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What Is the Chemical Formula of Ferric Phosphate?

Ferric phosphate is an inorganic compound commonly used in agriculture, water treatment, and dietary supplements. Its chemical formula is FePO₄, representing one iron (Fe³⁺) ion bonded to one phosphate (PO₄³⁻) ion.

Understanding Ferric Phosphate

Ferric phosphate, also known as iron(III) phosphate, is a key source of iron in fertilizers and animal feed. It is valued for its low toxicity and environmental safety compared to other iron compounds.

Key Properties
– Chemical Formula: FePO₄
– Molar Mass: 150.82 g/mol
– Appearance: Yellowish-brown powder
– Solubility: Insoluble in water but soluble in acids

Applications of Ferric Phosphate

1. Agriculture: Used as a slow-release fertilizer to prevent iron deficiency in plants.
2. Animal Nutrition: Added to livestock feed to promote healthy blood cell production.
3. Water Treatment: Helps remove phosphates from wastewater to prevent algae growth.
4. Food Additive: Approved as a food fortifier (E343) in some regions.

Differences from Ferrous Phosphate

Unlike ferric phosphate (FePO₄), ferrous phosphate (Fe₃(PO₄)₂) contains iron in the +2 oxidation state. Ferrous phosphate is more soluble and often used in dietary supplements.

Conclusion

Ferric phosphate (FePO₄) is an essential compound in multiple industries due to its stability and iron content. Whether in agriculture, nutrition, or water treatment, it plays a crucial role in maintaining plant, animal, and environmental health.