This section is from the "A Handbook of Useful Drugs" book, by State Medical Examining and Licensing Boards.
Properties : Soluble ferric phosphate should contain the equivalent of 12 per cent, of metallic iron and occurs in thin, bright-green transparent scales without odor, and having an acidulous, slightly saline taste. It is freely soluble in water, but practically insoluble in alcohol.
Incompatibilities : Strong acids decompose it with formation of the astringent ferric compound of the acid used. Like other soluble salts of iron it is incompatible with alkalies, alkali carbonates and vegetable astringents.
Action and Uses : Soluble ferric phosphate has been recommended for the administration of iron in soluble form, it may be dissolved in water and flavored with simple elixir or sweetened with syrup.
Dosage: 0.25 gm. or 4 grains.