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Holmium(III) bromide

Topic: Chemistry

 From HandWiki - Reading time: 4 min
Holmium(III) bromide
Names
IUPAC name
Tribromoholmium
Systematic IUPAC name
Holmium tribromide
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 237-524-6
UNII
UN number 12141606
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
50.1 kJ/mol [3]
Hazards
Main hazards Irritant to eyes, and skin, and internal organs.
GHS pictograms GHS07: Harmful
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)
NFPA 704 four-colored diamondFlammability code 0: Will not burn. E.g. waterHealth code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
0
2
0
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. ↑ 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&region=US. 
  2. ↑ 2.0 2.1 Elements, American. "Holmium Bromide". https://www.americanelements.com/holmium-bromide-13825-76-8. 
  3. ↑ 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. 
  4. ↑ "Holmium Bromide | ProChem, Inc.". https://prochemonline.com/product/holmiumbromide-1972. 
  5. ↑ 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. 
  6. ↑ "HOLMIUM BROMIDE | 13825-76-8". http://www.chemicalbook.com/ChemicalProductProperty_EN_CB5674336.htm. 
  7. ↑ Winter, Mark. "Holmium»reactions of elements [WebElements Periodic Table"]. https://www.webelements.com/holmium/chemistry.html. 



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