👉 The term "thiosulfuric" is a chemical compound that has the formula ThO4. It is a highly reactive, colorless, and odorless gas that is used in various industrial processes such as the production of sulfuric acid. Thiosulphuric compounds are also often used to treat water pollution by neutralizing or removing dissolved oxygen from water, which can lead to harmful algal blooms. In addition, they are used in the manufacture of some types of chemical fertil