Manganese oxalate is a chemical compound, a salt of manganese and oxalic acid with the chemical formula MnC
2O
4.[2][3] The compound creates light pink crystals, does not dissolve in water, and forms crystalline hydrates.[4] It occurs naturally as the mineral Lindbergite.[5]
Names | |
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Other names
Manganese(II) oxalate, Manganese(2+) oxalate, Lindbergite
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Identifiers | |
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3D model (JSmol)
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ChemSpider |
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ECHA InfoCard | 100.010.335 |
EC Number |
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PubChem CID
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UNII |
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CompTox Dashboard (EPA)
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Properties | |
C2MnO4 | |
Molar mass | 142.956 g·mol−1 |
Appearance | Light pink crystals |
Density | 2.43 |
insoluble | |
Solubility product (Ksp)
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1.7×10−7[1] |
Hazards | |
GHS labelling: | |
Warning | |
H302, H312 | |
P264, P270, P280, P301+P312, P302+P352, P312, P322, P330, P363, P501 | |
Related compounds | |
Related compounds
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Magnesium oxalate Strontium oxalate Barium oxalate Iron(II) oxalate Iron(III) oxalate Praseodymium oxalate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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Exchange reaction between sodium oxalate and manganese chloride:
Manganese oxalate forms light pink crystals.
It does not dissolve in water, p Ksp= 6.8.
Forms crystalline hydrates of the composition MnC2O4•n H2O, where n = 2 and 3.[6]
Crystalline hydrate of the composition MnC2O4•2H2O forms light pink crystals of the orthorhombic system, space group P212121, cell parameters a = 0.6262 nm, b = 1.3585 nm, c = 0.6091 nm, Z = 4, melts in its own crystallization water at 100°C.[7][8]
Decomposes on heating: