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Manganese(II) bromide

Summary

Manganese(II) bromide is the chemical compound composed of manganese and bromine with the formula MnBr2.

Manganese(II) bromide
Manganese(II) bromide
Names
IUPAC name
Manganese(II) bromide
Identifiers
  • (anhydrous): 13446-03-2 (anhydrous) checkY
  • (tetrahydrate): 10031-20-6 checkY
3D model (JSmol)
  • (anhydrous): Interactive image
  • (tetrahydrate): Interactive image
ChemSpider
  • (anhydrous): 75309 checkY
  • (tetrahydrate): 14499397
ECHA InfoCard 100.033.251 Edit this at Wikidata
EC Number
  • (anhydrous): 236-591-9
  • (tetrahydrate): 629-337-7
  • (anhydrous): 83471
  • (tetrahydrate): 19915385
UNII
  • (anhydrous): U70U4T7N6S checkY
  • (tetrahydrate): 8308V6RBJ5 checkY
  • (anhydrous): DTXSID2065460 Edit this at Wikidata
  • InChI=1S/2BrH.Mn/h2*1H;/q;;+2/p-2 ☒N
    Key: RJYMRRJVDRJMJW-UHFFFAOYSA-L checkY
  • (anhydrous): InChI=1/2BrH.Mn/h2*1H;/q;;+2/p-2
    Key: RJYMRRJVDRJMJW-NUQVWONBAV
  • (tetrahydrate): InChI=1S/2BrH.Mn.4H2O/h2*1H;;4*1H2/q;;+2;;;;/p-2
    Key: HHDPJRSXPOGIOP-UHFFFAOYSA-L
  • (anhydrous): [Mn](Br)Br
  • (tetrahydrate): O.O.O.O.[Mn+2].[Br-].[Br-]
Properties
MnBr2
Molar mass 214.746 g/mol (anhydrous)
286.60 g/mol (tetrahydrate)
Appearance pink crystalline
Density 4.385 g/cm3
Melting point 698 °C (1,288 °F; 971 K) (anhydrous)
64 °C (tetrahydrate)
Boiling point 1,027 °C (1,881 °F; 1,300 K)
146 g/100 mL at 20 °C[1]
+13,900·10−6 cm3/mol
Structure
Trigonal, hP3, SpaceGroup = P-3m1, No. 164
octahedral
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H302, H312, H332
P280
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
1
0
1
Flash point Non-flammable
Related compounds
Other anions
 Manganese(II) fluoride
Manganese(II) chloride
Manganese(II) iodide
Other cations
 Iron(II) bromide
Cobalt(II) bromide
Manganese(III) bromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

It can be used in place of palladium in the Stille reaction, which couples two carbon atoms using an organotin compound.[2]

References edit

  1. ^ http://sites.chem.colostate.edu/diverdi/all_courses/CRC%20reference%20data/solubility%20of%20inorganic%20compounds.pdf [dead link]
  2. ^ Cepanec, Ivica (2004). Synthesis of Biaryls. Elseveir. p. 104. ISBN 0-08-044412-1. Retrieved 2008-06-18.