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Cas Database |
| Name |
Ferric pyrophosphate |
EINECS | 233-190-0 |
| CAS No. | 10058-44-3 | Density | N/A |
| PSA | 155.23000 | LogP | 0.93870 |
| Solubility | insoluble H2O, acetic acid; soluble mineral acids [MER06] | Melting Point |
N/A |
| Formula | Fe4.(P2O7)3 | Boiling Point | N/A |
| Molecular Weight | 745.218 | Flash Point | N/A |
| Transport Information | N/A | Appearance | yellowish white powder |
| Safety | 26-36 | Risk Codes | 36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
Ironpyrophosphate (Fe4(P2O7)3) (6CI,7CI);Pyrophosphoric acid, iron(3+) salt (3:4)(8CI);Arion;Feramol;Iron diphosphate (Fe4(P2O7)3);Iron phosphate (Fe4(P2O7)3);SunActive F-P 80;Sunactive Fe;Sunactive Fe 12;Sunactive Fe 80;Sunactive FeM;Tetrairon tris(pyrophosphate);Ferric Pyrophosphate FCC V;Diphosphoric acid,iron(3+) salt (3:4); |
Article Data | 17 |
Ferric pyrophosphate Synthetic route
| Conditions | Yield |
|---|---|
| In water pH=3; Product distribution / selectivity; | |
| With SUNLECITHIN A In water pH=3; Product distribution / selectivity; |
| Conditions | Yield |
|---|---|
| In neat (no solvent, solid phase) Fe(PO3)3 and FePO4 were heated at 940°C for 72 h under O2, annealed for 15 d under vac. at 900°C; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) calcining (900°C); |
| Conditions | Yield |
|---|---|
| In water evapn. of soln. Fe(NO3)3 and H3PO4, annealing (400°C, N2 atmosphere, 24 h); |
- 7722-76-1
ammonium dihydrogen phosphate
A
- 10058-44-3
ferric pyrophosphate
B
- 765207-04-3
iron(III) phosphate
| Conditions | Yield |
|---|---|
| With H2O2 In ethanol; water soln. of Fe(NH4)2(SO4)2*6H2O (pH 4.9) added at ambient temp. to stirred soln. of (NH4)H2PO4 in water-EtOH (1.5:1, v/v) in 1:1 vol. proportion; concd. soln. of H2O2 added; ppt. kept in contact with mother liquor for 30 min without stirring; ppt. collected on membrane filter; washed (H2O); dried at room temp. in air for 2 ds; calcined in air at 750°C for 10 h; monitored by X-ray diffraction; |
- 10058-44-3
ferric pyrophosphate
| Conditions | Yield |
|---|---|
| In neat (no solvent, solid phase) heated in Pt crucible under air at 900°C; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) calcination Fe2(HPO3)3*9H2O; generation of PH3 and formation of Fe4(P2O7)3 and Fe3(PO4)2 as residue;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: Fe2O3, C5H12N2, H2O; thermal decomposition in flowing oxygen at 700 °C; detn. by powder XRD, TGA; |
| Conditions | Yield |
|---|---|
| In neat (no solvent, solid phase) heating from room temp. up to 815°C; detd. by time-resolved X-ray thermal diffractometry in air; |
| Conditions | Yield |
|---|---|
| In neat (no solvent, solid phase) NH4Fe(HPO4)2 heated to 900°C in air; |
Ferric pyrophosphate Specification
The Ferric pyrophosphate, with the cas register number 10058-44-3, has its IUPAC name of iron(3+); phosphonato phosphate. This chemical is a kind of yellowish white powder with no smell, and is soluble in inorganic acid, aqueous alkali, and citryic acid, while insoluble in cold water. It belongs to the product categories which is inorganics. When store it, keep it at the room temperature.
The characteristics of this chemical are as following: (1)H-Bond Acceptor: 21; (2)Rotatable Bond Count: 0; (3)Exact Mass: 745.475545; (4)MonoIsotopic Mass: 745.475545; (5)Topological Polar Surface Area: 407; (6)Heavy Atom Count: 31; (7)Formal Charge: 0; (8)Complexity: 124; (9)Covalently-Bonded Unit Count: 7.
The production method of this chemical is as below: Firstly, add sodium pyrophosphate aqueous solution in the ferric chloride or ferric citrate solvent, and then get the sediment; Secondly, go through the process of filtering, rinsing, drying and smashing, and then you could get this chemical.
Followings are the usage of this chemical: It could be used as the nutrition enhancer in food industry, and also in other foods, such as strengthening milk powder, infant food and other general food; It could also be used as the food additives, reinforcer, synthetic fibre fireproofing agent, anticorrosive pigments and catalytic agent.
When you are dealing with this chemical, you should be very cautious. For a kind of irritant chemical, it is irritant to the skin and eyes, and it may cause inflammation to the skin or other mucous membranes. So you had better take the following instructions. Wear suitable protective clothing, gloves, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.
Additionally, you could obtain the molecular structure through converting the following datas:
(1)Canonical SMILES: [O-]P(=O)([O-])OP(=O)([O-])[O-].[O-]P(=O)([O-])OP(=O)([O-])[O-].[O-]P(=
O)([O-])OP(=O)([O-])[O-].[Fe+3].[Fe+3].[Fe+3].[Fe+3]
(2)InChI: InChI=1S/4Fe.3H4O7P2/c;;;;3*1-8(2,3)7-9(4,5)6/h;;;;3*(H2,1,2,3)(H2,4,5,
6)/q4*+3;;;/p-12
(3)InChIKey: CADNYOZXMIKYPR-UHFFFAOYSA-B
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