Barium bromide

Barium bromide dihydrate
Identifiers
InChI	InChI=1/Ba.2BrH.2H2O/h;21H;21H2/q+2;;;;/p-2
InChIKey	HQQMRSGBIPFNSN-NUQVWONBAC
Standard InChI	InChI=1S/Ba.2BrH.2H2O/h;21H;21H2/q+2;;;;/p-2
Standard InChIKey	HQQMRSGBIPFNSN-UHFFFAOYSA-L
CAS number	[7791-28-8]
EC number	234-140-0
ChemSpider	21241341
Properties
Chemical formula	BaBr2·2H2O
Molar mass	333.17 g mol−1
Appearance	white crystalline solid
Density	3.58 g cm−3
Melting point	75 °C dehydr.
Solubility in water	151 g/100 g (20 °C)
	Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Barium bromide
Identifiers
InChI	InChI=1/Ba.2BrH/h;2*1H/q+2;;/p-2
InChIKey	NKQIMNKPSDEDMO-NUQVWONBAE
Standard InChI	InChI=1S/Ba.2BrH/h;2*1H/q+2;;/p-2
Standard InChIKey	NKQIMNKPSDEDMO-UHFFFAOYSA-L
CAS number	[10553-31-8]
EC number	234-140-0
ChemSpider	59728
Properties
Chemical formula	BaBr2
Molar mass	297.14 g mol−1
Appearance	white crystalline solid
Density	4.781 g cm−3
Melting point	847 °C
Solubility in water	104.1 g/100 g (20 °C)
Thermochemistry
Std enthalpy of formation ΔfHo298	−757.72 kJ mol−1
Standard molar entropy So298	148.53 J K−1 mol−1
Related compounds
Other anions	Barium fluoride; Barium chloride; Barium iodide
Other cations	Beryllium bromide; Magnesium bromide; Calcium bromide; Strontium bromide; Radium bromide
Other compounds	Barium hypobromite; Barium bromite; Barium bromate; Barium perbromate
	Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Barium bromide, BaBr₂, is a binary compound of barium and bromine. It is used for producing other bromides^[3] and as an X-ray storage phosphor.^[4]^[5]^[6]

Notes and references

↑ ^1.0 ^1.1 CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; p B-80. ISBN 0-8493-0462-8.
↑ Barium dibromide. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/Ba.2BrH/h;2*1H/q+2;;/p-2>. (accessed 8 January 2011).
↑ Ukeles, S. D.; Freiberg, M. Bromine, Inorganic Compounds. In Kirk-Othmer Encyclopedia of Chemical Technology; John Wiley: New York, 2002. DOI: 10.1002/0471238961.021815131001031.
↑ Nensel, B.; Thielemann, P.; Decker, G. Are storage phosphors a useful tool for soft x-ray imaging diagnostics? Spectral sensitivity and spatial resolution in the 0.07 to 14 nm range. J. Appl. Phys. 1998, 83 (4), 2276–81. DOI: 10.1063/1.366968.
↑ Thoms, M. An improved X-ray detector for use at synchrotrons. Nucl. Instrum. Methods Phys. Res., Sect. A 1998, 413 (1), 175–84. DOI: 10.1016/S0168-9002(98)00199-5.
↑ Edgar, A.; Secu; Williams, G. V. M.; Schweizer, S.; Spaeth, J.-M. Structural phase changes in barium bromide nano-crystals in a fluorobromozirconate glass-ceramic x-ray storage phosphor. J. Phys.: Condens. Matter 2001, 13 (28), 6259–70. DOI: 10.1088/0953-8984/13/28/308.

See also the corresponding article on Wikipedia.

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