👉 Sulfur dioxide (SO2) is a chemical compound that consists of two sulfur atoms bonded to one oxygen atom in the form of sulfate. Sulfoxylate, also known as sulfonate, is an organic compound formed when sulfur and oxygen are combined with a sulfoxide group. It has the formula S(O)-SO3-, where S represents sulfur and O represents oxygen. The term "sulfur dioxide" refers to this compound in its pure form.