
Goyal Chem Associates
New DelhiOther Names:
Iron(III) pyrophosphate
Ferric diphosphate
INS No. E579 (as a food additive)
Chemical Formula: Fe₄(P₂O₇)₃
Molecular Weight: ~745.21 g/mol
Appearance: Pale yellow to light tan fine powder
Odor: Odorless
Taste: Tasteless to slightly metallic
| Property | Value |
|---|---|
| Iron content | ~25% (elemental Fe) |
| Solubility in Water | Practically insoluble (used in dispersible or microencapsulated form) |
| pH (1% solution) | ~4–6 |
| Form | Fine powder or granules (sometimes spray-dried or encapsulated for improved bioavailability) |
| Stability | Stable under normal storage conditions; non-hygroscopic |
| Sector | Use |
|---|---|
| Nutritional Supplements | Iron fortification in tablets, capsules, powders |
| Infant Formula | As a gentle iron source (non-metallic taste, low reactivity) |
| Food Fortification | Cereal, flour, rice, noodles, beverages, dairy |
| Medical Nutrition | Enteral feeds, dietary blends for anemia or iron-deficiency |
✅ Used when taste masking, color stability, and GI tolerance are priorities
🌟 Why Use Ferric Pyrophosphate?Better organoleptic properties than ferrous sulfate or fumarate (less metallic taste or discoloration)
Milder on stomach – fewer side effects like constipation or nausea
Stable in many food matrices
Widely accepted for use in sensitive applications like baby food and beverages
View export-ready suppliers