Cupric citrate

Cupric citrate (CAS 866-82-0 ), also known as copper citrate, is an inorganic copper salt used across food, pharmaceutical, and agricultural applications as a source of bioavailable copper and a chelating agent.

It binds metal ions and delivers controlled copper content in formulations where ionic copper alone would be too reactive or unstable. In food and dietary supplement manufacturing, it functions as a copper mineral fortifier.

The material is added to infant formulas, multivitamins, and functional foods to meet declared copper content requirements. Pharmaceutical formulators use it as a copper source in parenteral nutrition solutions.

It is also utilized in oral mineral preparations where precise dosing and stability are critical. In agriculture, it serves as a micronutrient additive in animal feed premixes and fertilizer blends.

This compound is effective for correcting copper deficiencies in livestock and crops. Its biocidal properties also support use in antimicrobial coatings and preservation systems where slow copper ion release is required.

Cupric citrate is supplied as a fine powder or crystalline solid. It is available in food-grade and feed-grade specifications, with some suppliers offering material compliant with USP or FCC monographs.

Purity levels and copper content declarations vary by grade, so buyers should confirm specification sheets against their formulation requirements to ensure the product meets all necessary safety standards.

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