Calcium Sulfate, having the chemical formula CaSO4-2H2O, is a dihydrate calcium salt. It appears as white or nearly white, odorless, crystalline solid at ambient conditions and is sparingly soluble in water. It is also known as Alabaster, Gypsum, Plaster of Paris, and Karstenite. An ACS Grade reagent is a chemical that meets the purity requirements of the American Chemical Society (ACS). For dependable, consistent, and repeatable findings, ACS Grade reagents can be utilized in high-quality research labs. Moreover, such chemicals can be safely used in food applications, drugs, and medicines. In the United States of America (USA), Lab Alley is selling its high-quality Calcium Sulfate Powder, ACS Grade online at laballey.com. Lab Alley’s Calcium Carbonate, FCC Grade is highly recommended for domestic and industrial applications.