Thulium(III) bromide

Thulium(III) bromide

Names
IUPAC name Tribromothulium
Identifiers
CAS Number	14456-51-0
3D model (JSmol)	Interactive image
ECHA InfoCard	100.034.934
EC Number	238-444-4
PubChem CID	84454
CompTox Dashboard (EPA)	DTXSID80932335
InChI InChI=1S/3BrH.Tm/h3*1H;/q;;;+3/p-3 Key: HQSWGSFQSCMHFQ-UHFFFAOYSA-K
SMILES [Tm+3].[Br-].[Br-].[Br-]
Properties
Chemical formula	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]
Solubility in water	Soluble[2]
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335[3]
Precautionary statements	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)	2 0 0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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]

Usage

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

1. Elements, American. "Thulium Bromide". American Elements. Retrieved 21 December 2016.
2. "14456-51-0 - Thulium(III) bromide, ultra dry, 99.99% (REO) - 47196 - Alfa Aesar". www.alfa.com. Retrieved 21 December 2016.
3. "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.