Iron(II) acetate
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| Template:Longitem | Template:Chembox Elements/molecular formula |
| Molar mass | Template:Chem molar mass |
| Appearance | White crystals (anhydrous) Light green crystals (tetrahydrate) |
| Odor | Odorless |
| Density | 1.734 g/cm3 (−73 °C)[1] |
| Melting point | Template:Chembox CalcTemperatures |
| Template:Longitem | Orthorhombic, oP75 (200 K) |
| Template:Longitem | Pbcn, No. 60 (200 K)[1] |
| Template:Longitem | a = 18.1715(4) Å, b = 22.1453(5) Å, c = 8.2781(2) Å (200 K) α = 90°, β = 90°, γ = 90°
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| NFPA 704 (fire diamond) | Template:NFPA 704 diamond |
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Iron(II) acetate describes compounds with formula Template:Chem2 where x can be 0 (anhydrous) or 4 (tetrahydrate). The anhydrous compound is a white solid, although impure samples can be slightly colored.[1] The tetrahydrate is light green solid that is highly soluble in water.
Preparation and structure
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Iron powder reacts with acetic acid to give the ferrous acetate, with evolution of hydrogen gas:[4][1]
- Fe + 2 CH3CO2H → Fe(CH3CO2)2 + H2
Reaction of scrap iron with acetic acid affords a brown mixture of various iron(II) and iron(III) acetates that are used in dyeing.[5]
It can also be made from the insoluble, olive green, Iron(II) carbonate.Script error: No such module "Unsubst".
It adopts a polymeric structure with octahedral Fe(II) centers interconnected by acetate ligands. It is a coordination polymer.[1]
Uses
Ferrous acetate is used as a mordant by the dye industry. Ebonizing wood is one such process.[6]
References
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- ↑ a b c d e f Script error: No such module "Citation/CS1".
- ↑ a b Template:CRC90
- ↑ a b c d Sigma-Aldrich Co., Iron(II) acetate. Retrieved on 2014-05-03.
- ↑ Script error: No such module "citation/CS1".
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- ↑ Ebonizing Wood with Ferric Acetate
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