Barium sulfite

Barium sulfite
Names
	IUPAC name Barium sulfite
Identifiers
CAS Number	7787-39-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	450991 ;
ECHA InfoCard	100.029.193
PubChem CID	516931;
UNII	D71W8VF49C ;
CompTox Dashboard (EPA)	DTXSID00228489 ;
	InChI InChI=1S/Ba.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+2;/p-2 Key: ARSLNKYOPNUFFY-UHFFFAOYSA-L ; InChI=1/Ba.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+2;/p-2 Key: ARSLNKYOPNUFFY-NUQVWONBAA;
	SMILES [Ba+2].[O-]S([O-])=O;
Properties
Chemical formula	BaSO3
Molar mass	217.391 g/mol
Appearance	white monoclinic crystals
Density	4.44 g/cm3
Melting point	decomposes
Solubility in water	0.0011 g/100 mL
Solubility	insoluble in ethanol
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).
	(what is ?)
	Infobox references

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

References[]

^ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, Florida: CRC Press, pp. 4–45, ISBN 0-8493-0594-2
^ 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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