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Antimony sulfate

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Antimony sulfate
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This page is a soft redirect. Names

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IUPAC name
antimony(3+) trisulfate
Other names
Antimony(III) sulfate
Antimonous sulfate
Antimony trisulfate
Diantimony trisulfate
Diantimony tris(sulphate)
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7446-32-4 7pxN[yes]
ChemSpider 22443 7pxY
EC number 231-207-6
Jmol-3D images Image
PubChem Template:Chembox PubChem/format
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This page is a soft redirect. Properties[2]

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Sb2(SO4)3
Molar mass 531.7078 g/mol
Density 3.6246 g/cm3[1]
soluble
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SDS MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 14pxN
Infobox references

Antimony sulfate, Sb2(SO4)3, is a hygroscopic material is formed by reacting antimony or its compounds with hot sulfuric acid. It is used in doping of semiconductors and in the production of explosives and fireworks.[1]

Structure

Solid antimony sulfate contains infinite ladders of SO4 tetrahedra and SbO3 pyramids sharing corners. It is often described as a mixed oxide, Sb2O3.3SO3.[3]

Chemical properties

Antimony sulfate is sometimes called a "salt" as it can be produced from the reaction of antimony and sulfuric acid, but it should be noted that antimony does not form a nitrate when dissolved in nitric acid, (an oxidising acid) but produces a mixture of antimony oxides, and this contrasts with bismuth which dissolves in both acids to form salts.[4] It is deliquescent, and soluble in acids. It can be prepared by dissolving antimony, antimony trioxide, antimony trisulfide or antimony oxychloride in hot, concentrated sulfuric acid.[1][4]

2 Sb (s) + 6 H2SO4 → Sb2(SO4)3 + 3SO2 + 6 H2O

Uses

Owing to its solubility, antimony sulfate has uses in the doping of semiconductors.[5] It is also used for coating anodes in electrolysis and in the production of explosives and fireworks.[1]

Safety

Antimony(III) sulfate causes irritation to the skin and mucous membranes.[6]

References

  1. ^ a b c d Herbst, Karl Albert et al. (1985) Antimony and antimony compounds in Ullmann's Encyclopedia of Industrial Chemistry 5th ed., vol. A3, p. 70. ISBN 3-527-20103-3.
  2. ^ Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. p. 4.64. ISBN 0-8493-0486-5. 
  3. ^ Wells A.F. (1984) Structural Inorganic Chemistry 5th edition Oxford Science Publications ISBN 0-19-855370-6
  4. ^ a b Nicholas C. Norman. Chemistry of arsenic, antimony, and bismuth. Springer. pp. 193–. ISBN 978-0-7514-0389-3. 
  5. ^ Method of forming phase change layer, method of manufacturing a storage node using the same, and method of manufacturing phase change memory device using the same – Samsung Electronics Co., Ltd. Freepatentsonline.com (2007-01-02). Retrieved on 2011-12-23.
  6. ^ Antimony(III) Sulfate Material Safety Data Sheet. Prochemonline.

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