 8 August 2021.
  3. ↑ Sanuki, Sumiko; Sugiyama, Akio; Tunekawa, Minoru; Kadomachi, Kiyotaka; Arai, Koichi (1994). "Precipitation Stripping of Samarium Oxalate from Organic Solution Containing Acid Type Extractant by Oxalic Acid". Journal of the Japan Institute of Metals. 58 (11): 1271–1278. doi: 10.2320/jinstmet1952.58.11_1271 . Retrieved 8 August 2021.
  4. ↑ Wendlandt, W. W. (1 March 1959). "Thermal Decomposition of Rare Earth Metal Oxalates". Analytical Chemistry . 31 (3): 408–410. doi:10.1021/ac60147a024. ISSN   0003-2700 . Retrieved 8 August 2021.
  5. ↑ Hussein, G.A.M.; Buttrey, D.J.; Desanto, P.; Abd-Elgaber, A.A.; Roshdy, Heba; Myhoub, Ali Y.Z. (3 June 2003). "Formation and characterization of samarium oxide generated from different precursors". Thermochimica Acta. 402 (1–2): 27–36. doi:10.1016/S0040-6031(02)00535-X. ISSN   0040-6031 . Retrieved 8 August 2021.
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