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Names | |
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IUPAC name
Manganese(2+) molybdate
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Identifiers | |
3D model (
JSmol)
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ECHA InfoCard | 100.034.371 |
EC Number |
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PubChem
CID
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CompTox Dashboard (
EPA)
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Properties | |
MnMoO4 | |
Molar mass | 214.876 g/mol (anhydrous) 232.901 g/mol (monohydrate) |
Appearance | white-yellow to beige crystals or powder [1] |
Density | 4.02 g/cm3 |
Melting point | 1,130 °C (2,070 °F; 1,400 K) |
insoluble | |
Refractive index (nD)
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2.11 |
Hazards | |
NFPA 704 (fire diamond) | |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
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Manganese(II) molybdate is an inorganic compound with the chemical formula MnMoO4. α-MnMoO4 has a monoclinic crystal structure. [2] It is also antiferromagnetic at low temperatures. [3]
Manganese(II) molybdate can be prepared through a double displacement reaction between sodium molybdate and manganese sulphate: [1]
Manganese(II) molybdate has minimal solubility in water and will form a white-yellow precipitate which turns beige upon being refluxed. [1] The precipitate can then be filtered from solution, which gives the monohydrate (MnMoO4·H2O); heating to 360 °C then provides the anhydrous salt. [1]
Manganese(II) molybdate may also be prepared by heating various manganese oxides and molybdenum trioxide to 700 °C. [4]
MnMoO4 serves as the active material in electrodes for aqueous supercapacitors [2] [5] due to fast pseudocapacitive redox reactions. It has been evaluated as catalyst for hydrogen evolution. [5]
![]() | |
Names | |
---|---|
IUPAC name
Manganese(2+) molybdate
| |
Identifiers | |
3D model (
JSmol)
|
|
ECHA InfoCard | 100.034.371 |
EC Number |
|
PubChem
CID
|
|
CompTox Dashboard (
EPA)
|
|
| |
| |
Properties | |
MnMoO4 | |
Molar mass | 214.876 g/mol (anhydrous) 232.901 g/mol (monohydrate) |
Appearance | white-yellow to beige crystals or powder [1] |
Density | 4.02 g/cm3 |
Melting point | 1,130 °C (2,070 °F; 1,400 K) |
insoluble | |
Refractive index (nD)
|
2.11 |
Hazards | |
NFPA 704 (fire diamond) | |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
|
Manganese(II) molybdate is an inorganic compound with the chemical formula MnMoO4. α-MnMoO4 has a monoclinic crystal structure. [2] It is also antiferromagnetic at low temperatures. [3]
Manganese(II) molybdate can be prepared through a double displacement reaction between sodium molybdate and manganese sulphate: [1]
Manganese(II) molybdate has minimal solubility in water and will form a white-yellow precipitate which turns beige upon being refluxed. [1] The precipitate can then be filtered from solution, which gives the monohydrate (MnMoO4·H2O); heating to 360 °C then provides the anhydrous salt. [1]
Manganese(II) molybdate may also be prepared by heating various manganese oxides and molybdenum trioxide to 700 °C. [4]
MnMoO4 serves as the active material in electrodes for aqueous supercapacitors [2] [5] due to fast pseudocapacitive redox reactions. It has been evaluated as catalyst for hydrogen evolution. [5]