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Ferric ammonium oxalate

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Ferric ammonium oxalate
Names

Other names ammonium ferrioxalate ammonium tris(oxalato)ferrate
Identifiers
CAS Number	14221-47-7 13268-42-3 triammonium ferric trioxalate trihydrate
3D model (JSmol)	Interactive image
ChemSpider	24761
ECHA InfoCard	100.034.612
EC Number	238-090-0
PubChem CID	26580
UNII	9437980SQM
UN number	3077
CompTox Dashboard(EPA)	DTXSID80890522
InChI InChI=1S/3C2H2O4.Fe.3H3N/c33-1(4)2(5)6;;;;/h3(H,3,4)(H,5,6);;3*1H3/q;;;+3;;;/p-3 Key: UEUDBBQFZIMOQJ-UHFFFAOYSA-K
SMILES C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].C(=O)(C(=O)[O-])[O-].[NH4+].[NH4+].[NH4+].[Fe+3]
Properties
Chemical formula	C₆H₁₂FeN₃O₁₂
Molar mass	374.016 g·mol⁻¹
Appearance	Green solid
Solubility in water	Soluble
Solubility inEthanol	Insoluble
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302,H312,H315,H319,H332,H335
Precautionary statements	P261,P264,P270,P271,P280,P301+P312,P302+P352,P304+P312,P304+P340,P305+P351+P338,P312,P321,P322,P330,P332+P313,P337+P313,P362,P363,P403+P233,P405,P501
NFPA 704 (fire diamond)	2 1 0
Safety data sheet (SDS)	External MSDS
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chemical compound

Ferric ammonium oxalate (also known asammonium ferrioxalate orammonium tris(oxalato)ferrate) is theammonium salt of the anionic trisoxalatocoordination complex of iron(III). It is a precursor to iron oxides, diversecoordination polymers, andPrussian Blue.^[1]^[2] The latter behavior is relevant to the manufacture ofblueprint paper. Ferric ammonium oxalate has also been used in the synthesis of superconducting salts with bis(ethylene)dithiotetrathiafulvalene (BEDT-TTF), seeOrganic superconductor.^[3]

References

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^Vaucher, Sébastien; Li, Mei; Mann, Stephen (2000). "Synthesis of Prussian Blue Nanoparticles and Nanocrystal Superlattices in Reverse Microemulsions".Angewandte Chemie International Edition.39 (10):1793–1796.doi:10.1002/(SICI)1521-3773(20000515)39:10<1793::AID-ANIE1793>3.0.CO;2-Y.PMID 10934364.
^Hussein, Gamal A.M.; Ismail, Hamdy M.; Attyia, Kairy M.E. (1995). "Physicochemical investigation of the decomposition products of ammonium metal carboxylates: Ammonium ferric oxalate hydrate".Journal of Analytical and Applied Pyrolysis.31:157–167.doi:10.1016/0165-2370(94)00825-L.
^Martin, Lee (2018-12-01)."Molecular conductors of BEDT-TTF with tris(oxalato)metallate anions"(PDF).Coordination Chemistry Reviews.376:277–291.doi:10.1016/j.ccr.2018.08.013.ISSN 0010-8545.