Names | |
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IUPAC name
Tribromoholmium
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Systematic IUPAC name
Holmium tribromide | |
Identifiers | |
3D model (
JSmol)
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ChemSpider | |
ECHA InfoCard | 100.034.099 |
EC Number |
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PubChem
CID
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UNII | |
UN number | 12141606 |
CompTox Dashboard (
EPA)
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Properties | |
Br3Ho | |
Molar mass | 404.64 [1] |
Appearance | Yellow Crystalline Solid |
Density | 4.85 g/cm3 [1] |
Melting point | 919 °C (1,686 °F; 1,192 K) [1] |
Boiling point | 1,470 °C (2,680 °F; 1,740 K) [2] |
Will dissolve | |
log P | 2.53680 |
Thermochemistry | |
Std enthalpy of
formation (ΔfH⦵298) |
50.1 kJ/mol [3] |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards
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Irritant to eyes, and skin, and internal organs. |
GHS labelling: | |
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Warning | |
H315, H319, H335 [1] | |
P261, P305+P351+P338 [1] P271, P280, P302+P352, P304+P340, P362, P403+P233 [4] P405, P501 [5] | |
NFPA 704 (fire diamond) | |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
|
Holmium(III) bromide is a crystalline compound made of one holmium atom and three bromine atoms. Holmium bromide is a yellow powder at room temperature. [2] Holmium bromide is hygroscopic. [6] Holmium bromide is odorless. [5]
Holmium(III) bromide is formed as a result of the reaction: [7]
Holmium(III) bromide reacts with strong oxidising agents. When involved in a fire, holmium bromide may release hydrogen bromide, and metal oxide fumes. [5]