Manganese(II) bromide

Names
IUPAC name

Manganese(II) bromide

Identifiers

CAS Number

* (anhydrous): 13446-03-2 (anhydrous) Y
* (tetrahydrate): 10031-20-6 Y

3D model (JSmol)

* (anhydrous): Interactive image
* (tetrahydrate): Interactive image

ChemSpider |

* (anhydrous): 75309 Y
* (tetrahydrate): 14499397

EC Number |

* (anhydrous): 236-591-9
* (tetrahydrate): 629-337-7

PubChem CID

* (anhydrous): 83471
* (tetrahydrate): 19915385

UNII |

* (anhydrous): U70U4T7N6S Y
* (tetrahydrate): 8308V6RBJ5 Y

InChI

* InChI=1S/2BrH.Mn/h2*1H;/q;;+2/p-2 N

Key: RJYMRRJVDRJMJW-UHFFFAOYSA-L Y

* (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

SMILES

* (anhydrous): [Mn](Br)Br

* (tetrahydrate): O.O.O.O.[Mn+2].[Br-].[Br-]

Properties

Chemical formula

| 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)

Solubility in water

| 146 g/100 mL at 20 °C[1]

Magnetic susceptibility (χ)

| +13,900·10−6 cm3/mol
Structure

Crystal structure

| Trigonal, hP3, SpaceGroup = P-3m1, No. 164

Coordination geometry

| octahedral
Hazards
GHS pictograms |
GHS Signal word | Warning

GHS hazard statements

| H302, H312, H332

GHS precautionary statements

| P280
NFPA 704 (fire diamond)  |

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).

N verify (what is YN ?)
Infobox references

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

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

## References

1. ↑ http://sites.chem.colostate.edu/diverdi/all_courses/CRC reference data/solubility of inorganic compounds.pdf [|permanent dead link|dead link}}]
2. ↑ Cepanec, Ivica (2004). Synthesis of Biaryls. Elseveir. pp. 104. ISBN 0-08-044412-1. https://books.google.com/books?id=UMLOo1wXWdwC&q="Manganese(II)+bromide+"&pg=PA104. Retrieved 2008-06-18.

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* t
* e

Manganese compounds

* MnO
* Mn3O4
* Mn5O8
* MnS
* MnS2
* MnSO4
* MnSe2
* MnSe
* MnTe
* Mn(NO3)2
* MnCO3
* MnCl2
* MnCl3
* MnCl4
* MnF2
* MnBr2
* MnI2
* MnTiO3
* MnMoO4
* Mn(CH3COO)2
* Mn2O3
* MnF3
* K6Mn2O6
* MnO2
* Mn(OH)2
* MnO3
* K3MnO4
* MnF4
* Na2MnO4
* K2MnO4
* Mn2O7
* NaMnO4
* KMnO4
* NH4MnO4
* AgMnO4
* Ca(MnO4)2
* Ba(MnO4)2
* MnH(CO)5
* Mn2(CO)10

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*[CID]: Compound ID
*[H302]: Harmful if swallowed
*[H312]: Harmful in contact with skin
*[H332]: Harmful if inhaled
*[P280]: Wear protective gloves/protective clothing/eye protection/face protection
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