Wikipedia

Thulium(III) bromide

Thulium(III) bromide is a crystalline compound of one thulium atom and three bromine atoms.[5] The salt is a white powder at room temperature.[1] It is hygroscopic.[6]

Thulium(III) bromide
Names
IUPAC name
Tribromothulium
Identifiers
3D model (JSmol)
ECHA InfoCard 100.034.934 Edit this at Wikidata
EC Number
  • 238-444-4
  • InChI=1S/3BrH.Tm/h3*1H;/q;;;+3/p-3
    Key: HQSWGSFQSCMHFQ-UHFFFAOYSA-K
  • [Tm+3].[Br-].[Br-].[Br-]
Properties
TmBr3
Molar mass 408.65[1]
Appearance White crystalline solid
Melting point 952 °C (1,746 °F; 1,225 K)[1]
Boiling point 1,440 °C (2,620 °F; 1,710 K)[1]
Soluble[2]
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335[3]
P261, P305+P351+P338[3] P264, P271, P280, P302+P352, P304+P340, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501[4]
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
0
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Usage

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Thulium(III) bromide is used as a reagent for the complexation of lanthanide bromides with aluminium bromide, and as a reactant for preparing alkali metal thulium bromides.[2] It is also used to create discharge lamps that are free of mercury.[7]

References

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  1. ^ a b c d Elements, American. "Thulium Bromide". American Elements. Retrieved 21 December 2016.
  2. ^ a b "14456-51-0 - Thulium(III) bromide, ultra dry, 99.99% (REO) - 47196 - Alfa Aesar". www.alfa.com. Retrieved 21 December 2016.
  3. ^ a b "Thulium(III) bromide anhydrous, powder, 99.99% | Sigma-Aldrich". www.sigmaaldrich.com. Retrieved 21 December 2016.
  4. ^ "Thulium bromide | Br3Tm - PubChem". pubchem.ncbi.nlm.nih.gov. Retrieved 21 December 2016.
  5. ^ Phillips, Sidney L.; Perry, Dale L. (1995). Handbook of inorganic compounds. Boca Raton: CRC Press. p. 415. ISBN 9780849386718.
  6. ^ "THULIUM BROMIDE | 14456-51-0". www.chemicalbook.com. Retrieved 21 December 2016.
  7. ^ Kashiwagi, Takahito; Ishida, Masazumi; Matsuda, Mikio; Uemura, Kozo (2007). "Mercury-free high-pressure discharge lamp and luminaire using the same". Retrieved 21 December 2016.
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