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Ammonium Ferric Citrate: Formulas and Reliable Sourcing Guide

Introduction
Ammonium ferric citrate (AFC) is a water-soluble iron complex widely used in pharmaceuticals, food additives, and industrial applications. Understanding its chemical formulas and sourcing high-quality AFC is crucial for manufacturers and researchers.

Chemical Formulas of Ammonium Ferric Citrate
Ammonium ferric citrate exists in two primary forms:

1. Brown Ammonium Ferric Citrate (C6H8O7·xFe3+·yNH3) – Contains higher iron content and is commonly used in medical applications.
2. Green Ammonium Ferric Citrate (C6H8O7·xFe3+·yNH3) – Contains less iron and is often used in food fortification.

Both forms are derived from citric acid, iron (III) hydroxide, and ammonia, ensuring bioavailability and stability.

Key Applications
– Pharmaceuticals: Used in iron supplements and contrast agents for imaging.
– Food Industry: Acts as a nutrient supplement in fortified foods.
– Industrial Uses: Employed in wastewater treatment and chemical synthesis.

Reliable Sourcing of Ammonium Ferric Citrate
To ensure high-quality AFC, consider the following sourcing tips:

1. Certified Suppliers – Choose manufacturers with ISO, GMP, or USP certifications.
2. Purity & Testing – Verify third-party lab reports for heavy metals and impurities.
3. Bulk vs. Small Quantities – Reputable suppliers offer flexible packaging options.
4. Global Sourcing – Leading producers include China, the U.S., and Europe.

Conclusion
Ammonium ferric citrate is a versatile compound with critical applications. By understanding its formulas and sourcing from trusted suppliers, businesses can ensure product quality and compliance with industry standards.