Chemistry:Manganese(II) bromide

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
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)	0 1 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

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.