Iron(II) carbonate
Chemical, compound of iron carbon and oxygen / From Wikipedia, the free encyclopedia
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Iron(II) carbonate, or ferrous carbonate, is a chemical compound with formula FeCO
3, that occurs naturally as the mineral siderite. At ordinary ambient temperatures, it is a green-brown ionic solid consisting of iron(II) cations Fe2+
and carbonate anions CO2−
3.[5]
Quick Facts Names, Identifiers ...
Names | |
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Other names
ferrous carbonate | |
Identifiers | |
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.008.418 |
E number | E505 (acidity regulators, ...) |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
FeCO3 | |
Molar mass | 115.854 g/mol |
Appearance | white powder or crystals |
Density | 3.9 g/cm3[1] |
Melting point | decomposes |
0.0067 g/L;[2] Ksp = 1.28 × 10−11 [3] | |
Solubility product (Ksp) |
3.13×10−11[4] |
+11,300·10−6 cm3/mol | |
Structure | |
Hexagonal scalenohedral / Trigonal (32/m) Space group: R 3c, a = 4.6916 Å, c = 15.3796 Å | |
6 | |
Related compounds | |
Other anions |
iron(II) sulfate |
Other cations |
copper(II) carbonate, zinc carbonate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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