Holmium(III) bromide

Holmium(III) bromide
Names
	IUPAC name Tribromoholmium
	Systematic IUPAC name Holmium tribromide
Identifiers
CAS Number	13825-76-8 ;
3D model (JSmol)	Interactive image;
ChemSpider	75581;
ECHA InfoCard	100.034.099
EC Number	237-524-6;
PubChem CID	25212324;
UNII	BFW34L0Q59 ;
UN number	12141606
CompTox Dashboard (EPA)	DTXSID4065658 ;
	InChI InChI=1S/3BrH.Ho/h3*1H;/q;;;+3/p-3 Key: MZNSYJWLQLXLHE-UHFFFAOYSA-K;
	SMILES Br(Br)B;
Properties
Chemical formula	Br3Ho
Molar mass	404.64
Appearance	Yellow Crystalline Solid
Density	4.85 g/cm3
Melting point	919 °C (1,686 °F; 1,192 K)
Boiling point	1,470 °C (2,680 °F; 1,740 K)
Solubility in water	Will dissolve
log P	2.53680
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	50.1 kJ/mol
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Irritant to eyes, and skin, and internal organs.
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P305+P351+P338P271, P280, P302+P352, P304+P340, P362, P403+P233P405, P501
NFPA 704 (fire diamond)	2 0 0
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 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

^ ^a ^b ^c ^d ^e "Holmium(III) bromide anhydrous, powder, 99.99% trace metals basis | Sigma-Aldrich". www.sigmaaldrich.com. Retrieved 21 December 2016.
^ ^a ^b Elements, American. "Holmium Bromide". American Elements. Retrieved 21 December 2016.
^ 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". prochemonline.com. Retrieved 21 December 2016.
^ ^a ^b ^c "Holmium(III) bromide". Fischersci. Retrieved 21 December 2016.
^ "HOLMIUM BROMIDE | 13825-76-8". www.chemicalbook.com. Retrieved 21 December 2016.
^ Winter, Mark. "Holmium»reactions of elements [WebElements Periodic Table]". www.webelements.com. Retrieved 21 December 2016.

Zdroj:https://en.wikipedia.org?pojem=Holmium(III)_bromide
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[Sigmaaldrich-1] "Holmium(III) bromide anhydrous, powder, 99.99% trace metals basis | Sigma-Aldrich". www.sigmaaldrich.com. Retrieved 21 December 2016.

[Americanelements-2] Elements, American. "Holmium Bromide". American Elements. Retrieved 21 December 2016.

[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.

[Prochem-4] "Holmium Bromide | ProChem, Inc". prochemonline.com. Retrieved 21 December 2016.

[fishersci2-5] "Holmium(III) bromide". Fischersci. Retrieved 21 December 2016.

[Chembook-6] "HOLMIUM BROMIDE | 13825-76-8". www.chemicalbook.com. Retrieved 21 December 2016.

[Webelement-7] Winter, Mark. "Holmium»reactions of elements [WebElements Periodic Table]". www.webelements.com. Retrieved 21 December 2016.

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