Calcium chloride is commonly encountered as a hydrated solid with generic formula CaCl2(H2O)x, where x = 0, 1, 2, 4, and 6.
Chemical Formula: CaCl2`X(H2O)
It is used as a food additive, as an electrolyte, it is used as a buffer in pools, an additive in plastics and in fire extinguishers. It is used as a fabric softener, dust control on roads. Calcium chloride is a soluble compound that can serve as a source of calcium ions in a solution. Calcium plays important roles in many biological processes, including signal transduction, muscle contraction, maintenance of cell membranes and cell wall stability.