Antimony(III) acetate

Antimony(III) acetate
Antimony(III) acetate
Identifiers
CAS number 6923-52-0
ChemSpider 21839 YesY
Jmol-3D images Image 1
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Properties
Molecular formula C6H9O6Sb
Molar mass 298.89 g mol−1
Appearance White powder
Density 1.22 g/cm³ (20 °C)
Melting point

127 °C, 400 K, 261 °F

Hazards
NFPA 704
NFPA 704.svg
0
1
0
LD50 4480 mg/kg (rat)
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Antimony(III) acetate is the antimony salt of acetic acid with the chemical formula of Sb(CH3COO)3. It has the appearance of a white powder and is used as a catalyst in the production of synthetic fibers. It can be prepared by the reaction of antimony(III) oxide with acetic acid:

Sb2O3 + 6 HC2H3O2 → 2 Sb(C2H3O2)3 + 3H2O

The crystal structure of antimony(III) acetate has been determined by X-ray crystallography. It consists of discrete Sb(OAc)3 monomers with monodentate acetate ligands. The monomers are linked together into chains by weaker C=O···Sb intermolecular interactions.[1]

Antimony(III)-acetate-xtal-1980-CM-3D-balls.png

References

  1. ^ Hall, M.; Sowerby, D. B. (1980). "Antimony(III) acetate and thioacetate: spectra and crystal structures". J. Chem. Soc., Dalton Trans. (8): 1292–1296. doi:10.1039/DT9800001292. 



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