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Ferrous Fumarate: Key Chemical Properties and Applications

Ferrous fumarate is an iron supplement widely used in pharmaceuticals and food fortification. Understanding its chemical properties is essential for industries relying on its stability and bioavailability.

Chemical Composition and Structure
Ferrous fumarate (C₄H₂FeO₄) consists of iron (Fe²⁺) bound to fumaric acid, a dicarboxylic acid. Its molecular weight is 169.9 g/mol, and it appears as a reddish-orange powder with low solubility in water but better solubility in acidic conditions.

Key Chemical Properties
1. Stability – Ferrous fumarate remains stable under dry conditions but may oxidize in humid environments, converting Fe²⁺ to Fe³⁺. Proper storage in airtight containers is crucial.
2. Solubility – It dissolves poorly in water but improves in gastric acid, enhancing iron absorption in the body.
3. pH Sensitivity – Its solubility increases in acidic media (pH <3), making it ideal for iron supplements that dissolve in the stomach. 4. Reactivity – It reacts with oxidizing agents, requiring careful handling to prevent degradation. Industrial and Pharmaceutical Applications Due to its high iron content (about 33%), ferrous fumarate is a preferred choice for: - Dietary Supplements – Effectively treats iron-deficiency anemia. - Food Fortification – Added to cereals and flour to improve nutritional value. - Chemical Synthesis – Used in catalysts and specialty chemical production. SEO-Optimized Keywords - Ferrous fumarate chemical formula - Iron supplement stability - Solubility of ferrous fumarate - Benefits of ferrous fumarate - Pharmaceutical uses of iron compounds Understanding these chemical properties ensures optimal use in medical and industrial applications while maintaining efficacy and safety.