CaSO42H2On

CaSO4·2H2O, also known as calcium sulfate dihydrate, is a chemical compound with the formula CaSO4·2H2O. It is a white crystalline solid that is commonly found in nature as the mineral gypsum. CaSO4·2H2O is soluble in water and can be prepared by the reaction of calcium hydroxide with sulfuric acid. It is used in the production of plaster of Paris, which is a powdered form of CaSO4·2H2O that hardens when mixed with water. This property makes it useful in various applications, including construction, medicine, and art. CaSO4·2H2O is also used as a desiccant to remove moisture from the air. It is non-toxic and has a low environmental impact, making it a preferred choice in many industrial and household applications.