Copper citrate (C6H8Cu2O7, MW 319.22, PubChem CID 120942) is a copper salt of citric acid used where a soluble, organically bound copper source is preferred over inorganic copper salts.
Why formulators choose it
- Solubility: suitable for liquid and powder systems where copper sulfate is undesirable.
- Citrate carrier: pairs naturally with citrate-based mineral blends.
- Dosing flexibility: copper is a trace mineral, so small inclusion rates keep premix economics favourable.
Main applications
- Mineral supplements: multivitamin and trace-mineral formulas.
- Food fortification: beverages and functional foods.
- Premixes: copper delivery in custom blends.
Specification snapshot
- PubChem CID: 120942 · Formula: C6H8Cu2O7 · MW: 319.22
- Assay and appearance confirmed per batch by COA
Formulation notes
Copper is a trace mineral: overage and homogeneity matter more than dose. Premix blending and colour control should be validated in the final matrix.
FAQ
What is the difference from copper sulfate? Copper citrate is an organic salt with different solubility and taste behaviour.
Do you provide a COA? Yes, with every batch, plus MSDS and heavy metal reports.
Browse our full ingredient catalogue
Aogubio Co., Ltd (Imaherb) is a GMP-certified manufacturer of bulk cosmetic and supplement ingredients. Every batch ships with COA, MSDS and heavy metal test reports.