Rubidium sulfate is a chemical compound composed of the elements rubidium, sulfur, and oxygen. Its chemical formula is Rb2SO4, indicating that it contains two rubidium ions for every sulfate ion. This compound is typically found as a white crystalline solid and is soluble in water. Rubidium sulfate is primarily used in various applications, including in laboratories for research purposes and in the production of certain types of glass. It can also be utilized in the field of electronics and as a reagent in chemical reactions.