Chemistry:Holmium(III) bromide
From HandWiki
| Names | |
|---|---|
| IUPAC name
Tribromoholmium
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| Systematic IUPAC name
Holmium tribromide | |
| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
| EC Number |
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PubChem CID
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| UNII | |
| UN number | 12141606 |
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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 | |
| Main hazards | Irritant to eyes, and skin, and internal organs. |
| GHS pictograms | 
|
| GHS Signal word | Warning |
| H315, H319, H335[1] | |
| P261, P305+351+338[1]P271, P280, P302+352, P304+340, P362, P403+233[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). | |
| Infobox references | |
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]
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
- ↑ 1.0 1.1 1.2 1.3 1.4 "Holmium(III) bromide anhydrous, powder, 99.99% trace metals basis | Sigma-Aldrich". http://www.sigmaaldrich.com/catalog/product/aldrich/439762?lang=en®ion=US.
- ↑ 2.0 2.1 Elements, American. "Holmium Bromide". https://www.americanelements.com/holmium-bromide-13825-76-8.
- ↑ Haynes, William M. (2013). CRC handbook of chemistry and physics : a ready-reference book of chemical and physical data. (94th ed.). CRC Press. p. 148. ISBN 9781466571150.
- ↑ "Holmium Bromide | ProChem, Inc.". https://prochemonline.com/product/holmiumbromide-1972.
- ↑ 5.0 5.1 5.2 "Holmium(III) bromide". https://www.fishersci.com/shop/msdsproxy?productName=AA1429203&productDescription=HOLMIUM(III)+BROMIDE+99.98%25+1G&catNo=AA1429203&vendorId=VN00024248&storeId=10652.
- ↑ "HOLMIUM BROMIDE | 13825-76-8". http://www.chemicalbook.com/ChemicalProductProperty_EN_CB5674336.htm.
- ↑ Winter, Mark. "Holmium»reactions of elements [WebElements Periodic Table"]. https://www.webelements.com/holmium/chemistry.html.
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