Thiodiglycolic acid is a corrosive thiodiacetic acid derivative. Its applications include use as an analytical reagent and use in the detection of copper, lead, mercury, and silver.
It finds it applications in the production of [1,4]oxathiane-2,6-dione by heating. It is employed as an anti-oxidant and reducing agent in cosmetics industry. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio.