Rb2SO4, or rubidium sulfate, is an inorganic compound composed of rubidium and sulfate ions. It has the chemical formula Rb2SO4, indicating that two rubidium ions (Rb⁺) are paired with one sulfate ion (SO4²⁻). This white, crystalline solid is soluble in water and is often used in various chemical applications. Rubidium sulfate can be produced by reacting rubidium hydroxide or rubidium carbonate with sulfuric acid. It is primarily utilized in laboratories and industrial processes, including the production of specialty glasses and as a reagent in chemical synthesis. Its properties make it valuable in research and development settings.