Agent Name

Ferric pyrophosphate

CAS Number

10058-44-3

Formula

Fe.3/4H4-O7-P2

Major Category

Metals

Synonyms

Diphosphoric acid, iron(3+) salt (3:4); Iron pyrophosphate; Iron(3+) pyrophosphate; Pyrophosphoric acid, iron(3+) salt (3:4); Iron(III) pyrophosphate; Tetrairon tris(pyrophosphate); [ChemIDplus]

Category

Phosphates, Metallic Salts

Description

Nonahydrate: Yellowish-white solid, practically insoluble in water; [Merck Index] Beige crystalline solid; [MSDSonline]

Sources/Uses

Used as a catalyst, textile fireproofing agent, corrosion-resistant pigment, and medication (iron deficiency anemia); [Merck Index]

Comments

May cause irritation; [MSDSonline] See "Iron oxide (Fe2O3)."

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