Dysprosium(III) bromide is an inorganic compound of bromine and dysprosium, with the chemical formula of DyBr3.
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ECHA InfoCard | 100.034.933 |
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Appearance | colourless solid (anhydrous)[1] white solid (hexahydrate)[2] |
Density | 5.8 g·cm−3[3] |
Melting point | 881 °C (1,154 K)[1] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Dysprosium(III) bromide can be obtained by reacting dysprosium with bromine:[4]
Dysprosium bromide hexahydrate can be obtained by crystallization from its solution,[2] which can be heated with ammonium bromide in vacuum to obtain the anhydrous form.[1]
Dysprosium(III) oxide and aluminium bromide (in the form of Al2Br6 at a high temperature react a DyAl3Br12, which decomposes to dysprosium(III) bromide at a lower temperature:[5]
Dysprosium(III) bromide is a white-gray hygroscopic solid that is soluble in water.[6] It has a trigonal crystal structure of the bismuth(III) iodide type with space group R3 (No. 148).[7]
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