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223646

Sigma-Aldrich

Manganese(II) bromide

98%

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Synonym(s):
Dibromomanganese, Manganous bromide
Linear Formula:
MnBr2
CAS Number:
Molecular Weight:
214.75
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

98%

form

powder and chunks

density

4.385 g/mL at 25 °C (lit.)

SMILES string

Br[Mn]Br

InChI

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

InChI key

RJYMRRJVDRJMJW-UHFFFAOYSA-L

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General description

Manganese(II) bromide is an ionic compound soluble in water and polar solvents. It can be used in rechargeable batteries, particularly in redox flow batteries, due to its ability to store and release electrical energy efficiently. Additionally, it is also used in dye-sensitized solar cells as an electrolyte, to facilitate the conversion of light into electrical energy. In flow fuel cell applications, MnBr2 serves as an electrolyte that facilitates the conversion of chemical energy into electrical energy.

Application

Manganese(II) bromide can be used as:     
  • A key component the development of highly efficient phosphorescent green-light-emitting diodes (PHOLEDs).    
  • A precursor salt in the synthesis of manganese(II) bromide-based organic-inorganic hybrid materials for high-performance optoelectronic devices, particularly in the areas of green light-emitting diodes and UV photodetectors.     
  • A key component in the synthesis of magnetic polaronic and bipolaronic excitons in Mn (II) doped (TDMP) PbBr4: The study investigates ferromagnetism in Mn doped semiconductors and highlights the special electronic properties of Mn-doped lead bromides (Huang et al., 2022).

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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