application

Ferric Sodium Edetate: Formulas and Manufacturing Process

Introduction
Ferric sodium edetate is a chelated iron compound widely used in agriculture, pharmaceuticals, and food fortification. Its stable structure ensures high bioavailability, making it an effective iron supplement. This article explores the chemical formula and manufacturing process of ferric sodium edetate.

Chemical Formula
The molecular formula of ferric sodium edetate is C₁₀H₁₂FeN₂NaO₈. It is formed by the chelation of ferric ions (Fe³⁺) with ethylenediaminetetraacetic acid (EDTA) and sodium hydroxide (NaOH). The compound ensures iron remains soluble and easily absorbed by plants and humans.

Manufacturing Process

1. Raw Material Preparation
The production begins with high-purity EDTA, ferric chloride (FeCl₃), and sodium hydroxide (NaOH). These materials must meet pharmaceutical or agricultural-grade standards.

2. Chelation Reaction
– EDTA is dissolved in water under controlled pH (8-10) using NaOH.
– Ferric chloride is slowly added, allowing Fe³⁺ to bind with EDTA, forming ferric EDTA.
– The reaction is monitored to ensure complete chelation.

3. Neutralization & Crystallization
– The pH is adjusted to stabilize the compound.
– The solution is concentrated and cooled to crystallize ferric sodium edetate.

4. Drying & Packaging
– The crystals are dried under controlled conditions to prevent degradation.
– The final product is milled, tested for purity, and packaged for distribution.

Applications
– Agriculture: Used as a foliar spray to treat iron deficiency in crops.
– Pharmaceuticals: An effective iron supplement in anemia treatments.
– Food Industry: Added to fortified foods to prevent iron deficiency.

Conclusion
Ferric sodium edetate is a highly efficient iron chelate with a well-defined manufacturing process. Its stability and bioavailability make it essential in multiple industries. Understanding its formula and production ensures optimal use in various applications.