Citric acid diammonium salt is used in pharmaceuticals, rust proofing, cotton printing and plasticizers. It is also used as a reagent for the determination of phosphate in fertilizers, and as a buffering agent, chelating agent and source of nitrogen in chicken food supplements.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.