Calcium Citrate Tribasic Tetrahydrate, commonly known as Tricalcium Citrate, is an organic calcium salt of citric acid. It appears as a white, odorless, free-flowing crystalline powder. The compound is slightly soluble in water and insoluble in alcohol. With a purity of 98%, it is widely used in pharmaceutical, nutraceutical, food, and laboratory applications where a stable and bioavailable source of calcium is required.