Calcium chloride

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Calcium chloride is an inorganic compound, a salt with the chemical formula CaCl2. The compound is a white crystalline solid at room temperature, and it is highly soluble in water. The salt can be created by neutralising hydrochloric acid with calcium hydroxide. Calcium chloride is commonly encountered as a hydrated solid with generic formula CaCl2·nH2O, where n = 0, 1, 2, 4, and 6. These compounds are mainly used for de-icing and dust control. Because the anhydrous salt is hygroscopic and deliquescent, it is used as a desiccant.

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