Chemistry:Iron(III) pyrophosphate
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Ferric pyrophosphate
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| Fe4(P2O7)3 | |
| Molar mass | 745.224 (anhydrate) 907.348 (nonahydrate) |
| Appearance | yellow solid (nonahydrate)[1] |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Iron(III) pyrophosphate is an inorganic chemical compound with the formula Fe4(P2O7)3.
Synthesis
Anhydrous iron(III) pyrophosphate can be prepared by heating the mixture of iron(III) metaphosphate and iron(III) phosphate under oxygen with the stoichiometric ratio 1:3. The reactants can be prepared by reacting iron(III) nitrate nonahydrate with phosphoric acid.[4]
It can be also prepared via the following reaction:[5]
- 3 Na4P2O7(aq) + 4 FeCl3(aq) → Fe4(P2O7)3(s) + 12 NaCl(aq)
References
- ↑ W.M.Haynes. CRC Handbook of Chemistry and Physics (97th edition). New York: CRC Press, 2016. pp 4-68
- ↑ "Summary Basis of Decision (SBD) for Triferic Avnu". 23 October 2014. https://hpr-rps.hres.ca/reg-content/summary-basis-decision-detailTwo.php?linkID=SBD00545&lang=en.
- ↑ "Triferic Avnu- ferric pyrophosphate citrate solution". 15 September 2020. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=51197a48-6078-42cd-b5ed-5ea22b6757b4.
- ↑ Elbouaanani, L.K; Malaman, B; Gérardin, R; Ijjaali, M (2002). "Crystal Structure Refinement and Magnetic Properties of Fe4(P2O7)3 Studied by Neutron Diffraction and Mössbauer Techniques". Journal of Solid State Chemistry (Elsevier BV) 163 (2): 412–420. doi:10.1006/jssc.2001.9415. ISSN 0022-4596. Bibcode: 2002JSSCh.163..412E.
- ↑ "Colloidal iron(III) pyrophosphate particles". Food Chem 151: 243–7. May 2014. doi:10.1016/j.foodchem.2013.11.050. PMID 24423528.
External links
- "Ferric pyrophosphate". Drug Information Portal. U.S. National Library of Medicine. https://druginfo.nlm.nih.gov/drugportal/name/ferric%20pyrophosphate.
- "Ferric pyrophosphate nonahydrate". Drug Information Portal. U.S. National Library of Medicine. https://druginfo.nlm.nih.gov/drugportal/name/ferric%20pyrophosphate%20nonahydrate.
- "Ferric pyrophosphate citrate". Drug Information Portal. U.S. National Library of Medicine. https://druginfo.nlm.nih.gov/drugportal/name/ferric%20pyrophosphate%20citrate.
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