Ferric Sodium Pyrophosphate
Title: Ferric Sodium Pyrophosphate
CAS Registry Number: 10045-87-1
Additional Names: Sodium ferric pyrophosphate
Molecular Formula: Fe4Na8O35P10
Molecular Weight: 1277.01
Percent Composition: Fe 17.49%, Na 14.40%, O 43.85%, P 24.25%
Literature References: Hydrate; Na8Fe4(P2O7).xH2O. The commercial product contains 15.5-16.5% Fe and 50.5-52.5% P2O5.
Properties: White powder. Bulk density 1.4-1.6. Sol in hydrochloric acid. Insol in water.
Use: Food enrichment. Less prone to induce rancidity than orthophosphates.
Status: This monograph has been retired and is no longer subject to revision or update.

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