A white deliquescent solid, CaCl2 , used chiefly as a drying agent, antifreeze, and preservative and for controlling dust and ice on roads.
A white, crystalline compound, CaCl2, used as a de-icer, dehydrating agent, etc.
A white crystalline salt that attracts water very strongly. It is used in refrigeration and is spread on roads to melt ice and control dust. Chemical formula: CaCl2.