Title: Ferric Pyrophosphate
CAS Registry Number: 10058-44-3
CAS Name: Diphosphoric acid iron(3+) salt (3:4)
Trademarks: Ferro Angelini (Angelini)
Molecular Formula: Fe4O21P6
Molecular Weight: 745.21
Percent Composition: Fe 29.98%, O 45.09%, P 24.94%
Line Formula: Fe4(P2O7)3
Literature References: Prepn:
Gmelins, Iron (8th ed.)
59, part B, 777 (1932); H. M. Knight, J. T. Kelly,
US 3014784 (1962 to American Oil). Magnetic structural study: W. M. Reiff, C. C. Torardi,
Hyperfine Interact. 53, 403 (1990). Bioavailability: H. Tsuchita
et al., J. Agric. Food Chem. 39, 316 (1991). Clinical evaluation in hemodialysis: A. Gupta
et al., Kidney Int. 55, 1891 (1999).
Derivative Type: Nonahydrate
CAS Registry Number: 10049-18-0
Properties: Yellowish-white powder. Practically insol in water or acetic acid. Sol in mineral acids.
Use: As catalyst; in fireproofing of synthetic fibers; in corrosion-preventing pigments.
Therap-Cat: Hematinic.
Keywords: Hematinic.