Additional threats to employees are posed by. the ease with which many corrosive chemicals ignite, explode or react with incompatible substances. In North Carolina, the N.C. Department of Labor enforces the federal Occupational Safety and Health Act through a. state plan approved by the U.S. Department of Labor.
Calcium sulfate (or calcium sulphate) is a common laboratory and industrial chemical. In the form of Î³- anhydrite (the nearly anhydrous form), it is used as a desiccant. It is also used as a coagulant in products like tofu. In the natural state, unrefined calcium sulfate is a translucent, crystalline white rock.
Tetrasodium pyrophosphate is an odorless, white powder or granules. mp: 995Â°C. Density: 2.53 g/cm3. Solubility in water: 3.16 g/100 mL (cold water); 40.26 g/100 mL boiling water. Used as a wool de-fatting agent, in bleaching operations, as a food additive. The related substance tetrasodium pyrophosphate decahydrate (Na4P2O7*10H2O) occurs as colorless transparent crystals. Loses its water when heated to 93.8Â°C.