Ferric ammonium oxalate (ammonium ferrioxalate, ammonium tris(oxalato)ferrate) is the
ammonium
The ammonium cation is a positively-charged polyatomic ion with the chemical formula or . It is formed by the protonation of ammonia (). Ammonium is also a general name for positively charged or protonated substituted amines and quaternary a ...
salt of the anionic trisoxalato
coordination complex
A coordination complex consists of a central atom or ion, which is usually metallic and is called the ''coordination centre'', and a surrounding array of bound molecules or ions, that are in turn known as ''ligands'' or complexing agents. Many ...
of iron(III). It is a precursor to iron oxides, diverse
coordination polymer
A coordination polymer is an inorganic or organometallic polymer structure containing metal cation centers linked by ligands. More formally a coordination polymer is a coordination compound with repeating coordination entities extending in 1, 2, o ...
s, and
Prussian Blue
Prussian blue (also known as Berlin blue, Brandenburg blue or, in painting, Parisian or Paris blue) is a dark blue pigment produced by oxidation of ferrous ferrocyanide salts. It has the chemical formula Fe CN)">Cyanide.html" ;"title="e(Cyani ...
. The latter behavior is relevant to the manufacture of
blueprint paper. Ferric ammonium oxalate has also been used in the synthesis of superconducting salts with bis(ethylene)dithiotetrathiafulvalene (BEDT-TTF), see
Organic superconductor
An organic superconductor is a synthetic organic compound that exhibits superconductivity at low temperatures.
As of 2007 the highest achieved critical temperature for an organic superconductor at standard pressure is , observed in the alkali-do ...
.
See also
*
Potassium ferrioxalate
Potassium ferrioxalate, also called potassium trisoxalatoferrate or potassium tris(oxalato)ferrate(III) is a chemical compound with the formula []. It often occurs as the trihydrate . Both are crystalline compounds, lime green in colour.A. Sarith ...
References
External links
* http://www.chemblink.com/products/13268-42-3.htm
* http://chemicalland21.com/specialtychem/perchem/FERRIC%20AMMONIUM%20OXALATE.htm
Ammonium compounds
Iron(III) compounds
Oxalato complexes
Double salts
{{Inorganic-compound-stub