... 3, RecommendationCalcium Chloride is a white deliquescentpowder which is soluble in water and ethanol, with melting point at 782 ... sodium chloride. It is also prepared by dissolving calcium carbonate or calcium oxide in hydrochloric acid. It is used chiefly for ... refrigeration systems, tire weighting, concrete acceleration and as a calcium source in chemical processing. 4, Main applications: A: ...