Sodium sulfate decahydrate, represented as Na2SO4·10H2O, is a crystalline compound that consists of sodium sulfate and ten water molecules. It is commonly known as Glauber's salt and appears as white, odorless crystals. This compound is soluble in water and is often used in various industrial applications, including glass manufacturing and as a drying agent. In nature, Na2SO4·10H2O can be found in mineral deposits and is produced through the evaporation of saline water. It has a variety of uses in the chemical industry, particularly in the production of detergents and in the textile industry for dyeing processes.