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]
 |
| Names | |
|---|---|
| IUPAC name
Tribromoholmium | |
| Systematic IUPAC name
Holmium tribromide | |
| Identifiers | |
3D model (JSmol) |
|
| ChemSpider | |
| ECHA InfoCard | 100.034.099 |
| EC Number |
|
PubChem CID |
|
| UNII | |
| UN number | 12141606 |
CompTox Dashboard (EPA) |
|
| |
| |
| 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 |
Irritant to eyes, and skin, and internal organs. |
| GHS labelling: | |
 | |
| 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).
| |
Reactions
Holmium(III) bromide is formed as a result of the reaction:[7]
- 2 Ho(s) + 3 Br2(g) → 2 HoBr3(s)
Holmium(III) bromide reacts with strong oxidising agents. When involved in a fire, holmium bromide may release hydrogen bromide, and metal oxide fumes.[5]
References
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
