What are the main uses of Disodium oxalate (CAS: 62-76-0)?

Disodium oxalate is widely used in industries such as pharmaceuticals, where it serves as a reagent in drug synthesis. It finds applications in wastewater treatment for removing heavy metals, in analytical chemistry for titration, and in the production of dyes and pigments. Additionally, it is used in the manufacturing of textiles and as a component in some food additives, though its use in food is limited due to potential health concerns.