Edge Rewrite
// HTMLRewriter · presentation

This page was redesigned at the edge.

Cloudflare fetched the original article and streamed it through HTMLRewriter to apply an entirely new visual system without rebuilding the source page.

// request.cf · coarse context

A page that knows where it met you.

Only coarse request metadata is shown. This demo does not display or persist visitor IP addresses.

Country
US
Cloudflare location
CMH
Connection
HTTP/2
Language
Not provided

Ray ID: a26aff2fdbba90ce

Jump to content

// Workers AI · dad joke modeWhat did Holmium(III) bromide say? I'm bonded to you.

From Wikipedia, the free encyclopedia
(Redirected from Holmium bromide)
Holmium(III) bromide
Names
IUPAC name
Holmium(III) bromide
Other names
Holmium tribromide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.034.099 Edit this at Wikidata
EC Number
  • 237-524-6
UNII
UN number 12141606
  • InChI=1S/3BrH.Ho/h3*1H;/q;;;+3/p-3
    Key: MZNSYJWLQLXLHE-UHFFFAOYSA-K
  • Br[Ho](Br)B
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)
Will dissolve
log P 2.53680
Thermochemistry
50.1 kJ/mol [2]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Irritant to eyes, and skin, and internal organs.
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335[1]
P261, P305+P351+P338[1]P271, P280, P302+P352, P304+P340, P362, P403+P233[3]P405, P501<
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).

Holmium(III) bromide refers to the inorganic compound HoBr3 and its hydrate HoBr3(H2O)8. It can be prepared by heating holmium oxide with excess ammonium bromide under an atmosphere of hydrogen bromide.[4][5]

See also

[edit]

References

[edit]
  1. 1 2 3 4 5 "Holmium(III) bromide anhydrous, powder, 99.99% trace metals basis | Sigma-Aldrich". www.sigmaaldrich.com. Retrieved 21 December 2016.
  2. 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.
  3. "Holmium Bromide | ProChem, Inc". prochemonline.com. Retrieved 21 December 2016.
  4. K. Wetzel (1963). "Rare Earth Tribromides". In G. Brauer (ed.). Handbook of Preparative Inorganic Chemistry, 2nd Ed. Vol. 2. NY, NY: Academic Press. p. 1149.
  5. Gerd Meyer; Siegfried Dötsch; Thomas Staffel (1987). "The Ammonium-Bromide Route to Anhydrous Rare Earth Bromides MBr3". Journal of the Less Common Metals. 127: 155–160. doi:10.1016/0022-5088(87)90372-9. Retrieved 2020-05-29.