Calcium sulphate anhydrous is manufactured by Securex Lab Sciences. It is an inorganic compound and is primarily used a desiccant. Calcium sulphate is most widely used for the preparation of gypsum, or plaster of Paris. In the food industry, calcium sulphate is used in the production of tofu, where it is used as a coagulant. It is also a part of the sulphuric acid manufacturing process. In dentistry, the compound is used to make impression material. It is used to make casts to heal bone fractures. The anhydrous calcium sulphate exists in the -anhydrite form. The compound also finds use as a moisture indicator.

• Molecular formula: CaSO₄
• Molecular weight: 136.14 g/mol
• Appearance: White solid
• Odour: Odourless
• Solubility: Limited water solubility
• Quantity: 5 kg/box