ヒドロキシジアセトキシ鉄(III)

ヒドロキシジアセトキシ鉄(III) 化学特性,用途語,生産方法

• 説明

  Ferric acetate is the coordination compound more commonly known as "basic iron acetate". With the formula [Fe₃O(OAc)₆(H₂O)₃]OAc (OAc is CH₃CO₂^-), it is a salt, composed of the cation [Fe₃(μ³-O)(OAc)₆(H₂O)₃]⁺ and an acetate anion . The formation of the red-brown complex has long been used as a test for ferric ions.

• 化学的特性

  Red powder. Soluble in alcohol and acids; insoluble in water. Combustible.

• 物理的性質

  Basic iron acetate forms on treating aqueous solutions of iron (III) sources with acetate salts.
  Early work showed that it is trinuclear.The Fe centres are equivalent, each being octahedral, being bound to six oxygen ligands, including a triply bridging oxide at the center of the equilateral triangle.The compound was an early example of a molecular compound of iron that features an oxide ligand. Ignoring its 24 hydrogen centres, the cation has D_3h symmetry.

• 使用

  In the textile industry as a mordant in dyeing and printing, and for the weighting of silk and felt; as wood preservative; in leather dyes.

• 反応性

  The terminal aqua ligands on the trimetallic frame work can be substituted with other ligands, such as pyridine and dimethyl formamide . Many different salts are known by exchanging the anion, e.g. [Fe3(μ³-O)(OAc)₆(H₂O)₃]Cl. Reduction of the cation affords the neutral mixed-valence derivative that contains one ferrous and two ferric centers. Mixed metal species are known such as [Fe₂CoO(OAc)₆(H₂O)₃].

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