Manganese(II) bromide

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
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
ECHA InfoCard	100.033.251
EC Number	(anhydrous): 236-591-9 (tetrahydrate): 629-337-7
PubChem CID	(anhydrous): 83471 (tetrahydrate): 19915385
UNII	(anhydrous): U70U4T7N6S Y (tetrahydrate): 8308V6RBJ5 Y
CompTox Dashboard (EPA)	(anhydrous): DTXSID2065460
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 labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H312, H332
Precautionary statements	P280
NFPA 704 (fire diamond)	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). N verify (what is YN ?) Infobox references

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