Holmium(III) bromide

Holmium(III) bromide  Names

IUPAC name

Tribromoholmium

Systematic IUPAC name

Holmium tribromide

Identifiers

CAS Number

* 13825-76-8 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 75581

EC Number |

* 237-524-6

PubChem CID

* 25212324

UNII |

* BFW34L0Q59 Y

UN number | 12141606

InChI

* InChI=1S/3BrH.Ho/h3*1H;/q;;;+3/p-3

Key: MZNSYJWLQLXLHE-UHFFFAOYSA-K

SMILES

* Br[Ho](Br)B

Properties

Chemical formula

| 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]

Solubility in water

| 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

GHS hazard statements

| H315, H319, H335[1]

GHS precautionary statements

| 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. ↑ 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%+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.

* v
* t
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Holmium compounds

* HoBr3
* HoCl3
* Ho2O3
* Ho2Ti2O7

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*[CID]: Compound ID
*[H315]: Causes skin irritation
*[H319]: Causes serious eye irritation
*[H335]: May cause respiratory irritation
*[P261]: Avoid breathing dust/fume/gas/mist/vapours/spray
*[P305+351+338]: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
*[P271]: Use only outdoors or in a well-ventilated area
*[P280]: Wear protective gloves/protective clothing/eye protection/face protection
*[P302+352]: IF ON SKIN: Wash with soap and water
*[P304+340]: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
*[P362]: Take off contaminated clothing and wash before reuse
*[P403+233]: Store in a well ventilated place. Keep container tightly closed
*[P405]: Store locked up
*[P501]: Dispose of contents/container to …
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