94% Purity Calcium Chloride Flakes for Railroad Snow Melting Product Description: Calcium chloride anhydrous is deliquescent. The formular is CaC12 , It is formed based on the reaction of calcium carbonate and hydrochloric acid or calcium hydroxide and ammonium chloride. It is widely used in medicine, as an antifreeze, and as a coagulant. Features: 1) Appearance: White powder or pellet 2) Density: 1.086 g/mL at 20 °C 3) PH value (10% solution): 8-10 4) Highly hygroscopic,