Iron(II) molybdate
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| IUPAC name
Iron(II) molybdate
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| Identifiers | |
3D model (JSmol)
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PubChem CID
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| Properties | |
| FeMoO4 | |
| Molar mass | 215.78 g/mol |
| Appearance | Tan brown powder or crystals [1] |
| Density | 5.6 g/cm3 (20 °C) |
| Melting point | 1,115 °C (2,039 °F; 1,388 K) |
| 0.00766 g/100 mL (20 °C) 0.038 g/100 mL (100 °C) | |
| Thermochemistry | |
Heat capacity (C)
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118.5 J/mol K |
Std enthalpy of
formation (ΔfH⦵298) |
−1075 kJ/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Iron(II) molybdate is an inorganic compound with the chemical formula FeMoO4.[2]
Synthesis
[edit | edit source]Iron(II) molybdate is prepared by the reaction of iron(II) chloride or iron(II) sulfate[3] and sodium molybdate.
Due to its very low aqueous solubility, iron(II) molybdate precipitates out as a brown powder from the above reactions, which can then be obtained by filtration.
Applications
[edit | edit source]FeMoO4 has been used as relatively stable active material for anodes in Li-ion batteries for conversion reaction,[4] as anode material in aqueous supercapacitors due to fast redox reactions[3] and as catalyst for oxygen evolution in alkaline solutions.[5]
Safety
[edit | edit source]Iron(II) molybdate is toxic and may cause irritation. It should not be released into the environment. Inhalation of dusts should be avoided.
References
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- ^ University of Akron Chemical Database[permanent dead link]
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