Used as a desiccant due to its strong affinity for water, anhydrous calcium sulfate is commonly found in drying tubes and desiccators to maintain dry environments in laboratories. It is also employed in the food industry as a drying agent and stabilizer, approved for use in products like baked goods and flour. In construction, it serves as a key component in plaster and wallboard, providing fire resistance and structural integrity. Additionally, it is used in dentistry and orthopedics as a bone substitute or scaffold material because of its biocompatibility and ability to slowly resorb in the body. Its role as a coagulant in tofu production helps in curdling soy milk, forming firm tofu.