Barium sulfite

Barium sulfite is the inorganic compound with the chemical formula BaSO3. It is a white powder that finds few applications. It is an intermediate in the carbothermal reduction of barium sulfate to barium sulfide:[2]

BaSO4 + CO → BaSO3 + CO2
Barium sulfite
Names
IUPAC name
Barium sulfite
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.193
UNII
  • InChI=1S/Ba.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+2;/p-2 Y
    Key: ARSLNKYOPNUFFY-UHFFFAOYSA-L Y
  • InChI=1/Ba.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+2;/p-2
    Key: ARSLNKYOPNUFFY-NUQVWONBAA
  • [Ba+2].[O-]S([O-])=O
Properties
BaSO3
Molar mass 217.391 g/mol
Appearance white monoclinic crystals
Density 4.44 g/cm3
Melting point decomposes
0.0011 g/100 mL
Solubility insoluble in ethanol[1]
Related compounds
Other anions
 Barium sulfate
Barium fluoride
Barium chloride
Barium bromide
Barium iodide
Other cations
 Calcium sulfite
Magnesium sulfite
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

References
  1. Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, Florida: CRC Press, pp. 4–45, ISBN 0-8493-0594-2
  2. Kresse, Robert; Baudis, Ulrich; Jäger, Paul; Riechers, H. Hermann; Wagner, Heinz; Winkler, Jochen; Wolf, Hans Uwe (2007). "Ullmann's Encyclopedia of Industrial Chemistry". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a03_325.pub2.


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