Calcium chloride, a salt composed of chlorine and calcium, has the chemical formula CaCl2. Slightly bitter, tasteless. It is a typical ionic halide that is white, hard crumb or granules at room temperature.
Common applications include brines, road melting agents and desiccants for refrigeration equipment. Because it is easily deliquescent in the air, anhydrous calcium chloride must be sealed and stored in the container. Calcium chloride and its hydrates and solutions have important applications in food manufacturing, building materials, medicine and biology.