Manganese(II) bromide

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Manganese(II) bromide
Manganese(II) bromide
CAS number 13446-03-2 (anhydrous) YesY, 10031-20-6 (tetrahydrate) YesY
PubChem 83471
Molecular 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]
Crystal structure Rhombohedral, hP3, SpaceGroup = P-3m1, No. 164
EU classification Harmful (Xn)
R-phrases R20/21/22
S-phrases S36[2]
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentine Reactivity code 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g., calcium Special hazards (white): no codeNFPA 704 four-colored 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 noted otherwise, 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 .[3]