A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Names | |
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Other names
ytterbium tribromide
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.033.940 |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
YbBr3 | |
Molar mass | 412.77 g/mol |
Appearance | white crystalline |
Melting point | 677 °C (1,251 °F; 950 K)[1] |
Boiling point | 1,800 °C (3,270 °F; 2,070 K)[1] |
Structure | |
Trigonal, hR24 | |
R-3, No. 148 | |
Hazards | |
GHS labelling: | |
Warning | |
H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
NFPA 704 (fire diamond) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa).
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Ytterbium(III) bromide (YbBr3) is an inorganic chemical compound.
Refer to the adjacent table for the main properties of Ytterbium(III) bromide.
Preparation
Dissolving ytterbium oxide into 40% hydrobromic acid forms YbBr3·6H2O crystals. After mixing the hydrate with ammonium bromide and heating it in a vacuum, anhydrous YbBr3 can be obtained.[2]
- Yb2O3 + 6 HBr → 2 YbBr3 + 3 H2O
Ytterbium(III) bromide can also be prepared by directly heating ytterbium oxide and ammonium bromide.[3]
References
- ^ a b Walter Benenson; John W. Harris; Horst Stöcker (2002). Handbook of Physics. Springer. p. 781. ISBN 0-387-95269-1.
- ^ 林平娣, 吴国庆. 无水三溴化钐和三溴化镱的制备 Archived November 12, 2017, at the Wayback Machine. 化学试剂, 1991(1):13-14.
- ^ Gerd Meyer, Siegfried Dötsch, Thomas Staffel (1987). "The ammonium-bromide route to anhydrous rare earth bromides MBr3". Journal of the Less Common Metals. 127: 155–160. doi:10.1016/0022-5088(87)90372-9. Retrieved 2020-05-29.
{{cite journal}}
: CS1 maint: multiple names: authors list (link)
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