Difference between revisions of "Calcium bromide"
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| − | '''Calcium bromide''', CaBr<sub>2</sub>, is a binary compound of [[calcium]] and [[bromine]]. It is used in the oil and gas industry.<ref name="Kirk-Othmer">{{Kirk-Othmer | first1 = S. D. | last1 = Ukeles | first2 = M. | last2 = Freiberg | contribution = Bromine, Inorganic Compounds | doi = 10.1002/0471238961.021815131001031 | year = 2002}}.</ref> | + | '''Calcium bromide''', CaBr<sub>2</sub>, is a binary compound of [[calcium]] and [[bromine]]. It is used in the oil and gas industry as a 52–54% aqueous solution, with a density greater than {{nowrap|1.7 g cm<sup>−3</sup>}}, as a well completion and packer brine.<ref name="Kirk-Othmer">{{Kirk-Othmer | first1 = S. D. | last1 = Ukeles | first2 = M. | last2 = Freiberg | contribution = Bromine, Inorganic Compounds | doi = 10.1002/0471238961.021815131001031 | year = 2002}}.</ref> |
==Notes and references== | ==Notes and references== | ||
Latest revision as of 16:36, 8 January 2011
| Calcium bromide | |
|---|---|
| Identifiers | |
| InChI | InChI=1/2BrH.Ca/h2*1H;/q;;+2/p-2 |
| InChIKey | WGEFECGEFUFIQW-NUQVWONBAA |
| Standard InChI | InChI=1S/2BrH.Ca/h2*1H;/q;;+2/p-2 |
| Standard InChIKey | WGEFECGEFUFIQW-UHFFFAOYSA-L |
| CAS number | [] |
| EC number | |
| ChemSpider | |
| Properties[1] | |
| Chemical formula | CaBr2 |
| Molar mass | 199.89 g mol−1 |
| Appearance | white crystalline solid |
| Density | 3.353 g cm−3 |
| Melting point |
730 °C |
| Boiling point |
809 °C |
| Solubility in water | 142 g/100 g (20 °C) |
| Thermochemistry[2] | |
| Std enthalpy of formation ΔfH |
−683.25 kJ mol−1 |
| Standard molar entropy S |
129.64 J K−1 mol−1 |
| Related compounds | |
| Other anions | Calcium fluoride Calcium chloride Calcium iodide |
| Other cations | Beryllium bromide Magnesium bromide Strontium bromide Barium bromide Radium bromide |
| Other compounds | Calcium hypobromite Calcium bromite Calcium bromate Calcium perbromate |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Calcium bromide, CaBr2, is a binary compound of calcium and bromine. It is used in the oil and gas industry as a 52–54% aqueous solution, with a density greater than 1.7 g cm−3, as a well completion and packer brine.[3]
Notes and references
Notes
References
- ↑ CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; p B-86. ISBN 0-8493-0462-8.
- ↑ Calcium dibromide. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/2BrH.Ca/h2*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.
Further reading
External links
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See also the corresponding article on Wikipedia. |
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